diff --git a/frontend/package.json b/frontend/package.json
index 5fa6086..4db1cb1 100644
--- a/frontend/package.json
+++ b/frontend/package.json
@@ -4,6 +4,7 @@
   "version": "0.0.0",
   "type": "module",
   "scripts": {
+    "predev": "rm -rf node_modules/.vite",
     "dev": "node node_modules/vite/bin/vite.js",
     "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 34ad7c7..8c612cb 100644
--- a/frontend/vite.config.js
+++ b/frontend/vite.config.js
@@ -11,6 +11,18 @@ 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,