diff --git a/frontend/package.json b/frontend/package.json
index 4db1cb1..7cf087b 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -4,8 +4,8 @@
   "version": "0.0.0",
   "type": "module",
   "scripts": {
-    "predev": "rm -rf node_modules/.vite",
     "dev": "node node_modules/vite/bin/vite.js",
+    "dev:clean": "rm -rf node_modules/.vite && node node_modules/vite/bin/vite.js --force",
     "build": "node node_modules/vite/bin/vite.js build",
     "preview": "node node_modules/vite/bin/vite.js preview"
   },
diff --git a/frontend/vite.config.js b/frontend/vite.config.js
index 8c612cb..34ad7c7 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -11,18 +11,6 @@ export default defineConfig({
       '@': fileURLToPath(new URL('./src', import.meta.url))
     }
   },
-  // 显式预构建 element-plus，避免 Vite 缓存过期后
-  // 出现 "Failed to resolve entry for package element-plus" 错误
-  optimizeDeps: {
-    include: [
-      'element-plus',
-      '@element-plus/icons-vue',
-      'vue',
-      'vue-router',
-      'pinia',
-      'axios'
-    ]
-  },
   server: {
     host: '0.0.0.0',
     port: 3000,
diff --git a/start.sh b/start.sh
index 95cea5f..11a6e69 100755
--- a/start.sh
+++ b/start.sh
@@ -138,8 +138,8 @@ start_frontend() {
     
     cd $FRONTEND_DIR
     
-    # 检查 node_modules
-    if [ ! -d "node_modules" ]; then
+    # 检查 node_modules 及关键依赖是否完整
+    if [ ! -d "node_modules" ] || [ ! -f "node_modules/element-plus/es/index.mjs" ]; then
         echo -e "${YELLOW}安装前端依赖...${NC}"
         npm install
     fi