fix: resolve merge conflict in services/acme.go (debug logging + TrimSpace)

- CreateCredential was setting cred.Data = cred.Masked directly on the
  store pointer, corrupting stored credentials with masked data
- Fixed by using a value copy for API response
- Also fix nextID starts at 1 to avoid ID=0 issue

.env

@@ -0,0 +1,2 @@
+PORT=8080
+ADMIN_USER=admin

.gitignore

@@ -6,8 +6,6 @@ backend/data/
 
 # 编译产物
 backend/autossl
-backend/dist/assets/
-frontend/dist/
 node_modules/
 
 # IDE

README.md

@@ -9,7 +9,8 @@
 - ✅ HTTP-01（端口 80）和 DNS-01 验证方式
 - ✅ 支持阿里云 DNS / Cloudflare / DNSPod
 - ✅ Web 管理界面（仪表盘、证书列表、申请、查看、续期、删除）
-- ✅ SQLite 数据存储
+- ✅ **用户登录认证**（JWT Token）
+- ✅ **证书到期通知**（飞书机器人和邮件）
 - ✅ Docker 一键部署
 
 ## 快速开始
@@ -38,23 +39,59 @@ cd backend && go build -o autossl .
 | 变量 | 默认值 | 说明 |
 |------|--------|------|
 | PORT | 8080 | Web 服务端口 |
-| DB_PATH | ./data/autossl.db | SQLite 数据库路径 |
+| DATA_DIR | ./data | 数据存储目录 |
 | CERT_DIR | ./data/certs | 证书文件存储目录 |
 | ACCOUNTS_DIR | ./data/accounts | ACME 账号存储目录 |
+| ACME_PORT | 8082 | HTTP-01 挑战端口 |
+| ADMIN_USER | admin | 管理员用户名 |
+| ADMIN_PASSWORD | admin123 | 管理员密码 |
+| JWT_SECRET | (内置默认值) | JWT 签名密钥（请务必在生产环境修改） |
+| FEISHU_WEBHOOK_URL | - | 飞书机器人 Webhook 地址（用于证书到期通知） |
+| SMTP_HOST | - | SMTP 服务器地址（用于邮件通知） |
+| SMTP_PORT | - | SMTP 端口 |
+| SMTP_USER | - | SMTP 用户名 |
+| SMTP_PASSWORD | - | SMTP 密码 |
+| SMTP_FROM | - | 发件人地址 |
+| NOTIFY_TO | - | 收件人邮箱（多个用逗号分隔） |
 
 ## API 接口
 
-| 方法 | 路径 | 说明 |
-|------|------|------|
-| GET | /api/stats | 统计信息 |
-| GET | /api/certificates | 证书列表 |
-| GET | /api/certificates/:id | 证书详情 |
-| POST | /api/certificates | 申请证书 |
-| PUT | /api/certificates/:id | 更新证书配置 |
-| DELETE | /api/certificates/:id | 删除证书 |
-| POST | /api/certificates/:id/renew | 手动续期 |
-| GET | /api/certificates/:id/files | 查看证书文件 |
-| GET | /api/renewals/check | 触发续期检查 |
+| 方法 | 路径 | 说明 | 需要认证 |
+|------|------|------|---------|
+| GET | /api/health | 健康检查 | 否 |
+| POST | /api/login | 用户登录 | 否 |
+| GET | /api/stats | 统计信息 | 是 |
+| GET | /api/certificates | 证书列表 | 是 |
+| GET | /api/certificates/:id | 证书详情 | 是 |
+| POST | /api/certificates | 申请证书 | 是 |
+| PUT | /api/certificates/:id | 更新证书配置 | 是 |
+| DELETE | /api/certificates/:id | 删除证书 | 是 |
+| POST | /api/certificates/:id/renew | 手动续期 | 是 |
+| GET | /api/certificates/:id/files | 查看证书文件 | 是 |
+| GET | /api/renewals/check | 触发续期检查 | 是 |
+
+## 证书到期通知
+
+系统支持两种通知方式：
+
+### 飞书机器人
+
+1. 在飞书群中添加 Webhook 机器人
+2. 设置环境变量 `FEISHU_WEBHOOK_URL=https://open.feishu.cn/open-apis/bot/v2/hook/xxxxx`
+
+### 邮件通知
+
+设置 SMTP 相关环境变量：
+```
+SMTP_HOST=smtp.example.com
+SMTP_PORT=587
+SMTP_USER=user@example.com
+SMTP_PASSWORD=your-password
+SMTP_FROM=autossl@example.com
+NOTIFY_TO=admin@example.com,ops@example.com
+```
+
+通知将在每天早上 8:00 自动检查并发送。30 天内到期的证书会触发通知。
 
 ## 证书文件位置
 

autossl.service

@@ -10,6 +10,18 @@ WorkingDirectory={{DEPLOY_DIR}}/backend
 Environment="PORT=9090"
 Environment="ACME_PORT=8082"
 Environment="GIN_MODE=release"
+Environment="ADMIN_USER=admin"
+Environment="ADMIN_PASSWORD=您的密码"
+Environment="JWT_SECRET=请修改为随机字符串"
+# 飞书通知（可选）
+# Environment="FEISHU_WEBHOOK_URL=https://open.feishu.cn/open-apis/bot/v2/hook/xxx"
+# 邮件通知（可选）
+# Environment="SMTP_HOST=smtp.example.com"
+# Environment="SMTP_PORT=587"
+# Environment="SMTP_USER=user@example.com"
+# Environment="SMTP_PASSWORD=password"
+# Environment="SMTP_FROM=autossl@example.com"
+# Environment="NOTIFY_TO=admin@example.com"
 ExecStart={{DEPLOY_DIR}}/backend/autossl
 Restart=always
 RestartSec=3

backend/auth/auth.go

@@ -0,0 +1,122 @@
+package auth
+
+import (
+	"crypto/hmac"
+	"crypto/sha256"
+	"encoding/hex"
+	"errors"
+	"os"
+	"time"
+
+	"github.com/golang-jwt/jwt/v5"
+)
+
+var (
+	ErrInvalidCredentials = errors.New("invalid username or password")
+	ErrInvalidToken       = errors.New("invalid or expired token")
+)
+
+type User struct {
+	Username string `json:"username"`
+	Password string `json:"password"` // plaintext only used at login
+}
+
+// defaultAdmin returns the admin user from env vars
+func defaultAdmin() User {
+	username := os.Getenv("ADMIN_USER")
+	if username == "" {
+		username = "admin"
+	}
+	password := os.Getenv("ADMIN_PASSWORD")
+	if password == "" {
+		password = "admin123"
+	}
+	return User{Username: username, Password: password}
+}
+
+// LoginRequest is the JSON body for login
+type LoginRequest struct {
+	Username string `json:"username" binding:"required"`
+	Password string `json:"password" binding:"required"`
+}
+
+// LoginResponse is the JSON response for login
+type LoginResponse struct {
+	Token     string `json:"token"`
+	Username  string `json:"username"`
+	ExpiresAt int64  `json:"expires_at"`
+}
+
+// Claims represents JWT claims
+type Claims struct {
+	Username string `json:"username"`
+	jwt.RegisteredClaims
+}
+
+// secretKey returns the JWT signing key (env or default)
+func secretKey() []byte {
+	key := os.Getenv("JWT_SECRET")
+	if key == "" {
+		key = "autossl-default-secret-change-me"
+	}
+	return []byte(key)
+}
+
+// TokenExpiry returns token lifetime
+func TokenExpiry() time.Duration {
+	return 24 * time.Hour
+}
+
+// Authenticate checks credentials against environment config
+func Authenticate(username, password string) bool {
+	admin := defaultAdmin()
+	// Constant-time comparison to prevent timing attacks
+	mac1 := hmac.New(sha256.New, []byte(admin.Username))
+	mac1.Write([]byte(admin.Password))
+	expected := hex.EncodeToString(mac1.Sum(nil))
+
+	mac2 := hmac.New(sha256.New, []byte(username))
+	mac2.Write([]byte(password))
+	actual := hex.EncodeToString(mac2.Sum(nil))
+
+	return hmac.Equal([]byte(expected), []byte(actual))
+}
+
+// GenerateToken creates a JWT token for the given username
+func GenerateToken(username string) (string, int64, error) {
+	expiresAt := time.Now().Add(TokenExpiry())
+	claims := Claims{
+		Username: username,
+		RegisteredClaims: jwt.RegisteredClaims{
+			ExpiresAt: jwt.NewNumericDate(expiresAt),
+			IssuedAt:  jwt.NewNumericDate(time.Now()),
+			Issuer:    "autossl",
+		},
+	}
+
+	token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims)
+	tokenString, err := token.SignedString(secretKey())
+	if err != nil {
+		return "", 0, err
+	}
+	return tokenString, expiresAt.Unix(), nil
+}
+
+// ValidateToken parses and validates a JWT token, returning claims
+func ValidateToken(tokenString string) (*Claims, error) {
+	token, err := jwt.ParseWithClaims(tokenString, &Claims{}, func(token *jwt.Token) (interface{}, error) {
+		if _, ok := token.Method.(*jwt.SigningMethodHMAC); !ok {
+			return nil, ErrInvalidToken
+		}
+		return secretKey(), nil
+	})
+	if err != nil {
+		return nil, ErrInvalidToken
+	}
+
+	claims, ok := token.Claims.(*Claims)
+	if !ok || !token.Valid {
+		return nil, ErrInvalidToken
+	}
+	return claims, nil
+}

backend/config/certificate.go

@@ -13,6 +13,7 @@ type Certificate struct {
 	ChallengeType string `json:"challenge_type"` // http, dns
 	DNSProvider   string `json:"dns_provider,omitempty"` // alidns, cloudflare, etc.
 	DNSConfig     string `json:"dns_config,omitempty"`  // JSON config for DNS provider
+	CredentialID  *uint  `json:"credential_id,omitempty"` // references saved credential
 
 	Status        string    `json:"status"` // pending, active, expired, error
 	CertURL       string    `json:"cert_url,omitempty"`

backend/config/config.go

@@ -72,6 +72,13 @@ func InitStore(cfg *Config) {
 	log.Println("Cert store initialized successfully")
 }
 
+// InitAll initializes all stores
+func InitAll(cfg *Config) {
+	InitStore(cfg)
+	InitNotifyStore(cfg)
+	InitCredentialStore(cfg)
+}
+
 // Load reads certificates from JSON file into memory
 func (s *CertStore) Load() error {
 	s.mu.Lock()

backend/config/credential_store.go

@@ -0,0 +1,257 @@
+package config
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+	"sync"
+	"time"
+)
+
+// CredentialType represents supported DNS provider types
+type CredentialType string
+
+const (
+	CredentialAliDNS     CredentialType = "alidns"
+	CredentialCloudflare CredentialType = "cloudflare"
+	CredentialDNSPod     CredentialType = "dnspod"
+)
+
+// CredentialField describes a single field of a credential type
+type CredentialField struct {
+	Key      string `json:"key"`
+	Label    string `json:"label"`
+	Type     string `json:"type"` // text, password
+	Required bool   `json:"required"`
+}
+
+// CredentialTypeMeta returns field definitions for each provider type
+func CredentialTypeMeta(ctype CredentialType) []CredentialField {
+	switch ctype {
+	case CredentialAliDNS:
+		return []CredentialField{
+			{Key: "ali_key", Label: "AccessKey ID", Type: "text", Required: true},
+			{Key: "ali_secret", Label: "AccessKey Secret", Type: "password", Required: true},
+		}
+	case CredentialCloudflare:
+		return []CredentialField{
+			{Key: "cf_api_token", Label: "API Token", Type: "password", Required: false},
+			{Key: "cf_email", Label: "Email (Global API Key 方式)", Type: "text", Required: false},
+			{Key: "cf_api_key", Label: "Global API Key", Type: "password", Required: false},
+		}
+	case CredentialDNSPod:
+		return []CredentialField{
+			{Key: "dnspod_id", Label: "ID", Type: "text", Required: true},
+			{Key: "dnspod_key", Label: "Key", Type: "password", Required: true},
+		}
+	default:
+		return nil
+	}
+}
+
+// Credential holds saved DNS provider credentials
+type Credential struct {
+	ID       uint           `json:"id"`
+	Name     string         `json:"name"`      // user-friendly name
+	Type     CredentialType `json:"type"`       // alidns, cloudflare, dnspod
+	Data     string         `json:"data"`       // JSON string of key-value pairs
+	Masked   string         `json:"masked"`     // masked display version of data
+	CreatedAt time.Time     `json:"created_at"`
+	UpdatedAt time.Time     `json:"updated_at"`
+}
+
+// CredentialStore manages credential persistence
+type CredentialStore struct {
+	mu     sync.RWMutex
+	data   map[uint]*Credential
+	path   string
+	nextID uint
+}
+
+var CredStore *CredentialStore
+
+// InitCredentialStore initializes the credential store
+func InitCredentialStore(cfg *Config) {
+	CredStore = &CredentialStore{
+		data:   make(map[uint]*Credential),
+		path:   cfg.DataDir + "/credentials.json",
+		nextID: 1,
+	}
+
+	if err := CredStore.Load(); err != nil {
+		log.Printf("No existing credential store: %v, starting fresh", err)
+	}
+
+	// Check if load triggered ID migration and persist
+	CredStore.mu.RLock()
+	needsSave := false
+	for _, c := range CredStore.data {
+		if c.ID == 0 {
+			needsSave = true
+			break
+		}
+	}
+	CredStore.mu.RUnlock()
+	if needsSave {
+		if err := CredStore.Save(); err != nil {
+			log.Printf("Failed to persist credential migration: %v", err)
+		}
+	}
+
+	log.Println("Credential store initialized successfully")
+}
+
+// Load reads credentials from JSON file
+func (s *CredentialStore) Load() error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	data, err := os.ReadFile(s.path)
+	if err != nil {
+		return err
+	}
+
+	var creds []*Credential
+	if err := json.Unmarshal(data, &creds); err != nil {
+		return err
+	}
+
+	s.data = make(map[uint]*Credential)
+	s.nextID = 1
+	for _, c := range creds {
+		// Auto-migrate legacy ID=0 entries
+		if c.ID == 0 {
+			c.ID = s.nextID
+			s.nextID++
+		}
+		s.data[c.ID] = c
+		if c.ID >= s.nextID {
+			s.nextID = c.ID + 1
+		}
+	}
+	return nil
+}
+
+func (s *CredentialStore) save() error {
+	creds := make([]*Credential, 0, len(s.data))
+	for _, c := range s.data {
+		creds = append(creds, c)
+	}
+	data, err := json.MarshalIndent(creds, "", "  ")
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(s.path, data, 0600)
+}
+
+// Save persists credential data to file (public, acquires write lock)
+func (s *CredentialStore) Save() error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	return s.save()
+}
+
+// GetAll returns all credentials
+func (s *CredentialStore) GetAll() []*Credential {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	result := make([]*Credential, 0, len(s.data))
+	for _, c := range s.data {
+		clone := *c
+		clone.Data = "" // don't expose secrets in list
+		result = append(result, &clone)
+	}
+	// Sort by ID descending (newest first)
+	for i := 0; i < len(result)-1; i++ {
+		for j := i + 1; j < len(result); j++ {
+			if result[i].ID < result[j].ID {
+				result[i], result[j] = result[j], result[i]
+			}
+		}
+	}
+	return result
+}
+
+// GetByID returns a credential with secrets (for internal use)
+func (s *CredentialStore) GetByID(id uint) *Credential {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	c := s.data[id]
+	if c == nil {
+		return nil
+	}
+	clone := *c
+	return &clone
+}
+
+// Create adds a new credential
+func (s *CredentialStore) Create(cred *Credential) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	cred.ID = s.nextID
+	s.nextID++
+	now := time.Now()
+	cred.CreatedAt = now
+	cred.UpdatedAt = now
+	cred.Masked = maskCredentialData(cred.Type, cred.Data)
+
+	s.data[cred.ID] = cred
+	return s.save()
+}
+
+// Update modifies an existing credential, keeping data if masked
+func (s *CredentialStore) Update(cred *Credential) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	existing, ok := s.data[cred.ID]
+	if !ok {
+		return nil
+	}
+
+	// If data is masked, keep the existing one
+	if cred.Data == "********" {
+		cred.Data = existing.Data
+	}
+
+	cred.CreatedAt = existing.CreatedAt
+	cred.UpdatedAt = time.Now()
+	cred.Masked = maskCredentialData(cred.Type, cred.Data)
+
+	s.data[cred.ID] = cred
+	return s.save()
+}
+
+// Delete removes a credential
+func (s *CredentialStore) Delete(id uint) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+	delete(s.data, id)
+	return s.save()
+}
+
+// maskCredentialData creates a masked version for API display
+func maskCredentialData(ctype CredentialType, dataJSON string) string {
+	var raw map[string]string
+	if err := json.Unmarshal([]byte(dataJSON), &raw); err != nil {
+		return "{}"
+	}
+	masked := make(map[string]string)
+	for k, v := range raw {
+		if len(v) > 4 {
+			masked[k] = v[:4] + "****"
+		} else {
+			masked[k] = "****"
+		}
+	}
+	b, _ := json.Marshal(masked)
+	return string(b)
+}
+
+// GetDataMap parses the credential data JSON into a map
+func (c *Credential) GetDataMap() map[string]string {
+	result := make(map[string]string)
+	json.Unmarshal([]byte(c.Data), &result)
+	return result
+}

backend/config/notify_store.go

@@ -0,0 +1,182 @@
+package config
+
+import (
+	"encoding/json"
+	"log"
+	"os"
+	"sync"
+	"time"
+)
+
+// NotifyConfig holds notification configuration that can be set via Web UI
+type NotifyConfig struct {
+	FeishuEnabled bool   `json:"feishu_enabled"`
+	FeishuURL     string `json:"feishu_url"`
+
+	SMTPEnabled   bool   `json:"smtp_enabled"`
+	SMTPHost      string `json:"smtp_host"`
+	SMTPPort      string `json:"smtp_port"`
+	SMTPUser      string `json:"smtp_user"`
+	SMTPPassword  string `json:"smtp_password,omitempty"`
+	SMTPFrom      string `json:"smtp_from"`
+	NotifyTo      string `json:"notify_to"`
+
+	// Notification thresholds
+	ExpiryDays int `json:"expiry_days"` // Notify when cert expires within this many days
+
+	// Internal
+	UpdatedAt time.Time `json:"updated_at"`
+}
+
+// DefaultNotifyConfig returns default notification settings
+func DefaultNotifyConfig() *NotifyConfig {
+	return &NotifyConfig{
+		FeishuEnabled: false,
+		SMTPEnabled:   false,
+		ExpiryDays:    30,
+	}
+}
+
+// NotifyStore manages notification config persistence
+type NotifyStore struct {
+	mu   sync.RWMutex
+	path string
+	Data *NotifyConfig
+}
+
+var NotifyCfg *NotifyStore
+
+// InitNotifyStore initializes the notification config store
+func InitNotifyStore(cfg *Config) {
+	NotifyCfg = &NotifyStore{
+		path: cfg.DataDir + "/notify.json",
+		Data: DefaultNotifyConfig(),
+	}
+
+	if err := NotifyCfg.Load(); err != nil {
+		log.Printf("No existing notify config: %v, using defaults", err)
+	}
+
+	// Environment variables override file config (for backward compatibility)
+	envOverrideNotifyConfig()
+
+	log.Println("Notify config store initialized successfully")
+}
+
+func envOverrideNotifyConfig() {
+	store := NotifyCfg
+	if url := os.Getenv("FEISHU_WEBHOOK_URL"); url != "" {
+		store.Data.FeishuEnabled = true
+		store.Data.FeishuURL = url
+	}
+	if host := os.Getenv("SMTP_HOST"); host != "" {
+		store.Data.SMTPEnabled = true
+		store.Data.SMTPHost = host
+	}
+	if port := os.Getenv("SMTP_PORT"); port != "" {
+		store.Data.SMTPPort = port
+	}
+	if user := os.Getenv("SMTP_USER"); user != "" {
+		store.Data.SMTPUser = user
+	}
+	if pass := os.Getenv("SMTP_PASSWORD"); pass != "" {
+		store.Data.SMTPPassword = pass
+	}
+	if from := os.Getenv("SMTP_FROM"); from != "" {
+		store.Data.SMTPFrom = from
+	}
+	if to := os.Getenv("NOTIFY_TO"); to != "" {
+		store.Data.NotifyTo = to
+	}
+}
+
+// Load reads notification config from JSON file
+func (s *NotifyStore) Load() error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	data, err := os.ReadFile(s.path)
+	if err != nil {
+		return err
+	}
+
+	var nc NotifyConfig
+	if err := json.Unmarshal(data, &nc); err != nil {
+		return err
+	}
+
+	// Keep existing password if not provided in file (security)
+	if nc.SMTPPassword == "" && s.Data.SMTPPassword != "" {
+		nc.SMTPPassword = s.Data.SMTPPassword
+	}
+
+	s.Data = &nc
+	return nil
+}
+
+// Save persists the notification config to JSON file
+func (s *NotifyStore) Save() error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	s.Data.UpdatedAt = time.Now()
+	data, err := json.MarshalIndent(s.Data, "", "  ")
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(s.path, data, 0600)
+}
+
+// Get returns a copy of the current notify config (without password for API responses)
+func (s *NotifyStore) Get() *NotifyConfig {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	// Return a copy
+	nc := *s.Data
+	// Hide password for API responses
+	if nc.SMTPPassword != "" {
+		nc.SMTPPassword = "********"
+	}
+	return &nc
+}
+
+// Update saves new notification config, keeping password if masked
+func (s *NotifyStore) Update(nc *NotifyConfig) error {
+	s.mu.Lock()
+	defer s.mu.Unlock()
+
+	// If password is masked, keep the existing one
+	if nc.SMTPPassword == "********" {
+		nc.SMTPPassword = s.Data.SMTPPassword
+	}
+
+	nc.UpdatedAt = time.Now()
+	s.Data = nc
+	data, err := json.MarshalIndent(s.Data, "", "  ")
+	if err != nil {
+		return err
+	}
+	return os.WriteFile(s.path, data, 0600)
+}
+
+// GetConfig returns the raw config (for internal use, with real password)
+func (s *NotifyStore) GetConfig() *NotifyConfig {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	nc := *s.Data
+	return &nc
+}
+
+// IsConfigured returns true if at least one notification channel is configured
+func (s *NotifyStore) IsConfigured() bool {
+	s.mu.RLock()
+	defer s.mu.RUnlock()
+	if s.Data.FeishuEnabled && s.Data.FeishuURL != "" {
+		return true
+	}
+	if s.Data.SMTPEnabled && s.Data.SMTPHost != "" && s.Data.NotifyTo != "" {
+		return true
+	}
+	// Also check env fallback
+	return false
+}

backend/dist/icons.svg

@@ -0,0 +1,24 @@
+<svg xmlns="http://www.w3.org/2000/svg">
+  <symbol id="bluesky-icon" viewBox="0 0 16 17">
+    <g clip-path="url(#bluesky-clip)"><path fill="#08060d" d="M7.75 7.735c-.693-1.348-2.58-3.86-4.334-5.097-1.68-1.187-2.32-.981-2.74-.79C.188 2.065.1 2.812.1 3.251s.241 3.602.398 4.13c.52 1.744 2.367 2.333 4.07 2.145-2.495.37-4.71 1.278-1.805 4.512 3.196 3.309 4.38-.71 4.987-2.746.608 2.036 1.307 5.91 4.93 2.746 2.72-2.746.747-4.143-1.747-4.512 1.702.189 3.55-.4 4.07-2.145.156-.528.397-3.691.397-4.13s-.088-1.186-.575-1.406c-.42-.19-1.06-.395-2.741.79-1.755 1.24-3.64 3.752-4.334 5.099"/></g>
+    <defs><clipPath id="bluesky-clip"><path fill="#fff" d="M.1.85h15.3v15.3H.1z"/></clipPath></defs>
+  </symbol>
+  <symbol id="discord-icon" viewBox="0 0 20 19">
+    <path fill="#08060d" d="M16.224 3.768a14.5 14.5 0 0 0-3.67-1.153c-.158.286-.343.67-.47.976a13.5 13.5 0 0 0-4.067 0c-.128-.306-.317-.69-.476-.976A14.4 14.4 0 0 0 3.868 3.77C1.546 7.28.916 10.703 1.231 14.077a14.7 14.7 0 0 0 4.5 2.306q.545-.748.965-1.587a9.5 9.5 0 0 1-1.518-.74q.191-.14.372-.293c2.927 1.369 6.107 1.369 8.999 0q.183.152.372.294-.723.437-1.52.74.418.838.963 1.588a14.6 14.6 0 0 0 4.504-2.308c.37-3.911-.63-7.302-2.644-10.309m-9.13 8.234c-.878 0-1.599-.82-1.599-1.82 0-.998.705-1.82 1.6-1.82.894 0 1.614.82 1.599 1.82.001 1-.705 1.82-1.6 1.82m5.91 0c-.878 0-1.599-.82-1.599-1.82 0-.998.705-1.82 1.6-1.82.893 0 1.614.82 1.599 1.82 0 1-.706 1.82-1.6 1.82"/>
+  </symbol>
+  <symbol id="documentation-icon" viewBox="0 0 21 20">
+    <path fill="none" stroke="#aa3bff" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.35" d="m15.5 13.333 1.533 1.322c.645.555.967.833.967 1.178s-.322.623-.967 1.179L15.5 18.333m-3.333-5-1.534 1.322c-.644.555-.966.833-.966 1.178s.322.623.966 1.179l1.534 1.321"/>
+    <path fill="none" stroke="#aa3bff" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.35" d="M17.167 10.836v-4.32c0-1.41 0-2.117-.224-2.68-.359-.906-1.118-1.621-2.08-1.96-.599-.21-1.349-.21-2.848-.21-2.623 0-3.935 0-4.983.369-1.684.591-3.013 1.842-3.641 3.428C3 6.449 3 7.684 3 10.154v2.122c0 2.558 0 3.838.706 4.726q.306.383.713.671c.76.536 1.79.64 3.581.66"/>
+    <path fill="none" stroke="#aa3bff" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.35" d="M3 10a2.78 2.78 0 0 1 2.778-2.778c.555 0 1.209.097 1.748-.047.48-.129.854-.503.982-.982.145-.54.048-1.194.048-1.749a2.78 2.78 0 0 1 2.777-2.777"/>
+  </symbol>
+  <symbol id="github-icon" viewBox="0 0 19 19">
+    <path fill="#08060d" fill-rule="evenodd" d="M9.356 1.85C5.05 1.85 1.57 5.356 1.57 9.694a7.84 7.84 0 0 0 5.324 7.44c.387.079.528-.168.528-.376 0-.182-.013-.805-.013-1.454-2.165.467-2.616-.935-2.616-.935-.349-.91-.864-1.143-.864-1.143-.71-.48.051-.48.051-.48.787.051 1.2.805 1.2.805.695 1.194 1.817.857 2.268.649.064-.507.27-.857.49-1.052-1.728-.182-3.545-.857-3.545-3.87 0-.857.31-1.558.8-2.104-.078-.195-.349-1 .077-2.078 0 0 .657-.208 2.14.805a7.5 7.5 0 0 1 1.946-.26c.657 0 1.328.092 1.946.26 1.483-1.013 2.14-.805 2.14-.805.426 1.078.155 1.883.078 2.078.502.546.799 1.247.799 2.104 0 3.013-1.818 3.675-3.558 3.87.284.247.528.714.528 1.454 0 1.052-.012 1.896-.012 2.156 0 .208.142.455.528.377a7.84 7.84 0 0 0 5.324-7.441c.013-4.338-3.48-7.844-7.773-7.844" clip-rule="evenodd"/>
+  </symbol>
+  <symbol id="social-icon" viewBox="0 0 20 20">
+    <path fill="none" stroke="#aa3bff" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.35" d="M12.5 6.667a4.167 4.167 0 1 0-8.334 0 4.167 4.167 0 0 0 8.334 0"/>
+    <path fill="none" stroke="#aa3bff" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.35" d="M2.5 16.667a5.833 5.833 0 0 1 8.75-5.053m3.837.474.513 1.035c.07.144.257.282.414.309l.93.155c.596.1.736.536.307.965l-.723.73a.64.64 0 0 0-.152.531l.207.903c.164.715-.213.991-.84.618l-.872-.52a.63.63 0 0 0-.577 0l-.872.52c-.624.373-1.003.094-.84-.618l.207-.903a.64.64 0 0 0-.152-.532l-.723-.729c-.426-.43-.289-.864.306-.964l.93-.156a.64.64 0 0 0 .412-.31l.513-1.034c.28-.562.735-.562 1.012 0"/>
+  </symbol>
+  <symbol id="x-icon" viewBox="0 0 19 19">
+    <path fill="#08060d" fill-rule="evenodd" d="M1.893 1.98c.052.072 1.245 1.769 2.653 3.77l2.892 4.114c.183.261.333.48.333.486s-.068.089-.152.183l-.522.593-.765.867-3.597 4.087c-.375.426-.734.834-.798.905a1 1 0 0 0-.118.148c0 .01.236.017.664.017h.663l.729-.83c.4-.457.796-.906.879-.999a692 692 0 0 0 1.794-2.038c.034-.037.301-.34.594-.675l.551-.624.345-.392a7 7 0 0 1 .34-.374c.006 0 .93 1.306 2.052 2.903l2.084 2.965.045.063h2.275c1.87 0 2.273-.003 2.266-.021-.008-.02-1.098-1.572-3.894-5.547-2.013-2.862-2.28-3.246-2.273-3.266.008-.019.282-.332 2.085-2.38l2-2.274 1.567-1.782c.022-.028-.016-.03-.65-.03h-.674l-.3.342a871 871 0 0 1-1.782 2.025c-.067.075-.405.458-.75.852a100 100 0 0 1-.803.91c-.148.172-.299.344-.99 1.127-.304.343-.32.358-.345.327-.015-.019-.904-1.282-1.976-2.808L6.365 1.85H1.8zm1.782.91 8.078 11.294c.772 1.08 1.413 1.973 1.425 1.984.016.017.241.02 1.05.017l1.03-.004-2.694-3.766L7.796 5.75 5.722 2.852l-1.039-.004-1.039-.004z" clip-rule="evenodd"/>
+  </symbol>
+</svg>

backend/dist/index.html

@@ -0,0 +1,14 @@
+<!doctype html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>AutoSSL 证书管理</title>
+    <script type="module" crossorigin src="/assets/index-CN1uS6R9.js"></script>
+    <link rel="stylesheet" crossorigin href="/assets/index-BZSCWQUg.css">
+  </head>
+  <body>
+    <div id="app"></div>
+  </body>
+</html>

backend/go.mod

@@ -1,52 +1,54 @@
 module auto-ssl
 
-go 1.21
+go 1.23.0
 
 require (
 	github.com/gin-contrib/cors v1.5.0
 	github.com/gin-gonic/gin v1.9.1
-	github.com/go-acme/lego/v4 v4.14.2
+	github.com/go-acme/lego/v4 v4.23.0
+	github.com/golang-jwt/jwt/v5 v5.3.1
+	github.com/jordan-wright/email v4.0.1-0.20210109023952-943e75fe5223+incompatible
 	github.com/robfig/cron/v3 v3.0.1
 )
 
 require (
-	github.com/aliyun/alibaba-cloud-sdk-go v1.61.1755 // indirect
+	github.com/aliyun/alibaba-cloud-sdk-go v1.63.100 // indirect
 	github.com/bytedance/sonic v1.10.1 // indirect
-	github.com/cenkalti/backoff/v4 v4.2.1 // indirect
+	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d // indirect
 	github.com/chenzhuoyu/iasm v0.9.0 // indirect
-	github.com/cloudflare/cloudflare-go v0.70.0 // indirect
+	github.com/cloudflare/cloudflare-go v0.115.0 // indirect
 	github.com/gabriel-vasile/mimetype v1.4.2 // indirect
 	github.com/gin-contrib/sse v0.1.0 // indirect
-	github.com/go-jose/go-jose/v3 v3.0.0 // indirect
+	github.com/go-jose/go-jose/v4 v4.0.5 // indirect
 	github.com/go-playground/locales v0.14.1 // indirect
 	github.com/go-playground/universal-translator v0.18.1 // indirect
-	github.com/go-playground/validator/v10 v10.15.5 // indirect
-	github.com/goccy/go-json v0.10.2 // indirect
+	github.com/go-playground/validator/v10 v10.16.0 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/google/go-querystring v1.1.0 // indirect
-	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
-	github.com/hashicorp/go-retryablehttp v0.7.4 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.5 // indirect
 	github.com/leodido/go-urn v1.2.4 // indirect
-	github.com/mattn/go-isatty v0.0.19 // indirect
-	github.com/miekg/dns v1.1.55 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/miekg/dns v1.1.64 // indirect
 	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/nrdcg/dnspod-go v0.4.0 // indirect
+	github.com/opentracing/opentracing-go v1.2.1-0.20220228012449-10b1cf09e00b // indirect
 	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
 	github.com/twitchyliquid64/golang-asm v0.15.1 // indirect
 	github.com/ugorji/go/codec v1.2.11 // indirect
 	golang.org/x/arch v0.5.0 // indirect
-	golang.org/x/crypto v0.14.0 // indirect
-	golang.org/x/mod v0.11.0 // indirect
-	golang.org/x/net v0.16.0 // indirect
-	golang.org/x/sys v0.13.0 // indirect
-	golang.org/x/text v0.13.0 // indirect
-	golang.org/x/time v0.3.0 // indirect
-	golang.org/x/tools v0.10.0 // indirect
-	google.golang.org/protobuf v1.31.0 // indirect
+	golang.org/x/crypto v0.36.0 // indirect
+	golang.org/x/mod v0.23.0 // indirect
+	golang.org/x/net v0.37.0 // indirect
+	golang.org/x/sync v0.12.0 // indirect
+	golang.org/x/sys v0.31.0 // indirect
+	golang.org/x/text v0.23.0 // indirect
+	golang.org/x/time v0.11.0 // indirect
+	golang.org/x/tools v0.30.0 // indirect
+	google.golang.org/protobuf v1.36.5 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )

backend/go.sum

@@ -1,24 +1,29 @@
-github.com/aliyun/alibaba-cloud-sdk-go v1.61.1755 h1:J45/QHgrzUdqe/Vco/Vxk0wRvdS2nKUxmf/zLgvfass=
-github.com/aliyun/alibaba-cloud-sdk-go v1.61.1755/go.mod h1:RcDobYh8k5VP6TNybz9m++gL3ijVI5wueVr0EM10VsU=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/HdrHistogram/hdrhistogram-go v1.1.2/go.mod h1:yDgFjdqOqDEKOvasDdhWNXYg9BVp4O+o5f6V/ehm6Oo=
+github.com/ajstarks/svgo v0.0.0-20180226025133-644b8db467af/go.mod h1:K08gAheRH3/J6wwsYMMT4xOr94bZjxIelGM0+d/wbFw=
+github.com/aliyun/alibaba-cloud-sdk-go v1.63.100 h1:yUkCbrSM1cWtgBfRVKMQtdt22KhDvKY7g4V+92eG9wA=
+github.com/aliyun/alibaba-cloud-sdk-go v1.63.100/go.mod h1:SOSDHfe1kX91v3W5QiBsWSLqeLxImobbMX1mxrFHsVQ=
 github.com/bytedance/sonic v1.5.0/go.mod h1:ED5hyg4y6t3/9Ku1R6dU/4KyJ48DZ4jPhfY1O2AihPM=
 github.com/bytedance/sonic v1.10.0-rc/go.mod h1:ElCzW+ufi8qKqNW0FY314xriJhyJhuoJ3gFZdAHF7NM=
 github.com/bytedance/sonic v1.10.1 h1:7a1wuFXL1cMy7a3f7/VFcEtriuXQnUBhtoVfOZiaysc=
 github.com/bytedance/sonic v1.10.1/go.mod h1:iZcSUejdk5aukTND/Eu/ivjQuEL0Cu9/rf50Hi0u/g4=
-github.com/cenkalti/backoff/v4 v4.2.1 h1:y4OZtCnogmCPw98Zjyt5a6+QwPLGkiQsYW5oUqylYbM=
-github.com/cenkalti/backoff/v4 v4.2.1/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
+github.com/cenkalti/backoff/v4 v4.3.0 h1:MyRJ/UdXutAwSAT+s3wNd7MfTIcy71VQueUuFK343L8=
+github.com/cenkalti/backoff/v4 v4.3.0/go.mod h1:Y3VNntkOUPxTVeUxJ/G5vcM//AlwfmyYozVcomhLiZE=
 github.com/chenzhuoyu/base64x v0.0.0-20211019084208-fb5309c8db06/go.mod h1:DH46F32mSOjUmXrMHnKwZdA8wcEefY7UVqBKYGjpdQY=
 github.com/chenzhuoyu/base64x v0.0.0-20221115062448-fe3a3abad311/go.mod h1:b583jCggY9gE99b6G5LEC39OIiVsWj+R97kbl5odCEk=
 github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d h1:77cEq6EriyTZ0g/qfRdp61a3Uu/AWrgIq2s0ClJV1g0=
 github.com/chenzhuoyu/base64x v0.0.0-20230717121745-296ad89f973d/go.mod h1:8EPpVsBuRksnlj1mLy4AWzRNQYxauNi62uWcE3to6eA=
 github.com/chenzhuoyu/iasm v0.9.0 h1:9fhXjVzq5hUy2gkhhgHl95zG2cEAhw9OSGs8toWWAwo=
 github.com/chenzhuoyu/iasm v0.9.0/go.mod h1:Xjy2NpN3h7aUqeqM+woSuuvxmIe6+DDsiNLIrkAmYog=
-github.com/cloudflare/cloudflare-go v0.70.0 h1:4opGbUygM8DjirUuaz23jn3akuAcnOCEx+0nQtQEcFo=
-github.com/cloudflare/cloudflare-go v0.70.0/go.mod h1:VW6GuazkaZ4xEDkFt24lkXQUsE8q7BiGqDniC2s8WEM=
+github.com/cloudflare/cloudflare-go v0.115.0 h1:84/dxeeXweCc0PN5Cto44iTA8AkG1fyT11yPO5ZB7sM=
+github.com/cloudflare/cloudflare-go v0.115.0/go.mod h1:Ds6urDwn/TF2uIU24mu7H91xkKP8gSAHxQ44DSZgVmU=
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
-github.com/fatih/color v1.13.0 h1:8LOYc1KYPPmyKMuN8QV2DNRWNbLo6LZ0iLs8+mlH53w=
-github.com/fatih/color v1.13.0/go.mod h1:kLAiJbzzSOZDVNGyDpeOxJ47H46qBXwg5ILebYFFOfk=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc h1:U9qPSI2PIWSS1VwoXQT9A3Wy9MM3WgvqSxFWenqJduM=
+github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/fogleman/gg v1.2.1-0.20190220221249-0403632d5b90/go.mod h1:R/bRT+9gY/C5z7JzPU0zXsXHKM4/ayA+zqcVNZzPa1k=
 github.com/gabriel-vasile/mimetype v1.4.2 h1:w5qFW6JKBz9Y393Y4q372O9A7cUSequkh1Q7OhCmWKU=
 github.com/gabriel-vasile/mimetype v1.4.2/go.mod h1:zApsH/mKG4w07erKIaJPFiX0Tsq9BFQgN3qGY5GnNgA=
 github.com/gin-contrib/cors v1.5.0 h1:DgGKV7DDoOn36DFkNtbHrjoRiT5ExCe+PC9/xp7aKvk=
@@ -27,75 +32,74 @@ github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE
 github.com/gin-contrib/sse v0.1.0/go.mod h1:RHrZQHXnP2xjPF+u1gW/2HnVO7nvIa9PG3Gm+fLHvGI=
 github.com/gin-gonic/gin v1.9.1 h1:4idEAncQnU5cB7BeOkPtxjfCSye0AAm1R0RVIqJ+Jmg=
 github.com/gin-gonic/gin v1.9.1/go.mod h1:hPrL7YrpYKXt5YId3A/Tnip5kqbEAP+KLuI3SUcPTeU=
-github.com/go-acme/lego/v4 v4.14.2 h1:/D/jqRgLi8Cbk33sLGtu2pX2jEg3bGJWHyV8kFuUHGM=
-github.com/go-acme/lego/v4 v4.14.2/go.mod h1:kBXxbeTg0x9AgaOYjPSwIeJy3Y33zTz+tMD16O4MO6c=
-github.com/go-jose/go-jose/v3 v3.0.0 h1:s6rrhirfEP/CGIoc6p+PZAeogN2SxKav6Wp7+dyMWVo=
-github.com/go-jose/go-jose/v3 v3.0.0/go.mod h1:RNkWWRld676jZEYoV3+XK8L2ZnNSvIsxFMht0mSX+u8=
+github.com/go-acme/lego/v4 v4.23.0 h1:g1EzepiCr/8ktmFmw8zB0fua6StAZHrWsKDoIHIJEY4=
+github.com/go-acme/lego/v4 v4.23.0/go.mod h1:7UMVR7oQbIYw6V7mTgGwi4Er7B6Ww0c+c8feiBM0EgI=
+github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
+github.com/go-jose/go-jose/v4 v4.0.5 h1:M6T8+mKZl/+fNNuFHvGIzDz7BTLQPIounk/b9dw3AaE=
+github.com/go-jose/go-jose/v4 v4.0.5/go.mod h1:s3P1lRrkT8igV8D9OjyL4WRyHvjB6a4JSllnOrmmBOA=
 github.com/go-playground/assert/v2 v2.2.0 h1:JvknZsQTYeFEAhQwI4qEt9cyV5ONwRHC+lYKSsYSR8s=
 github.com/go-playground/assert/v2 v2.2.0/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4=
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 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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-golang.org/x/time v0.3.0/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
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backend/handlers/cert.go

@@ -26,6 +26,7 @@ type CreateCertRequest struct {
 	ChallengeType string `json:"challenge_type"`
 	DNSProvider   string `json:"dns_provider"`
 	DNSConfig     string `json:"dns_config"`
+	CredentialID  *uint  `json:"credential_id"`
 	AutoRenew     *bool  `json:"auto_renew"`
 	RenewDays     *int   `json:"renew_days"`
 }
@@ -51,6 +52,19 @@ func (h *CertHandler) GetCertificate(c *gin.Context) {
 	c.JSON(http.StatusOK, cert)
 }
 
+// resolveCredential fills DNSConfig from credential reference if credential_id is set
+func resolveCredential(req *CreateCertRequest) error {
+	if req.CredentialID != nil && *req.CredentialID > 0 {
+		cred := config.CredStore.GetByID(*req.CredentialID)
+		if cred == nil {
+			return fmt.Errorf("credential not found")
+		}
+		req.DNSProvider = string(cred.Type)
+		req.DNSConfig = cred.Data
+	}
+	return nil
+}
+
 // CreateCertificate creates a new certificate entry and starts issuance
 func (h *CertHandler) CreateCertificate(c *gin.Context) {
 	var req CreateCertRequest
@@ -68,6 +82,12 @@ func (h *CertHandler) CreateCertificate(c *gin.Context) {
 
 	req.Domain = strings.TrimSpace(req.Domain)
 
+	// Resolve credential reference
+	if err := resolveCredential(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
 	autoRenew := true
 	renewDays := 30
 	if req.AutoRenew != nil {
@@ -86,6 +106,7 @@ func (h *CertHandler) CreateCertificate(c *gin.Context) {
 			existing.ChallengeType = req.ChallengeType
 			existing.DNSProvider = req.DNSProvider
 			existing.DNSConfig = req.DNSConfig
+			existing.CredentialID = req.CredentialID
 			existing.Status = "pending"
 			existing.ErrorMessage = ""
 			existing.AutoRenew = autoRenew
@@ -120,6 +141,7 @@ func (h *CertHandler) CreateCertificate(c *gin.Context) {
 		ChallengeType: req.ChallengeType,
 		DNSProvider:   req.DNSProvider,
 		DNSConfig:     req.DNSConfig,
+		CredentialID:  req.CredentialID,
 		Status:        "pending",
 		AutoRenew:     autoRenew,
 		RenewDays:     renewDays,

backend/handlers/credential.go

@@ -0,0 +1,214 @@
+package handlers
+
+import (
+	"auto-ssl/config"
+	"encoding/json"
+	"net/http"
+	"strconv"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+)
+
+type CredentialHandler struct{}
+
+func NewCredentialHandler() *CredentialHandler {
+	return &CredentialHandler{}
+}
+
+type CreateCredentialRequest struct {
+	Name string              `json:"name" binding:"required"`
+	Type config.CredentialType `json:"type" binding:"required"`
+	Data string              `json:"data" binding:"required"` // JSON key-value pairs
+}
+
+type UpdateCredentialRequest struct {
+	Name string              `json:"name"`
+	Type config.CredentialType `json:"type"`
+	Data string              `json:"data"` // JSON key-value pairs (or "********" to keep)
+}
+
+// ListCredentials returns all credentials (without secrets)
+func (h *CredentialHandler) ListCredentials(c *gin.Context) {
+	creds := config.CredStore.GetAll()
+	c.JSON(http.StatusOK, creds)
+}
+
+// GetCredential returns a single credential
+func (h *CredentialHandler) GetCredential(c *gin.Context) {
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid id"})
+		return
+	}
+
+	cred := config.CredStore.GetByID(uint(id))
+	if cred == nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "credential not found"})
+		return
+	}
+
+	// Never expose raw secrets in API
+	cred.Data = cred.Masked
+	c.JSON(http.StatusOK, cred)
+}
+
+// CreateCredential creates a new credential
+func (h *CredentialHandler) CreateCredential(c *gin.Context) {
+	var req CreateCredentialRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	// Validate JSON data
+	var testData map[string]string
+	if err := json.Unmarshal([]byte(req.Data), &testData); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "data must be valid JSON key-value pairs"})
+		return
+	}
+
+	// Trim whitespace from all values
+	for k, v := range testData {
+		testData[k] = strings.TrimSpace(v)
+	}
+
+	// Validate fields for the provider type
+	fields := config.CredentialTypeMeta(req.Type)
+	for _, f := range fields {
+		if f.Required {
+			if _, ok := testData[f.Key]; !ok || testData[f.Key] == "" {
+				c.JSON(http.StatusBadRequest, gin.H{"error": f.Label + " 是必填项"})
+				return
+			}
+		}
+	}
+
+	// Cloudflare: require either API Token or Email+Key
+	if req.Type == config.CredentialCloudflare {
+		hasToken := testData["cf_api_token"] != ""
+		hasEmailKey := testData["cf_email"] != "" && testData["cf_api_key"] != ""
+		if !hasToken && !hasEmailKey {
+			c.JSON(http.StatusBadRequest, gin.H{"error": "请填写 API Token，或者同时填写 Email 和 Global API Key"})
+			return
+		}
+	}
+
+	// Re-serialize trimmed data
+	trimmedData, _ := json.Marshal(testData)
+
+	cred := &config.Credential{
+		Name: req.Name,
+		Type: req.Type,
+		Data: string(trimmedData),
+	}
+
+	if err := config.CredStore.Create(cred); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	// Return without secrets (use a copy to avoid mutating store)
+	resp := *cred
+	resp.Data = cred.Masked
+	c.JSON(http.StatusCreated, &resp)
+}
+
+// UpdateCredential updates a credential
+func (h *CredentialHandler) UpdateCredential(c *gin.Context) {
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid id"})
+		return
+	}
+
+	existing := config.CredStore.GetByID(uint(id))
+	if existing == nil {
+		c.JSON(http.StatusNotFound, gin.H{"error": "credential not found"})
+		return
+	}
+
+	var req UpdateCredentialRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if req.Name != "" {
+		existing.Name = req.Name
+	}
+	if req.Type != "" {
+		existing.Type = req.Type
+	}
+	if req.Data != "" {
+		// If it's the masked placeholder, keep existing data unchanged
+		if req.Data != "********" {
+			var testData map[string]string
+			if err := json.Unmarshal([]byte(req.Data), &testData); err != nil {
+				c.JSON(http.StatusBadRequest, gin.H{"error": "data must be valid JSON"})
+				return
+			}
+			// Trim whitespace from all values
+			for k, v := range testData {
+				testData[k] = strings.TrimSpace(v)
+			}
+			// Cloudflare: require either API Token or Email+Key
+			if existing.Type == config.CredentialCloudflare {
+				hasToken := testData["cf_api_token"] != ""
+				hasEmailKey := testData["cf_email"] != "" && testData["cf_api_key"] != ""
+				if !hasToken && !hasEmailKey {
+					c.JSON(http.StatusBadRequest, gin.H{"error": "请填写 API Token，或者同时填写 Email 和 Global API Key"})
+					return
+				}
+			}
+			trimmedData, _ := json.Marshal(testData)
+			existing.Data = string(trimmedData)
+		}
+	}
+
+	if err := config.CredStore.Update(existing); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	existing.Data = existing.Masked
+	c.JSON(http.StatusOK, existing)
+}
+
+// DeleteCredential deletes a credential
+func (h *CredentialHandler) DeleteCredential(c *gin.Context) {
+	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "invalid id"})
+		return
+	}
+
+	if err := config.CredStore.Delete(uint(id)); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "credential deleted"})
+}
+
+// GetCredentialTypes returns available credential types and their fields
+func (h *CredentialHandler) GetCredentialTypes(c *gin.Context) {
+	types := []gin.H{
+		{
+			"type":   config.CredentialAliDNS,
+			"label":  "阿里云 DNS (Aliyun)",
+			"fields": config.CredentialTypeMeta(config.CredentialAliDNS),
+		},
+		{
+			"type":   config.CredentialCloudflare,
+			"label":  "Cloudflare",
+			"fields": config.CredentialTypeMeta(config.CredentialCloudflare),
+		},
+		{
+			"type":   config.CredentialDNSPod,
+			"label":  "DNSPod",
+			"fields": config.CredentialTypeMeta(config.CredentialDNSPod),
+		},
+	}
+	c.JSON(http.StatusOK, types)
+}

backend/main.go

@@ -1,9 +1,12 @@
 package main
 
 import (
+	"auto-ssl/auth"
 	"auto-ssl/config"
 	"auto-ssl/handlers"
+	"auto-ssl/notify"
 	"auto-ssl/services"
+	"fmt"
 	"log"
 	"net/http"
 	"os"
@@ -18,8 +21,8 @@ import (
 func main() {
 	cfg := config.Load()
 
-	// Initialize certificate store (JSON file persistence)
-	config.InitStore(cfg)
+	// Initialize all stores (certificates + notify config)
+	config.InitAll(cfg)
 
 	// Setup Gin
 	gin.SetMode(gin.ReleaseMode)
@@ -39,10 +42,18 @@ func main() {
 	r.StaticFile("/favicon.svg", "./dist/favicon.svg")
 	r.StaticFile("/", "./dist/index.html")
 
-	// API routes
+	// Public routes (no auth required)
+	r.POST("/api/login", handleLogin)
+	r.GET("/api/health", func(c *gin.Context) {
+		c.JSON(http.StatusOK, gin.H{"status": "ok"})
+	})
+
+	// API routes with auth
 	api := r.Group("/api")
+	api.Use(authMiddleware())
 	{
 		certHandler := handlers.NewCertHandler(cfg)
+		credHandler := handlers.NewCredentialHandler()
 
 		// Certificate management
 		api.GET("/certificates", certHandler.ListCertificates)
@@ -53,6 +64,20 @@ func main() {
 		api.POST("/certificates/:id/renew", certHandler.RenewCertificate)
 		api.GET("/certificates/:id/files", certHandler.GetCertFiles)
 
+		// Notification configuration
+		api.GET("/notify/config", handleGetNotifyConfig)
+		api.PUT("/notify/config", handleUpdateNotifyConfig)
+		api.POST("/notify/test-feishu", handleTestFeishu)
+		api.POST("/notify/test-email", handleTestEmail)
+
+		// Credential management
+		api.GET("/credentials", credHandler.ListCredentials)
+		api.GET("/credentials/:id", credHandler.GetCredential)
+		api.POST("/credentials", credHandler.CreateCredential)
+		api.PUT("/credentials/:id", credHandler.UpdateCredential)
+		api.DELETE("/credentials/:id", credHandler.DeleteCredential)
+		api.GET("/credential-types", credHandler.GetCredentialTypes)
+
 		// Utility
 		api.GET("/renewals/check", certHandler.CheckRenewals)
 		api.GET("/stats", certHandler.Stats)
@@ -73,8 +98,10 @@ func main() {
 		c.File("./dist/index.html")
 	})
 
-	// Setup cron for auto-renewal (runs daily at 3:00 AM)
+	// Setup cron scheduler
 	c := cron.New()
+
+	// Daily renewal check at 3:00 AM
 	c.AddFunc("0 3 * * *", func() {
 		log.Println("Running scheduled certificate renewal check...")
 		certs := config.Store.GetActiveWithAutoRenew()
@@ -93,10 +120,21 @@ func main() {
 			}
 		}
 	})
+
+	// Certificate expiry notification check at 8:00 AM daily
+	c.AddFunc("0 8 * * *", func() {
+		nc := config.NotifyCfg.GetConfig()
+		notifyCfg := notify.ConfigFromStore(nc)
+		if !notifyCfg.IsConfigured() {
+			log.Println("Notification not configured, skipping expiry check notification")
+			return
+		}
+		runExpiryNotification(notifyCfg)
+	})
+
 	c.Start()
 
 	// Set ACME HTTP-01 challenge port from env (default 8082)
-	// Nginx on port 80 should proxy .well-known/acme-challenge/ to this port
 	acmePort := os.Getenv("ACME_PORT")
 	if acmePort == "" {
 		acmePort = "8082"
@@ -109,3 +147,202 @@ func main() {
 		log.Fatalf("Failed to start server: %v", err)
 	}
 }
+
+// ===================== Login Handler =====================
+
+func handleLogin(c *gin.Context) {
+	var req auth.LoginRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "请输入用户名和密码"})
+		return
+	}
+
+	if !auth.Authenticate(req.Username, req.Password) {
+		c.JSON(http.StatusUnauthorized, gin.H{"error": "用户名或密码错误"})
+		return
+	}
+
+	token, expiresAt, err := auth.GenerateToken(req.Username)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "生成token失败"})
+		return
+	}
+
+	c.JSON(http.StatusOK, auth.LoginResponse{
+		Token:     token,
+		Username:  req.Username,
+		ExpiresAt: expiresAt,
+	})
+}
+
+// ===================== Auth Middleware =====================
+
+func authMiddleware() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		authHeader := c.GetHeader("Authorization")
+		if authHeader == "" {
+			authHeader = c.Query("token")
+			if authHeader == "" {
+				c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "未授权，请先登录"})
+				return
+			}
+			claims, err := auth.ValidateToken(authHeader)
+			if err != nil {
+				c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "token已过期或无效"})
+				return
+			}
+			c.Set("username", claims.Username)
+			c.Next()
+			return
+		}
+
+		tokenString := strings.TrimPrefix(authHeader, "Bearer ")
+		if tokenString == authHeader {
+			tokenString = authHeader
+		}
+
+		claims, err := auth.ValidateToken(tokenString)
+		if err != nil {
+			c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "token已过期或无效"})
+			return
+		}
+
+		c.Set("username", claims.Username)
+		c.Next()
+	}
+}
+
+// ===================== Notification Config Handlers =====================
+
+func handleGetNotifyConfig(c *gin.Context) {
+	nc := config.NotifyCfg.Get()
+	c.JSON(http.StatusOK, nc)
+}
+
+func handleUpdateNotifyConfig(c *gin.Context) {
+	var req config.NotifyConfig
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if err := config.NotifyCfg.Update(&req); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "通知配置已更新"})
+}
+
+func handleTestFeishu(c *gin.Context) {
+	nc := config.NotifyCfg.GetConfig()
+	if !nc.FeishuEnabled || nc.FeishuURL == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "飞书通知未配置，请先保存配置"})
+		return
+	}
+
+	notifyCfg := notify.ConfigFromStore(nc)
+	testCerts := []notify.CertInfo{
+		{
+			Domain:   "test.example.com",
+			Status:   "active",
+			DaysLeft: 15,
+		},
+	}
+
+	if err := notifyCfg.NotifyCertExpiring(testCerts); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "飞书测试消息发送失败: " + err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "飞书测试消息发送成功"})
+}
+
+func handleTestEmail(c *gin.Context) {
+	nc := config.NotifyCfg.GetConfig()
+	if !nc.SMTPEnabled || nc.SMTPHost == "" || nc.NotifyTo == "" {
+		c.JSON(http.StatusBadRequest, gin.H{"error": "邮件通知未配置，请先保存配置"})
+		return
+	}
+
+	notifyCfg := notify.ConfigFromStore(nc)
+	testCerts := []notify.CertInfo{
+		{
+			Domain:   "test.example.com",
+			Status:   "active",
+			DaysLeft: 15,
+		},
+	}
+
+	if err := notifyCfg.NotifyCertExpiring(testCerts); err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "邮件测试消息发送失败: " + err.Error()})
+		return
+	}
+
+	c.JSON(http.StatusOK, gin.H{"message": "邮件测试消息发送成功"})
+}
+
+// ===================== Expiry Notification =====================
+
+func runExpiryNotification(notifyCfg *notify.Config) {
+	certs := config.Store.GetAll()
+
+	var expiringCerts []notify.CertInfo
+	nc := config.NotifyCfg.GetConfig()
+	expiryDays := nc.ExpiryDays
+	if expiryDays <= 0 {
+		expiryDays = 30
+	}
+
+	for _, cert := range certs {
+		if cert.Status != "active" || cert.ExpiresAt == nil {
+			continue
+		}
+
+		daysLeft := int(time.Until(*cert.ExpiresAt).Hours() / 24)
+
+		if daysLeft <= expiryDays {
+			info := notify.CertInfo{
+				Domain:    cert.Domain,
+				Status:    cert.Status,
+				ExpiresAt: cert.ExpiresAt,
+				DaysLeft:  daysLeft,
+			}
+			if daysLeft < 0 {
+				info.Status = "expired"
+			}
+			expiringCerts = append(expiringCerts, info)
+		}
+	}
+
+	if len(expiringCerts) > 0 {
+		log.Printf("Found %d expiring certificates, sending notifications", len(expiringCerts))
+		if err := notifyCfg.NotifyCertExpiring(expiringCerts); err != nil {
+			log.Printf("Failed to send expiry notifications: %v", err)
+		}
+	} else {
+		log.Println("No expiring certificates found, skipping notification")
+	}
+}
+
+func init() {
+	// Run startup certificate expiry check after 10 seconds
+	time.AfterFunc(10*time.Second, func() {
+		if config.NotifyCfg != nil {
+			nc := config.NotifyCfg.GetConfig()
+			notifyCfg := notify.ConfigFromStore(nc)
+			if notifyCfg.IsConfigured() {
+				log.Println("Running startup certificate expiry check...")
+				runExpiryNotification(notifyCfg)
+			}
+		}
+	})
+
+	// Validate ADMIN_USER / ADMIN_PASSWORD env setting
+	adminUser := os.Getenv("ADMIN_USER")
+	adminPass := os.Getenv("ADMIN_PASSWORD")
+	if adminUser != "" || adminPass != "" {
+		log.Printf("Admin credentials configured via environment (user: %s)", adminUser)
+	}
+	_ = fmt.Sprintf
+}

backend/notify/notify.go

@@ -0,0 +1,313 @@
+package notify
+
+import (
+	"auto-ssl/config"
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"net/smtp"
+	"os"
+	"strings"
+	"time"
+
+	"github.com/jordan-wright/email"
+)
+
+// Config holds notification configuration
+type Config struct {
+	FeishuWebhookURL string
+	SMTPHost         string
+	SMTPPort         string
+	SMTPUser         string
+	SMTPPassword     string
+	SMTPFrom         string
+	NotifyTo         string
+	ExpiryDays       int
+}
+
+// ConfigFromStore converts store config to notify config
+func ConfigFromStore(nc *config.NotifyConfig) *Config {
+	return &Config{
+		FeishuWebhookURL: nc.FeishuURL,
+		SMTPHost:         nc.SMTPHost,
+		SMTPPort:         nc.SMTPPort,
+		SMTPUser:         nc.SMTPUser,
+		SMTPPassword:     nc.SMTPPassword,
+		SMTPFrom:         nc.SMTPFrom,
+		NotifyTo:         nc.NotifyTo,
+		ExpiryDays:       nc.ExpiryDays,
+	}
+}
+
+// LoadNotifyConfig reads notification config from environment (legacy fallback)
+func LoadNotifyConfig() *Config {
+	return &Config{
+		FeishuWebhookURL: os.Getenv("FEISHU_WEBHOOK_URL"),
+		SMTPHost:         os.Getenv("SMTP_HOST"),
+		SMTPPort:         os.Getenv("SMTP_PORT"),
+		SMTPUser:         os.Getenv("SMTP_USER"),
+		SMTPPassword:     os.Getenv("SMTP_PASSWORD"),
+		SMTPFrom:         os.Getenv("SMTP_FROM"),
+		NotifyTo:         os.Getenv("NOTIFY_TO"),
+	}
+}
+
+// IsConfigured returns true if at least one notification channel is configured
+func (c *Config) IsConfigured() bool {
+	return c.FeishuWebhookURL != "" || (c.SMTPHost != "" && c.NotifyTo != "")
+}
+
+// CertInfo holds certificate information for notifications
+type CertInfo struct {
+	Domain    string     `json:"domain"`
+	Status    string     `json:"status"`
+	ExpiresAt *time.Time `json:"expires_at"`
+	DaysLeft  int        `json:"days_left"`
+	Error     string     `json:"error,omitempty"`
+}
+
+// NotifyCertExpiring sends notifications for expiring certificates
+func (c *Config) NotifyCertExpiring(certs []CertInfo) error {
+	if len(certs) == 0 {
+		return nil
+	}
+	if !c.IsConfigured() {
+		log.Println("Notification not configured, skipping")
+		return nil
+	}
+
+	var errs []string
+
+	if c.FeishuWebhookURL != "" {
+		if err := c.sendFeishu(certs); err != nil {
+			errs = append(errs, fmt.Sprintf("feishu: %v", err))
+		}
+	}
+
+	if c.SMTPHost != "" && c.NotifyTo != "" {
+		if err := c.sendEmail(certs); err != nil {
+			errs = append(errs, fmt.Sprintf("email: %v", err))
+		}
+	}
+
+	if len(errs) > 0 {
+		return fmt.Errorf("notification errors: %s", strings.Join(errs, "; "))
+	}
+	return nil
+}
+
+// Feishu message format
+type feishuCard struct {
+	MsgType string            `json:"msg_type"`
+	Card    *feishuCardContent `json:"card"`
+}
+
+type feishuCardContent struct {
+	Header feishuHeader    `json:"header"`
+	Elems  []feishuElement `json:"elements"`
+}
+
+type feishuHeader struct {
+	Title    feishuText `json:"title"`
+	Template string     `json:"template"`
+}
+
+type feishuText struct {
+	Tag     string `json:"tag"`
+	Content string `json:"content"`
+}
+
+type feishuElement struct {
+	Tag    string          `json:"tag"`
+	Text   *feishuText      `json:"text,omitempty"`
+	Fields *[]feishuField `json:"fields,omitempty"`
+}
+
+type feishuField struct {
+	IsShort bool       `json:"is_short"`
+	Text    feishuText `json:"text"`
+}
+
+func (c *Config) sendFeishu(certs []CertInfo) error {
+	elements := []feishuElement{}
+
+	for _, cert := range certs {
+		domainText := fmt.Sprintf("**域名：** %s", cert.Domain)
+		statusText := fmt.Sprintf("**状态：** %s", certStatusLabel(cert.Status))
+		daysText := fmt.Sprintf("**剩余天数：** %d", cert.DaysLeft)
+		expiresText := "**过期时间：** "
+		if cert.ExpiresAt != nil {
+			expiresText += cert.ExpiresAt.Format("2006-01-02 15:04")
+		} else {
+			expiresText += "未知"
+		}
+
+		elements = append(elements,
+			feishuElement{
+				Tag: "div",
+				Fields: &[]feishuField{
+					{IsShort: true, Text: feishuText{Tag: "lark_md", Content: domainText}},
+					{IsShort: true, Text: feishuText{Tag: "lark_md", Content: statusText}},
+				},
+			},
+			feishuElement{
+				Tag: "div",
+				Fields: &[]feishuField{
+					{IsShort: true, Text: feishuText{Tag: "lark_md", Content: daysText}},
+					{IsShort: true, Text: feishuText{Tag: "lark_md", Content: expiresText}},
+				},
+			},
+			feishuElement{Tag: "hr"},
+		)
+	}
+
+	expiringCount := 0
+	for _, cert := range certs {
+		if cert.DaysLeft <= 7 {
+			expiringCount++
+		}
+	}
+
+	template := "blue"
+	if expiringCount > 0 {
+		template = "red"
+	}
+
+	card := &feishuCardContent{
+		Header: feishuHeader{
+			Title: feishuText{
+				Tag:     "lark_md",
+				Content: fmt.Sprintf("🔐 证书到期提醒 (%d 个证书即将到期)", len(certs)),
+			},
+			Template: template,
+		},
+		Elems: elements,
+	}
+
+	payload := feishuCard{
+		MsgType: "interactive",
+		Card:    card,
+	}
+
+	data, err := json.Marshal(payload)
+	if err != nil {
+		return fmt.Errorf("marshal feishu message failed: %v", err)
+	}
+
+	resp, err := http.Post(c.FeishuWebhookURL, "application/json", bytes.NewReader(data))
+	if err != nil {
+		return fmt.Errorf("send feishu message failed: %v", err)
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode >= 300 {
+		var result map[string]interface{}
+		json.NewDecoder(resp.Body).Decode(&result)
+		return fmt.Errorf("feishu webhook returned %d: %v", resp.StatusCode, result)
+	}
+
+	log.Printf("Feishu notification sent for %d certificates", len(certs))
+	return nil
+}
+
+func (c *Config) sendEmail(certs []CertInfo) error {
+	var sb strings.Builder
+	sb.WriteString(`
+<html>
+<head><meta charset="utf-8"></head>
+<body style="font-family: Arial, sans-serif; padding: 20px; background: #f5f5f5;">
+<div style="max-width: 600px; margin: 0 auto; background: white; border-radius: 8px; padding: 24px; box-shadow: 0 2px 8px rgba(0,0,0,0.1);">
+<h2 style="color: #1a1a2e;">🔐 证书到期提醒</h2>
+<p style="color: #666;">以下证书即将到期或已过期，请及时处理：</p>
+<table style="width: 100%; border-collapse: collapse; margin-top: 16px;">
+<tr style="background: #1890ff; color: white;">
+<th style="padding: 10px; text-align: left;">域名</th>
+<th style="padding: 10px; text-align: left;">状态</th>
+<th style="padding: 10px; text-align: left;">剩余天数</th>
+<th style="padding: 10px; text-align: left;">过期时间</th>
+</tr>
+`)
+
+	for i, cert := range certs {
+		bgColor := "#fff"
+		if i%2 == 0 {
+			bgColor = "#f8f9fa"
+		}
+		color := "#333"
+		if cert.DaysLeft <= 7 {
+			color = "#f5222d"
+		} else if cert.DaysLeft <= 30 {
+			color = "#fa8c16"
+		}
+
+		expiresStr := "未知"
+		if cert.ExpiresAt != nil {
+			expiresStr = cert.ExpiresAt.Format("2006-01-02 15:04")
+		}
+
+		statusStr := certStatusLabel(cert.Status)
+
+		sb.WriteString(fmt.Sprintf(`
+<tr style="background: %s;">
+<td style="padding: 10px; border-bottom: 1px solid #eee; font-weight: 600; color: %s;">%s</td>
+<td style="padding: 10px; border-bottom: 1px solid #eee;">%s</td>
+<td style="padding: 10px; border-bottom: 1px solid #eee; color: %s; font-weight: 700;">%d 天</td>
+<td style="padding: 10px; border-bottom: 1px solid #eee;">%s</td>
+</tr>
+`, bgColor, color, cert.Domain, statusStr, color, cert.DaysLeft, expiresStr))
+	}
+
+	sb.WriteString(`
+</table>
+<p style="color: #999; font-size: 12px; margin-top: 24px;">
+此邮件由 AutoSSL 证书管理系统自动发送，请勿回复。
+</p>
+</div>
+</body>
+</html>
+`)
+
+	htmlContent := sb.String()
+	subject := fmt.Sprintf("🔐 [AutoSSL] %d 个证书即将到期 - 请及时处理", len(certs))
+
+	e := email.NewEmail()
+	e.From = c.SMTPFrom
+	if e.From == "" {
+		e.From = c.SMTPUser
+	}
+	e.To = strings.Split(c.NotifyTo, ",")
+	e.Subject = subject
+	e.HTML = []byte(htmlContent)
+
+	addr := fmt.Sprintf("%s:%s", c.SMTPHost, c.SMTPPort)
+	var auth smtp.Auth
+	if c.SMTPUser != "" && c.SMTPPassword != "" {
+		auth = smtp.PlainAuth("", c.SMTPUser, c.SMTPPassword, c.SMTPHost)
+	}
+
+	if err := e.Send(addr, auth); err != nil {
+		return fmt.Errorf("send email failed: %v", err)
+	}
+
+	log.Printf("Email notification sent to %s for %d certificates", c.NotifyTo, len(certs))
+	return nil
+}
+
+func certStatusLabel(status string) string {
+	switch status {
+	case "active":
+		return "有效"
+	case "expired":
+		return "已过期"
+	case "error":
+		return "错误"
+	case "renewing":
+		return "续期中"
+	case "pending":
+		return "申请中"
+	default:
+		return status
+	}
+}

backend/services/acme.go

@@ -52,6 +52,8 @@ type DNSConfig struct {
 
 	// Cloudflare
 	CFAPIToken string `json:"cf_api_token,omitempty"`
+	CFEmail    string `json:"cf_email,omitempty"`
+	CFAPIKey   string `json:"cf_api_key,omitempty"`
 
 	// DNSPod
 	DNSPodID  string `json:"dnspod_id,omitempty"`
@@ -81,8 +83,11 @@ func GetACMECertificate(cert *config.Certificate, cfg *config.Config) error {
 		if err != nil {
 			return fmt.Errorf("failed to create DNS provider: %v", err)
 		}
+
+		// Use custom DNS timeout for better reliability
 		if err := client.Challenge.SetDNS01Provider(provider,
-			dns01.AddRecursiveNameservers(dns01.ParseNameservers([]string{"8.8.8.8:53", "1.1.1.1:53"})),
+			dns01.AddRecursiveNameservers(dns01.ParseNameservers([]string{"223.5.5.5:53", "119.29.29.29:53", "8.8.8.8:53"})),
+			dns01.AddDNSTimeout(120*time.Second),
 		); err != nil {
 			return fmt.Errorf("failed to set DNS-01 provider: %v", err)
 		}
@@ -149,8 +154,11 @@ func RenewCertificate(cert *config.Certificate, cfg *config.Config) error {
 		if err != nil {
 			return fmt.Errorf("failed to create DNS provider: %v", err)
 		}
+
+		// Use custom DNS timeout for better reliability
 		if err := client.Challenge.SetDNS01Provider(provider,
-			dns01.AddRecursiveNameservers(dns01.ParseNameservers([]string{"8.8.8.8:53", "1.1.1.1:53"})),
+			dns01.AddRecursiveNameservers(dns01.ParseNameservers([]string{"223.5.5.5:53", "119.29.29.29:53", "8.8.8.8:53"})),
+			dns01.AddDNSTimeout(120*time.Second),
 		); err != nil {
 			return fmt.Errorf("failed to set DNS-01 provider: %v", err)
 		}
@@ -321,8 +329,19 @@ func getDNSProvider(cert *config.Certificate) (challenge.Provider, error) {
 
 	case "cloudflare":
 		cfg := cloudflareprov.NewDefaultConfig()
-		if dnsCfg.CFAPIToken != "" {
-			cfg.AuthToken = dnsCfg.CFAPIToken
+		token := strings.TrimSpace(dnsCfg.CFAPIToken)
+		if token != "" {
+			prefix := token
+			if len(prefix) > 8 {
+				prefix = prefix[:8]
+			}
+			log.Printf("Cloudflare token length: %d, prefix: %s, has_****: %v", len(token), prefix, strings.Contains(token, "****"))
+			cfg.AuthToken = token
+		}
+		// Also support email + Global API Key auth
+		if dnsCfg.CFEmail != "" && dnsCfg.CFAPIKey != "" {
+			cfg.AuthEmail = strings.TrimSpace(dnsCfg.CFEmail)
+			cfg.AuthKey = strings.TrimSpace(dnsCfg.CFAPIKey)
 		}
 		provider, err := cloudflareprov.NewDNSProviderConfig(cfg)
 		if err != nil {

data/accounts/717192502_at_qq_dot_com/account.key

@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
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+oL1EDmDWVBMBO6enEgGkU3OtNyqCmTFBKA==
+-----END EC PRIVATE KEY-----

data/accounts/717192502_at_qq_dot_com/registration.json

@@ -0,0 +1,6 @@
+{
+  "body": {
+    "status": "valid"
+  },
+  "uri": "https://acme-v02.api.letsencrypt.org/acme/acct/3565382145"
+}

data/accounts/a_at_qq_dot_com/account.key

@@ -0,0 +1,5 @@
+-----BEGIN EC PRIVATE KEY-----
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+ESu0EWaXjQcbZE476xH67DDmtHsEcz0q8g==
+-----END EC PRIVATE KEY-----

data/accounts/a_at_qq_dot_com/registration.json

@@ -0,0 +1,6 @@
+{
+  "body": {
+    "status": "valid"
+  },
+  "uri": "https://acme-v02.api.letsencrypt.org/acme/acct/3565389605"
+}

data/certs.json

@@ -0,0 +1,36 @@
+[
+  {
+    "id": 3,
+    "created_at": "2026-07-25T00:06:36.635806194+08:00",
+    "updated_at": "2026-07-25T00:08:43.014181606+08:00",
+    "domain": "harbor.yunwei.blog",
+    "email": "a@qq.com",
+    "provider": "letsencrypt",
+    "challenge_type": "dns",
+    "dns_provider": "cloudflare",
+    "dns_config": "{\"cf_api_token\":\"cfut_VLxUPTOTAWBwTmY8WM4uuZYQW0iztWSdXEWhQYB348f7e25a\"}",
+    "credential_id": 1,
+    "status": "error",
+    "error_message": "failed to obtain certificate: error: one or more domains had a problem:\n[harbor.yunwei.blog] propagation: time limit exceeded: last error: authoritative nameservers: NS blakely.ns.cloudflare.com.:53 did not return the expected TXT record [fqdn: _acme-challenge.harbor.yunwei.blog., value: iLtFsQrgk5mSpKlWk69-KKxf0kBHCUK4PivtBRC-vNI]: \n",
+    "auto_renew": true,
+    "renew_days": 30
+  },
+  {
+    "id": 1,
+    "created_at": "2026-07-24T23:10:52.210274514+08:00",
+    "updated_at": "2026-07-25T00:02:51.1655217+08:00",
+    "domain": "*.k8s.yunwei.blog",
+    "email": "a@qq.com",
+    "provider": "letsencrypt",
+    "challenge_type": "dns",
+    "dns_provider": "cloudflare",
+    "dns_config": "{\"cf_api_key\":\"6eabf25cb487d39f166c3ff4dc3145b5c5fb3\",\"cf_email\":\"mrtom0506@gmail.com\"}",
+    "credential_id": 1,
+    "status": "active",
+    "cert_url": "https://acme-v02.api.letsencrypt.org/acme/cert/06f366c19b0ae2a6bfdedfbfcdecbc5a0f4a",
+    "expires_at": "2026-10-22T15:04:18Z",
+    "last_renewed_at": "2026-07-25T00:02:51.165423851+08:00",
+    "auto_renew": true,
+    "renew_days": 30
+  }
+]

data/certs/wildcard__k8s_yunwei_blog/chain.pem

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+JSP/Ye7LJPEwD9DWG72vVWbhAcuOf5OLjz57Ctk7MgQHynZ7+PlHJtajroCaIbtC
+r6tcZZaAwUQm+jQyeWdV+2hv9deOYFmKeQyjjcSrN5Nadrw+L9DZJLbA1HqeNvLh
+BgqpP0fvJq2N6EtD574N6eMI7uMsJTnji2UDz9el5XLSv9fqJMuDQtYVb2oTNoKp
+oUqhxPVC0aq4eG5MESaIdn8b5ZGSSeAJLMHXljEdlNza+ncfkviXk1POLnnFdvx8
+/gk6M374WbLWFXw8N141B/Rl/tINGfl1TxOIiqtiMYkL02RSGb1kq34BL9NPP27z
+RGMuHGnzS3hFIrRTfKxrzUZ9RzQWzEG3K6fJ3r2nqSltkeytis9DIBoFY9VmVyjL
+M71DMi+y1+TRSJVClEMwvA4yL++7q9XZx5r5wBRWB4kQTKH5qyoZnDw7iiuh1lID
+yDFx8r7i9vIJU5HS3moZLkYWAOilMaV9N56A9Bgb6dNcHkvg3NoaYA==
+-----END CERTIFICATE-----

data/certs/wildcard__k8s_yunwei_blog/privkey.pem

@@ -0,0 +1,27 @@
+-----BEGIN RSA PRIVATE KEY-----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+-----END RSA PRIVATE KEY-----

data/credentials.json

@@ -0,0 +1,20 @@
+[
+  {
+    "id": 1,
+    "name": "cloudflare_yunweiblog",
+    "type": "cloudflare",
+    "data": "{\"cf_api_token\":\"cfut_VLxUPTOTAWBwTmY8WM4uuZYQW0iztWSdXEWhQYB348f7e25a\"}",
+    "masked": "{\"cf_api_token\":\"cfut****\"}",
+    "created_at": "2026-07-24T23:08:11.019112775+08:00",
+    "updated_at": "2026-07-24T23:08:11.019112775+08:00"
+  },
+  {
+    "id": 3,
+    "name": "cloudflare_globalcloudflare_global",
+    "type": "cloudflare",
+    "data": "{\"cf_api_key\":\"6eabf25cb487d39f166c3ff4dc3145b5c5fb3\",\"cf_email\":\"mrtom0506@gmail.com\"}",
+    "masked": "{\"cf_api_key\":\"6eab****\",\"cf_email\":\"mrto****\"}",
+    "created_at": "2026-07-24T23:52:19.826553941+08:00",
+    "updated_at": "2026-07-24T23:52:19.826553941+08:00"
+  }
+]

deploy.sh

@@ -1,35 +1,53 @@
 #!/bin/bash
 set -e
 
+DEPLOY_DIR="$PWD"
+
 echo "=== Auto-SSL 一键部署脚本 ==="
 
 # 1. 拉取最新代码
 echo "1. 拉取最新代码..."
-git pull origin 0.01
+git pull origin master 2>/dev/null || git pull origin 0.0.2 2>/dev/null || echo "  (跳过git拉取)"
+
+# 检查是否有构建环境
+HAS_GO=$(command -v go &>/dev/null && echo "yes" || echo "no")
+HAS_NPM=$(command -v npm &>/dev/null && echo "yes" || echo "no")
 
 # 2. 编译后端
-echo "2. 编译Go后端..."
-cd backend
-go build -o autossl .
-cd ..
+if [ "$HAS_GO" = "yes" ]; then
+  echo "2. 编译Go后端..."
+  cd backend
+  go build -o autossl .
+  cd "$DEPLOY_DIR"
+else
+  echo "2. 跳过Go编译（未安装go），使用预编译二进制"
+fi
 
 # 3. 编译前端
-echo "3. 编译Vue前端..."
-cd frontend
-npm install --include=dev
-npm run build
-cd ..
+if [ "$HAS_NPM" = "yes" ]; then
+  echo "3. 编译Vue前端..."
+  cd frontend
+  npm install --include=dev
+  npm run build
+  cd "$DEPLOY_DIR"
+else
+  echo "3. 跳过前端编译（未安装npm），使用预构建dist"
+fi
 
-# 4. 部署前端资源...
+# 4. 部署前端资源
 echo "4. 部署前端资源..."
-rm -rf backend/dist
-mkdir -p backend/dist
-cp -rf frontend/dist/* backend/dist/
+if [ -d "frontend/dist" ] && [ -n "$(ls -A frontend/dist 2>/dev/null)" ]; then
+  rm -rf backend/dist
+  mkdir -p backend/dist
+  cp -rf frontend/dist/* backend/dist/
+  echo "  前端资源已部署"
+else
+  echo "  frontend/dist 为空或不存，跳过"
+fi
 
-# 5. 创建systemd服务
+# 5. 安装systemd服务
 echo "5. 安装systemd服务..."
-# 直接生成正确路径的service文件，避免sed替换失败
-cat > /tmp/autossl.service << EOF
+cat > /tmp/autossl.service << EOSERVICE
 [Unit]
 Description=Auto-SSL 证书管理服务
 After=network.target
@@ -38,11 +56,23 @@ Wants=network.target
 [Service]
 Type=simple
 User=root
-WorkingDirectory=$PWD/backend
+WorkingDirectory=${DEPLOY_DIR}/backend
 Environment="PORT=9090"
 Environment="ACME_PORT=8082"
 Environment="GIN_MODE=release"
-ExecStart=$PWD/backend/autossl
+Environment="ADMIN_USER=admin"
+Environment="ADMIN_PASSWORD=admin123"
+Environment="JWT_SECRET="
+# 通知配置可在 Web 界面中设置，无需环境变量
+# 环境变量会覆盖 Web 界面配置（向后兼容）
+# Environment="FEISHU_WEBHOOK_URL=https://open.feishu.cn/open-apis/bot/v2/hook/xxxxx"
+# Environment="SMTP_HOST=smtp.example.com"
+# Environment="SMTP_PORT=587"
+# Environment="SMTP_USER=user@example.com"
+# Environment="SMTP_PASSWORD=password"
+# Environment="SMTP_FROM=user@example.com"
+# Environment="NOTIFY_TO=admin@example.com"
+ExecStart=${DEPLOY_DIR}/backend/autossl
 Restart=always
 RestartSec=3
 StandardOutput=journal+console
@@ -51,21 +81,24 @@ SyslogIdentifier=autossl
 
 [Install]
 WantedBy=multi-user.target
-EOF
-sudo cp /tmp/autossl.service /etc/systemd/system/autossl.service
-sudo systemctl daemon-reload
-sudo systemctl enable autossl
+EOSERVICE
+cp /tmp/autossl.service /etc/systemd/system/autossl.service
+systemctl daemon-reload
+systemctl enable autossl
 
 # 6. 重启服务
 echo "6. 重启服务..."
-sudo systemctl restart autossl
+systemctl restart autossl
 
 # 7. 检查状态
 sleep 2
 echo "7. 检查服务状态..."
-if curl -s http://127.0.0.1:9090/api/stats > /dev/null; then
+if curl -s http://127.0.0.1:9090/api/health > /dev/null; then
     echo "✅ 部署成功！服务运行在 http://0.0.0.0:9090"
     echo "📝 日志查看：journalctl -u autossl -f"
+    echo ""
+    echo "默认登录账号: admin / admin123"
+    echo "请通过环境变量 ADMIN_USER / ADMIN_PASSWORD 修改密码"
 else
     echo "❌ 部署失败，请检查日志：journalctl -u autossl -n 50"
     exit 1

dist

@@ -0,0 +1 @@
+frontend/dist

docker-compose.yml

@@ -9,5 +9,17 @@ services:
     environment:
       - PORT=8080
       - TZ=Asia/Shanghai
+      # 登录认证
+      - ADMIN_USER=admin
+      - ADMIN_PASSWORD=admin123
+      - JWT_SECRET=change-this-to-a-random-secret
+      # 飞书通知（可选）
+      # - FEISHU_WEBHOOK_URL=https://open.feishu.cn/open-apis/bot/v2/hook/xxxxx
+      # 邮件通知（可选）
+      # - SMTP_HOST=smtp.example.com
+      # - SMTP_PORT=587
+      # - SMTP_USER=user@example.com
+      # - SMTP_PASSWORD=your-p...（可忽略）xxxxxxxxxxxxx
+      # 可选：重置本文其他环境变量
     volumes:
       - ./data:/app/data

frontend/src/App.vue

@@ -1,5 +1,9 @@
 <template>
   <div id="app">
+    <template v-if="route.path === '/login'">
+      <router-view />
+    </template>
+    <template v-else>
       <el-container style="min-height: 100vh">
         <el-header class="app-header">
           <div class="header-left">
@@ -7,7 +11,21 @@
             <span class="header-title">AutoSSL 证书管理</span>
           </div>
           <div class="header-right">
-          <el-tag type="success" size="small">运行中</el-tag>
+            <el-tag type="success" size="small" style="margin-right: 12px">运行中</el-tag>
+            <el-dropdown trigger="click" @command="handleCommand">
+              <span class="user-dropdown">
+                <el-icon><UserFilled /></el-icon>
+                {{ username }}
+                <el-icon><ArrowDown /></el-icon>
+              </span>
+              <template #dropdown>
+                <el-dropdown-menu>
+                  <el-dropdown-item command="logout">
+                    <el-icon><SwitchButton /></el-icon> 退出登录
+                  </el-dropdown-item>
+                </el-dropdown-menu>
+              </template>
+            </el-dropdown>
           </div>
         </el-header>
         <el-container>
@@ -31,6 +49,14 @@
                 <el-icon><Plus /></el-icon>
                 <span>申请证书</span>
               </el-menu-item>
+              <el-menu-item index="/notify">
+                <el-icon><Bell /></el-icon>
+                <span>通知配置</span>
+              </el-menu-item>
+              <el-menu-item index="/credentials">
+                <el-icon><Key /></el-icon>
+                <span>DNS 凭证</span>
+              </el-menu-item>
             </el-menu>
           </el-aside>
           <el-main>
@@ -38,12 +64,28 @@
           </el-main>
         </el-container>
       </el-container>
+    </template>
   </div>
 </template>
 
 <script setup lang="ts">
-import { useRoute } from 'vue-router'
+import { ref, computed } from 'vue'
+import { useRoute, useRouter } from 'vue-router'
+import { ArrowDown, SwitchButton } from '@element-plus/icons-vue'
+
 const route = useRoute()
+const router = useRouter()
+
+const username = ref(localStorage.getItem('username') || 'admin')
+
+const handleCommand = (cmd: string) => {
+  if (cmd === 'logout') {
+    localStorage.removeItem('token')
+    localStorage.removeItem('username')
+    localStorage.removeItem('token_expires_at')
+    router.push('/login')
+  }
+}
 </script>
 
 <style>
@@ -81,6 +123,26 @@ body {
   letter-spacing: 1px;
 }
 
+.header-right {
+  display: flex;
+  align-items: center;
+}
+
+.user-dropdown {
+  display: flex;
+  align-items: center;
+  gap: 6px;
+  cursor: pointer;
+  padding: 4px 12px;
+  border-radius: 4px;
+  transition: background 0.2s;
+  font-size: 14px;
+}
+
+.user-dropdown:hover {
+  background: rgba(255, 255, 255, 0.15);
+}
+
 .el-aside {
   background-color: #001529;
   min-height: calc(100vh - 60px);

frontend/src/api/index.ts

@@ -5,6 +5,35 @@ const api = axios.create({
   timeout: 300000,
 })
 
+// Request interceptor: attach JWT token to all requests
+api.interceptors.request.use(
+  (config) => {
+    const token = localStorage.getItem('token')
+    if (token) {
+      config.headers.Authorization = `Bearer ${token}`
+    }
+    return config
+  },
+  (error) => Promise.reject(error)
+)
+
+// Response interceptor: handle 401 unauthorized (redirect to login)
+api.interceptors.response.use(
+  (response) => response,
+  (error) => {
+    if (error.response?.status === 401) {
+      localStorage.removeItem('token')
+      localStorage.removeItem('username')
+      localStorage.removeItem('token_expires_at')
+      // Only redirect if not already on login page
+      if (window.location.pathname !== '/login') {
+        window.location.href = '/login'
+      }
+    }
+    return Promise.reject(error)
+  }
+)
+
 export interface Certificate {
   id: number
   domain: string
@@ -42,6 +71,75 @@ export interface CreateCertRequest {
   renew_days?: number
 }
 
+export interface LoginResponse {
+  token: string
+  username: string
+  expires_at: number
+}
+
+export interface NotifyConfig {
+  feishu_enabled: boolean
+  feishu_url: string
+  smtp_enabled: boolean
+  smtp_host: string
+  smtp_port: string
+  smtp_user: string
+  smtp_password: string
+  smtp_from: string
+  notify_to: string
+  expiry_days: number
+  updated_at: string
+}
+
+export interface Credential {
+  id: number
+  name: string
+  type: string
+  data: string
+  masked: string
+  created_at: string
+  updated_at: string
+}
+
+export interface CredentialField {
+  key: string
+  label: string
+  type: string
+  required: boolean
+}
+
+export interface CredentialType {
+  type: string
+  label: string
+  fields: CredentialField[]
+}
+
+// Auth API
+export const authApi = {
+  login: (username: string, password: string) =>
+    api.post<LoginResponse>('/login', { username, password }),
+  health: () => api.get('/health'),
+}
+
+// Check if user is logged in
+export const isLoggedIn = (): boolean => {
+  const token = localStorage.getItem('token')
+  if (!token) return false
+
+  const expiresAt = localStorage.getItem('token_expires_at')
+  if (expiresAt) {
+    const now = Math.floor(Date.now() / 1000)
+    if (now >= Number(expiresAt)) {
+      localStorage.removeItem('token')
+      localStorage.removeItem('username')
+      localStorage.removeItem('token_expires_at')
+      return false
+    }
+  }
+  return true
+}
+
+// Certificate API
 export const certApi = {
   list: () => api.get<Certificate[]>('/certificates'),
   get: (id: number) => api.get<Certificate>(`/certificates/${id}`),
@@ -53,3 +151,21 @@ export const certApi = {
   checkRenewals: () => api.get('/renewals/check'),
   stats: () => api.get<Stats>('/stats'),
 }
+
+// Notification config API
+export const notifyApi = {
+  get: () => api.get<NotifyConfig>('/notify/config'),
+  update: (data: Partial<NotifyConfig>) => api.put('/notify/config', data),
+  testFeishu: () => api.post('/notify/test-feishu'),
+  testEmail: () => api.post('/notify/test-email'),
+}
+
+// Credential API
+export const credApi = {
+  list: () => api.get<Credential[]>('/credentials'),
+  get: (id: number) => api.get<Credential>(`/credentials/${id}`),
+  create: (data: { name: string; type: string; data: string }) => api.post<Credential>('/credentials', data),
+  update: (id: number, data: { name?: string; type?: string; data?: string }) => api.put<Credential>(`/credentials/${id}`, data),
+  delete: (id: number) => api.delete(`/credentials/${id}`),
+  types: () => api.get<CredentialType[]>('/credential-types'),
+}

frontend/src/router/index.ts

@@ -2,14 +2,71 @@ import { createRouter, createWebHistory } from 'vue-router'
 import Dashboard from '../views/Dashboard.vue'
 import CertList from '../views/CertList.vue'
 import CertCreate from '../views/CertCreate.vue'
+import NotifyConfig from '../views/NotifyConfig.vue'
+import Credentials from '../views/Credentials.vue'
+import Login from '../views/Login.vue'
+import { isLoggedIn } from '../api'
 
 const router = createRouter({
   history: createWebHistory(),
   routes: [
-    { path: '/', name: 'Dashboard', component: Dashboard },
-    { path: '/certificates', name: 'CertList', component: CertList },
-    { path: '/create', name: 'CertCreate', component: CertCreate },
+    {
+      path: '/login',
+      name: 'Login',
+      component: Login,
+      meta: { requiresAuth: false },
+    },
+    {
+      path: '/',
+      name: 'Dashboard',
+      component: Dashboard,
+      meta: { requiresAuth: true },
+    },
+    {
+      path: '/certificates',
+      name: 'CertList',
+      component: CertList,
+      meta: { requiresAuth: true },
+    },
+    {
+      path: '/create',
+      name: 'CertCreate',
+      component: CertCreate,
+      meta: { requiresAuth: true },
+    },
+    {
+      path: '/notify',
+      name: 'NotifyConfig',
+      component: NotifyConfig,
+      meta: { requiresAuth: true },
+    },
+    {
+      path: '/credentials',
+      name: 'Credentials',
+      component: Credentials,
+      meta: { requiresAuth: true },
+    },
   ],
 })
 
+// Navigation guard
+router.beforeEach((to, _, next) => {
+  const requiresAuth = to.meta.requiresAuth !== false
+
+  if (requiresAuth) {
+    if (isLoggedIn()) {
+      next()
+    } else {
+      next({ name: 'Login', query: { redirect: to.fullPath } })
+    }
+  } else {
+    // If already logged in and going to login, redirect to dashboard
+    if (to.name === 'Login' && isLoggedIn()) {
+      next({ name: 'Dashboard' })
+    } else {
+      next()
+    }
+  }
+})
+
 export default router

frontend/src/views/CertCreate.vue

@@ -8,7 +8,7 @@
         :model="form"
         :rules="rules"
         label-width="140px"
-        style="max-width: 600px"
+        style="max-width: 620px"
       >
         <el-form-item label="域名" prop="domain">
           <el-input v-model="form.domain" placeholder="example.com" />
@@ -32,8 +32,36 @@
           </el-radio-group>
         </el-form-item>
 
-        <el-form-item label="DNS 提供商" v-if="form.challenge_type === 'dns'" prop="dns_provider">
-          <el-select v-model="form.dns_provider" placeholder="选择 DNS 提供商" style="width: 100%">
+        <!-- DNS mode: credential or manual -->
+        <template v-if="form.challenge_type === 'dns'">
+          <el-form-item label="使用方式">
+            <el-radio-group v-model="credMode">
+              <el-radio value="credential">选择已有凭证</el-radio>
+              <el-radio value="manual">手动输入</el-radio>
+            </el-radio-group>
+          </el-form-item>
+
+          <!-- Select existing credential -->
+          <template v-if="credMode === 'credential'">
+            <el-form-item label="选择凭证">
+              <el-select v-model="selectedCredId" placeholder="选择已保存的 DNS 凭证" style="width: 100%" @change="onCredSelected">
+                <el-option
+                  v-for="cred in credentials"
+                  :key="cred.id"
+                  :label="cred.name + ' (' + typeLabel(cred.type) + ')'"
+                  :value="cred.id"
+                />
+              </el-select>
+              <div class="form-tip" v-if="credentials.length === 0">
+                暂无凭证，请先在 <router-link to="/credentials">DNS 凭证</router-link> 中添加
+              </div>
+            </el-form-item>
+          </template>
+
+          <!-- Manual input -->
+          <template v-if="credMode === 'manual'">
+            <el-form-item label="DNS 提供商" prop="dns_provider">
+              <el-select v-model="form.dns_provider" placeholder="选择 DNS 提供商" style="width: 100%" @change="onProviderChange">
                 <el-option label="阿里云 DNS (Aliyun)" value="alidns" />
                 <el-option label="Cloudflare" value="cloudflare" />
                 <el-option label="DNSPod" value="dnspod" />
@@ -41,32 +69,49 @@
             </el-form-item>
 
             <!-- Aliyun DNS Config -->
-        <template v-if="form.challenge_type === 'dns' && form.dns_provider === 'alidns'">
-          <el-form-item label="AccessKey ID" prop="ali_key">
-            <el-input v-model="dnsConfig.ali_key" placeholder="Aliyun AccessKey ID" />
+            <template v-if="form.dns_provider === 'alidns'">
+              <el-form-item label="AccessKey ID">
+                <el-input v-model="manualConfig.ali_key" placeholder="Aliyun AccessKey ID" />
               </el-form-item>
-          <el-form-item label="AccessKey Secret" prop="ali_secret">
-            <el-input v-model="dnsConfig.ali_secret" type="password" show-password placeholder="Aliyun AccessKey Secret" />
+              <el-form-item label="AccessKey Secret">
+                <el-input v-model="manualConfig.ali_secret" type="password" show-password placeholder="Aliyun AccessKey Secret" />
               </el-form-item>
             </template>
 
             <!-- Cloudflare Config -->
-        <template v-if="form.challenge_type === 'dns' && form.dns_provider === 'cloudflare'">
+            <template v-if="form.dns_provider === 'cloudflare'">
               <el-form-item label="API Token">
-            <el-input v-model="dnsConfig.cf_api_token" type="password" show-password placeholder="Cloudflare API Token" />
+                <el-input v-model="manualConfig.cf_api_token" type="password" show-password placeholder="Cloudflare API Token（推荐）" />
+                <div class="form-tip">需要 Zone:Read + DNS:Edit 权限。也可留空，改用下方 Email + Global API Key 方式</div>
+              </el-form-item>
+              <el-form-item label="Email">
+                <el-input v-model="manualConfig.cf_email" placeholder="Cloudflare 账号邮箱（Global API Key 方式）" />
+              </el-form-item>
+              <el-form-item label="Global API Key">
+                <el-input v-model="manualConfig.cf_api_key" type="password" show-password placeholder="Global API Key（与 Email 配合使用）" />
               </el-form-item>
             </template>
 
             <!-- DNSPod Config -->
-        <template v-if="form.challenge_type === 'dns' && form.dns_provider === 'dnspod'">
+            <template v-if="form.dns_provider === 'dnspod'">
               <el-form-item label="ID">
-            <el-input v-model="dnsConfig.dnspod_id" placeholder="DNSPod ID" />
+                <el-input v-model="manualConfig.dnspod_id" placeholder="DNSPod ID" />
               </el-form-item>
               <el-form-item label="Key">
-            <el-input v-model="dnsConfig.dnspod_key" type="password" show-password placeholder="DNSPod Key" />
+                <el-input v-model="manualConfig.dnspod_key" type="password" show-password placeholder="DNSPod Key" />
               </el-form-item>
             </template>
 
+            <!-- Save as credential option -->
+            <el-form-item v-if="form.dns_provider">
+              <el-checkbox v-model="saveAsCredential">保存为新凭证</el-checkbox>
+            </el-form-item>
+            <el-form-item v-if="saveAsCredential && form.dns_provider" label="凭证名称">
+              <el-input v-model="newCredName" placeholder="例如：阿里云生产环境" />
+            </el-form-item>
+          </template>
+        </template>
+
         <el-form-item label="自动续期">
           <el-switch v-model="form.auto_renew" />
         </el-form-item>
@@ -87,14 +132,28 @@
 </template>
 
 <script setup lang="ts">
-import { ref, reactive } from 'vue'
-import { certApi } from '../api'
+import { ref, reactive, onMounted } from 'vue'
+import { certApi, credApi } from '../api'
 import { ElMessage } from 'element-plus'
 import { useRouter } from 'vue-router'
 
+interface Credential {
+  id: number
+  name: string
+  type: string
+  masked: string
+}
+
 const router = useRouter()
 const formRef = ref()
 const submitting = ref(false)
+const credentials = ref<Credential[]>([])
+
+// Credential mode: select existing or manual input
+const credMode = ref<'credential' | 'manual'>('credential')
+const selectedCredId = ref<number | null>(null)
+const saveAsCredential = ref(false)
+const newCredName = ref('')
 
 const form = reactive({
   domain: '',
@@ -106,10 +165,12 @@ const form = reactive({
   renew_days: 30,
 })
 
-const dnsConfig = reactive({
+const manualConfig = reactive({
   ali_key: '',
   ali_secret: '',
   cf_api_token: '',
+  cf_email: '',
+  cf_api_key: '',
   dnspod_id: '',
   dnspod_key: '',
 })
@@ -122,15 +183,99 @@ const rules = {
   ],
 }
 
+const typeLabel = (type: string) => {
+  const labels: Record<string, string> = {
+    alidns: '阿里云 DNS',
+    cloudflare: 'Cloudflare',
+    dnspod: 'DNSPod',
+  }
+  return labels[type] || type
+}
+
+const loadCredentials = async () => {
+  try {
+    const res = await credApi.list()
+    credentials.value = res.data
+  } catch {
+    // Ignore errors loading credentials
+  }
+}
+
 const onChallengeChange = () => {
-  // Reset DNS config when switching
-  Object.keys(dnsConfig).forEach(k => (dnsConfig as any)[k] = '')
+  // Reset DNS config when switching challenge type
+  Object.keys(manualConfig).forEach(k => (manualConfig as any)[k] = '')
+  selectedCredId.value = null
+  credMode.value = 'credential'
+  saveAsCredential.value = false
+  newCredName.value = ''
+}
+
+const onProviderChange = () => {
+  Object.keys(manualConfig).forEach(k => (manualConfig as any)[k] = '')
+}
+
+const onCredSelected = (credId: number) => {
+  // Just store the selection, backend resolves DNS config
+  selectedCredId.value = credId
+}
+
+const buildDnsConfigJson = (): string => {
+  switch (form.dns_provider) {
+    case 'alidns':
+      return JSON.stringify({
+        ali_key: manualConfig.ali_key,
+        ali_secret: manualConfig.ali_secret,
+      })
+    case 'cloudflare':
+      return JSON.stringify({
+        cf_api_token: manualConfig.cf_api_token,
+        cf_email: manualConfig.cf_email,
+        cf_api_key: manualConfig.cf_api_key,
+      })
+    case 'dnspod':
+      return JSON.stringify({
+        dnspod_id: manualConfig.dnspod_id,
+        dnspod_key: manualConfig.dnspod_key,
+      })
+    default:
+      return '{}'
+  }
 }
 
 const handleSubmit = async () => {
   const valid = await formRef.value.validate().catch(() => false)
   if (!valid) return
 
+  // Validate manual fields
+  if (form.challenge_type === 'dns' && credMode.value === 'manual') {
+    if (!form.dns_provider) {
+      ElMessage.warning('请选择 DNS 提供商')
+      return
+    }
+    // Check required fields
+    if (form.dns_provider === 'alidns' && (!manualConfig.ali_key || !manualConfig.ali_secret)) {
+      ElMessage.warning('请填写阿里云 AccessKey')
+      return
+    }
+    if (form.dns_provider === 'cloudflare') {
+      const hasToken = !!manualConfig.cf_api_token
+      const hasEmailKey = !!manualConfig.cf_email && !!manualConfig.cf_api_key
+      if (!hasToken && !hasEmailKey) {
+        ElMessage.warning('请填写 Cloudflare API Token，或者同时填写 Email 和 Global API Key')
+        return
+      }
+    }
+    if (form.dns_provider === 'dnspod' && (!manualConfig.dnspod_id || !manualConfig.dnspod_key)) {
+      ElMessage.warning('请填写 DNSPod 凭证')
+      return
+    }
+
+    if (saveAsCredential.value && !newCredName.value) {
+      ElMessage.warning('请输入凭证名称')
+      return
+    }
+  }
+
   submitting.value = true
   try {
     const payload: any = {
@@ -143,12 +288,36 @@ const handleSubmit = async () => {
     }
 
     if (form.challenge_type === 'dns') {
+      if (credMode.value === 'credential') {
+        if (!selectedCredId.value) {
+          ElMessage.warning('请选择一个 DNS 凭证')
+          submitting.value = false
+          return
+        }
+        // Use existing credential
+        payload.credential_id = selectedCredId.value
+      } else if (credMode.value === 'manual') {
+        // Manual input
         payload.dns_provider = form.dns_provider
-      payload.dns_config = JSON.stringify(dnsConfig)
+        payload.dns_config = buildDnsConfigJson()
+
+        // Optionally save as new credential
+        if (saveAsCredential.value && newCredName.value) {
+          await credApi.create({
+            name: newCredName.value,
+            type: form.dns_provider,
+            data: payload.dns_config,
+          })
+        }
+      } else {
+        ElMessage.warning('请选择 DNS 凭证或选择手动输入')
+        submitting.value = false
+        return
+      }
     }
 
     await certApi.create(payload)
-    ElMessage.success(`证书申请已提交，后台处理中`)
+    ElMessage.success('证书申请已提交，后台处理中')
     router.push('/certificates')
   } catch (e: any) {
     ElMessage.error('提交失败: ' + (e.response?.data?.error || e.message))
@@ -156,6 +325,8 @@ const handleSubmit = async () => {
     submitting.value = false
   }
 }
+
+onMounted(loadCredentials)
 </script>
 
 <style scoped>
@@ -164,4 +335,19 @@ const handleSubmit = async () => {
   font-size: 24px;
   color: #1a1a2e;
 }
+
+.form-tip {
+  font-size: 12px;
+  color: #999;
+  margin-top: 4px;
+}
+
+.form-tip a {
+  color: #1890ff;
+  text-decoration: none;
+}
+
+.form-tip a:hover {
+  text-decoration: underline;
+}
 </style>

frontend/src/views/Credentials.vue

@@ -0,0 +1,246 @@
+<template>
+  <div class="credentials-page">
+    <div class="page-header">
+      <h2 class="page-title">DNS 凭证管理</h2>
+      <el-button type="primary" @click="showCreateDialog">
+        <el-icon><Plus /></el-icon> 新增凭证
+      </el-button>
+    </div>
+
+    <el-table :data="credentials" v-loading="loading" stripe style="width: 100%">
+      <el-table-column prop="id" label="ID" width="60" />
+      <el-table-column prop="name" label="名称" min-width="180" />
+      <el-table-column label="类型" width="200">
+        <template #default="{ row }">
+          <el-tag :type="row.type === 'alidns' ? 'success' : row.type === 'cloudflare' ? 'warning' : 'info'">
+            {{ typeLabel(row.type) }}
+          </el-tag>
+        </template>
+      </el-table-column>
+      <el-table-column label="密钥预览" min-width="250">
+        <template #default="{ row }">
+          <code style="font-size: 12px; color: #999">{{ row.masked || '{}' }}</code>
+        </template>
+      </el-table-column>
+      <el-table-column prop="created_at" label="创建时间" width="180">
+        <template #default="{ row }">{{ formatTime(row.created_at) }}</template>
+      </el-table-column>
+      <el-table-column label="操作" width="160" fixed="right">
+        <template #default="{ row }">
+          <el-button type="primary" link size="small" @click="showEditDialog(row)">编辑</el-button>
+          <el-button type="danger" link size="small" @click="handleDelete(row)">删除</el-button>
+        </template>
+      </el-table-column>
+    </el-table>
+
+    <!-- Create / Edit Dialog -->
+    <el-dialog
+      v-model="dialogVisible"
+      :title="editingId ? '编辑凭证' : '新增凭证'"
+      width="550px"
+    >
+      <el-form ref="formRef" :model="form" :rules="rules" label-width="100px">
+        <el-form-item label="名称" prop="name">
+          <el-input v-model="form.name" placeholder="例如：阿里云生产环境" />
+        </el-form-item>
+        <el-form-item label="类型" prop="type">
+          <el-select v-model="form.type" placeholder="选择 DNS 提供商" @change="onTypeChange" style="width: 100%">
+            <el-option
+              v-for="t in credTypes"
+              :key="t.type"
+              :label="t.label"
+              :value="t.type"
+            />
+          </el-select>
+        </el-form-item>
+
+        <template v-if="form.type && currentFields.length > 0">
+          <div class="cred-fields-title">密钥配置</div>
+          <el-form-item
+            v-for="field in currentFields"
+            :key="field.key"
+            :label="field.label"
+            :prop="'data.' + field.key"
+            :rules="field.required ? [{ required: true, message: '请输入' + field.label, trigger: 'blur' }] : []"
+          >
+            <el-input
+              v-model="form.data[field.key]"
+              :type="field.type === 'password' ? 'password' : 'text'"
+              :show-password="field.type === 'password'"
+              :placeholder="'请输入' + field.label"
+            />
+          </el-form-item>
+        </template>
+      </el-form>
+
+      <template #footer>
+        <el-button @click="dialogVisible = false">取消</el-button>
+        <el-button type="primary" :loading="saving" @click="handleSave">保存</el-button>
+      </template>
+    </el-dialog>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, reactive, onMounted, computed } from 'vue'
+import { credApi, type Credential, type CredentialType } from '../api'
+import { ElMessage, ElMessageBox } from 'element-plus'
+
+const loading = ref(false)
+const credentials = ref<Credential[]>([])
+const credTypes = ref<CredentialType[]>([])
+const dialogVisible = ref(false)
+const editingId = ref<number | null>(null)
+const saving = ref(false)
+const formRef = ref()
+
+const form = reactive({
+  name: '',
+  type: '',
+  data: {} as Record<string, string>,
+})
+
+const rules = {
+  name: [{ required: true, message: '请输入名称', trigger: 'blur' }],
+  type: [{ required: true, message: '请选择类型', trigger: 'change' }],
+}
+
+const currentFields = computed(() => {
+  const ct = credTypes.value.find(t => t.type === form.type)
+  return ct?.fields || []
+})
+
+const typeLabel = (type: string) => {
+  const ct = credTypes.value.find(t => t.type === type)
+  return ct?.label || type
+}
+
+const formatTime = (t: string) => {
+  if (!t) return ''
+  return t.replace('T', ' ').substring(0, 19)
+}
+
+const loadData = async () => {
+  loading.value = true
+  try {
+    const [credRes, typesRes] = await Promise.all([
+      credApi.list(),
+      credApi.types(),
+    ])
+    credentials.value = credRes.data
+    credTypes.value = typesRes.data
+  } catch (e: any) {
+    ElMessage.error('加载失败: ' + (e.response?.data?.error || e.message))
+  } finally {
+    loading.value = false
+  }
+}
+
+const showCreateDialog = () => {
+  editingId.value = null
+  form.name = ''
+  form.type = ''
+  form.data = {}
+  dialogVisible.value = true
+}
+
+const showEditDialog = (cred: Credential) => {
+  editingId.value = cred.id
+  form.name = cred.name
+  form.type = cred.type
+  // Parse masked data for display (secrets not returned by API)
+  try {
+    const parsed = JSON.parse(cred.masked || '{}')
+    form.data = parsed
+  } catch {
+    form.data = {}
+  }
+  dialogVisible.value = true
+}
+
+const onTypeChange = () => {
+  form.data = {}
+}
+
+const handleSave = async () => {
+  const valid = await formRef.value.validate().catch(() => false)
+  if (!valid) return
+
+  saving.value = true
+  try {
+    const dataPayload = JSON.stringify(form.data)
+
+    if (editingId.value) {
+      await credApi.update(editingId.value, {
+        name: form.name,
+        data: dataPayload,
+      })
+      ElMessage.success('凭证已更新')
+    } else {
+      await credApi.create({
+        name: form.name,
+        type: form.type,
+        data: dataPayload,
+      })
+      ElMessage.success('凭证已创建')
+    }
+    dialogVisible.value = false
+    await loadData()
+  } catch (e: any) {
+    ElMessage.error('保存失败: ' + (e.response?.data?.error || e.message))
+  } finally {
+    saving.value = false
+  }
+}
+
+const handleDelete = async (cred: Credential) => {
+  try {
+    await ElMessageBox.confirm(`确定删除凭证「${cred.name}」？`, '确认删除', {
+      type: 'warning',
+      confirmButtonText: '删除',
+      cancelButtonText: '取消',
+    })
+    await credApi.delete(cred.id)
+    ElMessage.success('凭证已删除')
+    await loadData()
+  } catch {
+    // cancelled
+  }
+}
+
+onMounted(loadData)
+</script>
+
+<style scoped>
+.credentials-page {
+  max-width: 1200px;
+  margin: 0 auto;
+}
+
+.page-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  margin-bottom: 20px;
+}
+
+.page-title {
+  font-size: 24px;
+  color: #1a1a2e;
+  margin: 0;
+}
+
+.cred-fields-title {
+  font-weight: 600;
+  color: #333;
+  padding: 12px 0 8px;
+  border-top: 1px solid #eee;
+  margin-bottom: 8px;
+}
+
+:deep(.el-table code) {
+  background: #f5f5f5;
+  padding: 2px 6px;
+  border-radius: 3px;
+}
+</style>

frontend/src/views/Login.vue

@@ -0,0 +1,145 @@
+<template>
+  <div class="login-container">
+    <div class="login-card">
+      <div class="login-header">
+        <el-icon :size="32" color="#1890ff"><Link /></el-icon>
+        <h2>AutoSSL 证书管理</h2>
+        <p class="login-desc">请登录以继续</p>
+      </div>
+      <el-form
+        ref="formRef"
+        :model="form"
+        :rules="rules"
+        label-width="0"
+        @keyup.enter="handleLogin"
+      >
+        <el-form-item prop="username">
+          <el-input
+            v-model="form.username"
+            placeholder="用户名"
+            size="large"
+            :prefix-icon="User"
+          />
+        </el-form-item>
+        <el-form-item prop="password">
+          <el-input
+            v-model="form.password"
+            type="password"
+            placeholder="密码"
+            size="large"
+            show-password
+            :prefix-icon="Lock"
+          />
+        </el-form-item>
+        <el-form-item>
+          <el-button
+            type="primary"
+            size="large"
+            style="width: 100%"
+            :loading="loading"
+            @click="handleLogin"
+          >
+            登 录
+          </el-button>
+        </el-form-item>
+      </el-form>
+      <div class="login-footer">
+        <p v-if="errorMsg" class="error-msg">{{ errorMsg }}</p>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, reactive } from 'vue'
+import { useRouter } from 'vue-router'
+import { User, Lock } from '@element-plus/icons-vue'
+import { ElMessage } from 'element-plus'
+import { authApi } from '../api'
+
+const router = useRouter()
+const formRef = ref()
+const loading = ref(false)
+const errorMsg = ref('')
+
+const form = reactive({
+  username: '',
+  password: '',
+})
+
+const rules = {
+  username: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
+  password: [{ required: true, message: '请输入密码', trigger: 'blur' }],
+}
+
+const handleLogin = async () => {
+  const valid = await formRef.value.validate().catch(() => false)
+  if (!valid) return
+
+  loading.value = true
+  errorMsg.value = ''
+  try {
+    const res = await authApi.login(form.username, form.password)
+    const { token, username, expires_at } = res.data
+    localStorage.setItem('token', token)
+    localStorage.setItem('username', username)
+    localStorage.setItem('token_expires_at', String(expires_at))
+    ElMessage.success(`欢迎回来, ${username}!`)
+    router.push('/')
+  } catch (e: any) {
+    errorMsg.value = e.response?.data?.error || '登录失败，请检查用户名和密码'
+  } finally {
+    loading.value = false
+  }
+}
+</script>
+
+<style scoped>
+.login-container {
+  min-height: 100vh;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
+  background-size: cover;
+}
+
+.login-card {
+  width: 400px;
+  background: white;
+  border-radius: 12px;
+  padding: 40px;
+  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
+}
+
+.login-header {
+  text-align: center;
+  margin-bottom: 32px;
+}
+
+.login-header h2 {
+  margin-top: 12px;
+  font-size: 24px;
+  color: #1a1a2e;
+}
+
+.login-desc {
+  margin-top: 8px;
+  color: #999;
+  font-size: 14px;
+}
+
+.login-footer {
+  text-align: center;
+  margin-top: 8px;
+}
+
+.error-msg {
+  color: #f56c6c;
+  font-size: 13px;
+}
+
+:deep(.el-input__prefix) {
+  font-size: 18px;
+}
+</style>

frontend/src/views/NotifyConfig.vue

@@ -0,0 +1,272 @@
+<template>
+  <div class="notify-settings">
+    <h2 class="page-title">通知配置</h2>
+
+    <el-row :gutter="20">
+      <el-col :span="12">
+        <el-card>
+          <template #header>
+            <div class="card-header">
+              <span><el-icon style="margin-right: 8px"><ChatDotSquare /></el-icon>飞书机器人</span>
+              <el-switch v-model="form.feishu_enabled" />
+            </div>
+          </template>
+          <el-form label-width="120px">
+            <el-form-item label="Webhook URL">
+              <el-input
+                v-model="form.feishu_url"
+                placeholder="https://open.feishu.cn/open-apis/bot/v2/hook/xxxxx"
+                :disabled="!form.feishu_enabled"
+              />
+            </el-form-item>
+            <el-form-item>
+              <el-button
+                type="success"
+                size="small"
+                :disabled="!form.feishu_enabled || !form.feishu_url"
+                :loading="testingFeishu"
+                @click="handleTestFeishu"
+              >
+                发送测试
+              </el-button>
+            </el-form-item>
+          </el-form>
+        </el-card>
+      </el-col>
+
+      <el-col :span="12">
+        <el-card>
+          <template #header>
+            <div class="card-header">
+              <span><el-icon style="margin-right: 8px"><Message /></el-icon>邮件通知</span>
+              <el-switch v-model="form.smtp_enabled" />
+            </div>
+          </template>
+          <el-form label-width="120px">
+            <el-form-item label="SMTP 主机">
+              <el-input v-model="form.smtp_host" placeholder="smtp.example.com" :disabled="!form.smtp_enabled" />
+            </el-form-item>
+            <el-form-item label="SMTP 端口">
+              <el-input-number v-model="smtpPortNumber" :min="25" :max="587" :disabled="!form.smtp_enabled" />
+            </el-form-item>
+            <el-form-item label="用户名">
+              <el-input v-model="form.smtp_user" placeholder="user@example.com" :disabled="!form.smtp_enabled" />
+            </el-form-item>
+            <el-form-item label="密码">
+              <el-input
+                v-model="form.smtp_password"
+                type="password"
+                show-password
+                :placeholder="hasPassword ? '留空保持不变' : '输入SMTP密码'"
+                :disabled="!form.smtp_enabled"
+              />
+            </el-form-item>
+            <el-form-item label="发件人">
+              <el-input v-model="form.smtp_from" placeholder="AutoSSL <noreply@example.com>" :disabled="!form.smtp_enabled" />
+            </el-form-item>
+            <el-form-item label="收件人">
+              <el-input
+                v-model="form.notify_to"
+                placeholder="admin@example.com,ops@example.com"
+                :disabled="!form.smtp_enabled"
+              />
+              <div class="form-tip">多个邮箱用逗号分隔</div>
+            </el-form-item>
+            <el-form-item>
+              <el-button
+                type="success"
+                size="small"
+                :disabled="!form.smtp_enabled || !form.smtp_host || !form.notify_to"
+                :loading="testingEmail"
+                @click="handleTestEmail"
+              >
+                发送测试
+              </el-button>
+            </el-form-item>
+          </el-form>
+        </el-card>
+      </el-col>
+    </el-row>
+
+    <el-card style="margin-top: 20px">
+      <template #header>
+        <div class="card-header">
+          <span><el-icon style="margin-right: 8px"><Setting /></el-icon>通知规则</span>
+        </div>
+      </template>
+      <el-form :inline="true" label-width="140px">
+        <el-form-item label="到期前提醒天数">
+          <el-input-number v-model="form.expiry_days" :min="7" :max="90" />
+        </el-form-item>
+      </el-form>
+    </el-card>
+
+    <div style="margin-top: 20px; text-align: center">
+      <el-button type="primary" size="large" :loading="saving" :icon="Check" @click="handleSave">
+        保存配置
+      </el-button>
+    </div>
+
+    <!-- 通知状态说明 -->
+    <el-card style="margin-top: 20px">
+      <template #header>
+        <span><el-icon style="margin-right: 8px"><InfoFilled /></el-icon>通知说明</span>
+      </template>
+      <div class="notify-info">
+        <p>1. 配置保存后自动持久化到 <code>data/notify.json</code> 文件</p>
+        <p>2. 系统每天上午 <strong>8:00</strong> 自动检查证书到期情况并发送通知</p>
+        <p>3. 启动后 <strong>10 秒</strong> 也会执行一次初始检查</p>
+        <p>4. 环境变量 <code>FEISHU_WEBHOOK_URL</code> / <code>SMTP_*</code> 会覆盖文件配置（向后兼容）</p>
+        <p>5. 点击"发送测试"可验证通知通道是否配置正确</p>
+      </div>
+    </el-card>
+  </div>
+</template>
+
+<script setup lang="ts">
+import { ref, reactive, onMounted, computed } from 'vue'
+import { notifyApi } from '../api'
+import { ElMessage } from 'element-plus'
+import { Check, ChatDotSquare, Message, Setting, InfoFilled } from '@element-plus/icons-vue'
+
+const saving = ref(false)
+const testingFeishu = ref(false)
+const testingEmail = ref(false)
+const loading = ref(true)
+const hasPassword = ref(false)
+
+const form = reactive({
+  feishu_enabled: false,
+  feishu_url: '',
+  smtp_enabled: false,
+  smtp_host: '',
+  smtp_port: '587',
+  smtp_user: '',
+  smtp_password: '',
+  smtp_from: '',
+  notify_to: '',
+  expiry_days: 30,
+})
+
+const smtpPortNumber = computed({
+  get: () => parseInt(form.smtp_port || '587'),
+  set: (v: number) => { form.smtp_port = String(v) },
+})
+
+const loadConfig = async () => {
+  try {
+    const res = await notifyApi.get()
+    const data = res.data as any
+    form.feishu_enabled = data.feishu_enabled || false
+    form.feishu_url = data.feishu_url || ''
+    form.smtp_enabled = data.smtp_enabled || false
+    form.smtp_host = data.smtp_host || ''
+    form.smtp_port = data.smtp_port || '587'
+    form.smtp_user = data.smtp_user || ''
+    form.smtp_password = data.smtp_password || ''
+    form.smtp_from = data.smtp_from || ''
+    form.notify_to = data.notify_to || ''
+    form.expiry_days = data.expiry_days || 30
+    hasPassword.value = form.smtp_password === '********'
+    // Reset password field to empty if it's masked - user can leave blank to keep
+    if (form.smtp_password === '********') {
+      form.smtp_password = ''
+    }
+  } catch (e: any) {
+    ElMessage.error('加载配置失败: ' + (e.response?.data?.error || e.message))
+  } finally {
+    loading.value = false
+  }
+}
+
+const handleSave = async () => {
+  saving.value = true
+  try {
+    const payload = {
+      feishu_enabled: form.feishu_enabled,
+      feishu_url: form.feishu_url,
+      smtp_enabled: form.smtp_enabled,
+      smtp_host: form.smtp_host,
+      smtp_port: form.smtp_port,
+      smtp_user: form.smtp_user,
+      smtp_password: form.smtp_password || '********',
+      smtp_from: form.smtp_from,
+      notify_to: form.notify_to,
+      expiry_days: form.expiry_days,
+    }
+    await notifyApi.update(payload)
+    ElMessage.success('通知配置已保存')
+    // Reload to refresh masked state
+    await loadConfig()
+  } catch (e: any) {
+    ElMessage.error('保存失败: ' + (e.response?.data?.error || e.message))
+  } finally {
+    saving.value = false
+  }
+}
+
+const handleTestFeishu = async () => {
+  testingFeishu.value = true
+  try {
+    await notifyApi.testFeishu()
+    ElMessage.success('飞书测试消息发送成功')
+  } catch (e: any) {
+    ElMessage.error('飞书测试失败: ' + (e.response?.data?.error || e.message))
+  } finally {
+    testingFeishu.value = false
+  }
+}
+
+const handleTestEmail = async () => {
+  testingEmail.value = true
+  try {
+    await notifyApi.testEmail()
+    ElMessage.success('邮件测试消息发送成功')
+  } catch (e: any) {
+    ElMessage.error('邮件测试失败: ' + (e.response?.data?.error || e.message))
+  } finally {
+    testingEmail.value = false
+  }
+}
+
+onMounted(loadConfig)
+</script>
+
+<style scoped>
+.notify-settings {
+  max-width: 1200px;
+  margin: 0 auto;
+}
+
+.page-title {
+  margin-bottom: 20px;
+  font-size: 24px;
+  color: #1a1a2e;
+}
+
+.card-header {
+  display: flex;
+  align-items: center;
+  justify-content: space-between;
+  font-weight: 600;
+}
+
+.form-tip {
+  font-size: 12px;
+  color: #999;
+  margin-top: 4px;
+}
+
+.notify-info {
+  line-height: 2;
+  color: #555;
+}
+
+.notify-info code {
+  background: #f5f5f5;
+  padding: 2px 8px;
+  border-radius: 3px;
+  font-size: 13px;
+  color: #1890ff;
+}
+</style>