diff --git a/craco.config.js b/craco.config.js
index 6da6ae88..9072329a 100644
--- a/craco.config.js
+++ b/craco.config.js
@@ -2,6 +2,9 @@ const path = require('path');
 const webpack = require('webpack');
 const { BundleAnalyzerPlugin } = process.env.ANALYZE ? require('webpack-bundle-analyzer') : { BundleAnalyzerPlugin: null };
 
+// 检查是否为 Mock 模式（与 src/utils/apiConfig.js 保持一致）
+const isMockMode = () => process.env.REACT_APP_ENABLE_MOCK === 'true';
+
 module.exports = {
   webpack: {
     configure: (webpackConfig, { env, paths }) => {
@@ -27,7 +30,7 @@ module.exports = {
             chunks: 'all',
             maxInitialRequests: 30,
             minSize: 20000,
-            maxSize: 244000, // 限制单个 chunk 最大大小（约 244KB）
+            maxSize: 512000, // 限制单个 chunk 最大大小（512KB，与 performance.maxAssetSize 一致）
             cacheGroups: {
               // React 核心库单独分离
               react: {
@@ -47,7 +50,7 @@ module.exports = {
               chakraUI: {
                 test: /[\\/]node_modules[\\/](@chakra-ui|@emotion)[\\/]/,
                 name: 'chakra-ui',
-                priority: 22,
+                priority: 23, // 从 22 改为 23，避免与 antd 优先级冲突
                 reuseExistingChunk: true,
               },
               // Ant Design
@@ -236,21 +239,31 @@ module.exports = {
     devMiddleware: {
       writeToDisk: false,
     },
-    // 代理配置：将 /api 请求代理到后端服务器
-    proxy: {
-      '/api': {
-        target: 'http://49.232.185.254:5001',
-        changeOrigin: true,
-        secure: false,
-        logLevel: 'debug',
-      },
-      '/concept-api': {
-        target: 'http://49.232.185.254:6801',
-        changeOrigin: true,
-        secure: false,
-        logLevel: 'debug',
-        pathRewrite: { '^/concept-api': '' },
-      },
+
+    // 调试日志
+    onListening: (devServer) => {
+      console.log(`[CRACO] Mock Mode: ${isMockMode() ? 'Enabled ✅' : 'Disabled ❌'}`);
+      console.log(`[CRACO] Proxy: ${isMockMode() ? 'Disabled (MSW intercepts)' : 'Enabled (forwarding to backend)'}`);
     },
+
+    // 代理配置：将 /api 请求代理到后端服务器
+    // 注意：Mock 模式下禁用 proxy，让 MSW 拦截请求
+    ...(isMockMode() ? {} : {
+      proxy: {
+        '/api': {
+          target: 'http://49.232.185.254:5001',
+          changeOrigin: true,
+          secure: false,
+          logLevel: 'debug',
+        },
+        '/concept-api': {
+          target: 'http://49.232.185.254:6801',
+          changeOrigin: true,
+          secure: false,
+          logLevel: 'debug',
+          pathRewrite: { '^/concept-api': '' },
+        },
+      },
+    }),
   },
 };