diff --git a/src/platforms/app-plus/service/framework/app.js b/src/platforms/app-plus/service/framework/app.js
index 35d6c6526d339246d0abd7a3f62627e7ea195ae2..2e896d8cb95361326ce78cec67415d0a1e6b39d2 100644
--- a/src/platforms/app-plus/service/framework/app.js
+++ b/src/platforms/app-plus/service/framework/app.js
@@ -124,7 +124,7 @@ function initAppLaunch (appVm) {
 }
 
 function initTabBar () {
-  if (!__uniConfig.tabBar || !__uniConfig.tabBar.list.length) {
+  if (!__uniConfig.tabBar || !__uniConfig.tabBar.list || !__uniConfig.tabBar.list.length) {
     return
   }
 
@@ -230,4 +230,4 @@ export function registerApp (appVm) {
   __uniConfig.ready = true
 
   process.env.NODE_ENV !== 'production' && perf('registerApp')
-}
+}