diff --git a/apps/miniprogram/config/index.ts b/apps/miniprogram/config/index.ts
index 6fac855..bd35460 100644
--- a/apps/miniprogram/config/index.ts
+++ b/apps/miniprogram/config/index.ts
@@ -19,6 +19,7 @@ export default defineConfig(async (merge) => {
       'process.env.TARO_APP_WX_TEMPLATE_REPORT': JSON.stringify(process.env.TARO_APP_WX_TEMPLATE_REPORT || ''),
       'process.env.TARO_APP_WX_TEMPLATE_CRITICAL_ALERT': JSON.stringify(process.env.TARO_APP_WX_TEMPLATE_CRITICAL_ALERT || ''),
       'process.env.TARO_APP_WX_TEMPLATE_HEALTH_ABNORMAL': JSON.stringify(process.env.TARO_APP_WX_TEMPLATE_HEALTH_ABNORMAL || ''),
+      'process.env.TARO_APP_DEFAULT_TENANT_ID': JSON.stringify(process.env.TARO_APP_DEFAULT_TENANT_ID || ''),
     },
     copy: { patterns: [], options: {} },
     framework: 'react',
diff --git a/apps/miniprogram/src/pages/index/index.tsx b/apps/miniprogram/src/pages/index/index.tsx
index efe6854..ac3f995 100644
--- a/apps/miniprogram/src/pages/index/index.tsx
+++ b/apps/miniprogram/src/pages/index/index.tsx
@@ -49,7 +49,10 @@ function GuestHome({ modeClass }: { modeClass: string }) {
   });
 
   const loadPublicData = async () => {
-    const tenantId = Taro.getStorageSync('tenant_id');
+    let tenantId = Taro.getStorageSync('tenant_id');
+    if (!tenantId) {
+      tenantId = process.env.TARO_APP_DEFAULT_TENANT_ID || '';
+    }
     if (!tenantId) {
       setBanners(FALLBACK_SLIDES);
       return;