diff --git a/src/platforms/mp-baidu/runtime/wrapper/util.js b/src/platforms/mp-baidu/runtime/wrapper/util.js
index 17ed556440f275657b2559b7792358127cc8e943..f2e4a61dca950a31d931d2fc93ed845b4fc4fff4 100644
--- a/src/platforms/mp-baidu/runtime/wrapper/util.js
+++ b/src/platforms/mp-baidu/runtime/wrapper/util.js
@@ -3,7 +3,8 @@ export const mocks = ['nodeId', 'componentName', '_componentId', 'uniquePrefix']
 export function isPage () {
   // 百度小程序组件的id，某些情况下可能是number类型的0，不能直接return !this.ownerId 判断当前组件是否是Page
   // 否则会导致mounted不执行
-  return typeof this.ownerId === 'undefined'
+  // 基础库 3.290.33 及以上 ownerId 为 null
+  return typeof this.ownerId === 'undefined' || this.ownerId === null
 }
 
 export function initRelation (detail) {