diff --git a/apps/miniprogram/config/index.ts b/apps/miniprogram/config/index.ts
index 9a2285c..c10559c 100644
--- a/apps/miniprogram/config/index.ts
+++ b/apps/miniprogram/config/index.ts
@@ -50,9 +50,21 @@ export default defineConfig(async (merge) => {
       },
       commonChunks: ['runtime', 'vendors', 'taro', 'common'],
       addChunkPages(pages) {
+        // 主包 TabBar 页面保持 common chunk
+        const tabBarPages = new Set([
+          'pages/index/index',
+          'pages/health/index',
+          'pages/mall/index',
+          'pages/messages/index',
+          'pages/profile/index',
+        ]);
         pages.forEach((page) => {
           if (page.name === 'app') return;
-          page.chunks?.unshift('common');
+          // 分包页面不注入 common chunk，由分包自己的 vendors.js 承载
+          if (page.name.startsWith('pages/pkg-')) return;
+          if (tabBarPages.has(page.name) || !page.name.startsWith('pages/')) {
+            page.chunks?.unshift('common');
+          }
         });
       },
       miniCssExtractPluginOption: {