【报Bug】uniapp自定义组件模式，生成微信小程序后报错，无法运行

详细问题描述

1、uniapp开发微信小程序，使用自定义组件模式
2、使用 cli命令 编译到微信开发者工具进行调试
3、看到报错信息如附件截图，导致没法使用，只能切换模板模式调试上线
4、微信开发者工具，具体报错信息如下

thirdScriptError  
Cannot read property 'data' of undefined; [Component] Lifetime Method Error @ pages/index/index#attached  
TypeError: Cannot read property 'data' of undefined  
    at VueComponent.patch [as __patch__] (http://127.0.0.1:40280/appservice/common/vendor.js:6122:42)  
    at VueComponent.Vue._update (http://127.0.0.1:40280/appservice/common/vendor.js:4585:25)  
    at VueComponent.updateComponent (http://127.0.0.1:40280/appservice/common/vendor.js:6171:14)  
    at Watcher.get (http://127.0.0.1:40280/appservice/common/vendor.js:5012:31)  
    at new Watcher (http://127.0.0.1:40280/appservice/common/vendor.js:5001:51)  
    at mountComponent$1 (http://127.0.0.1:40280/appservice/common/vendor.js:6177:9)  
    at VueComponent.Vue.$mount (http://127.0.0.1:40280/appservice/common/vendor.js:6427:16)  
    at H.initVm$1 (http://127.0.0.1:40280/appservice/common/vendor.js:903:16)  
    at H.attached (http://127.0.0.1:40280/appservice/common/vendor.js:926:22)  
    at r.safeCallback (http://127.0.0.1:40280/appservice/__dev__/WAService.js:1:759795)

IDE运行环境说明

HBuilderX 1.9.4
macOS 10.13.6

uni-app运行环境说明

1、微信小程序
2、cli创建，已更新最新cli
3、package.json如下：
4、使用自定义组件模式

 "dependencies": {  
    "@dcloudio/uni-app-plus": "0.0.223",  
    "@dcloudio/uni-h5": "^0.4.9",  
    "@dcloudio/uni-mp-alipay": "0.0.801",  
    "@dcloudio/uni-mp-baidu": "0.0.818",  
    "@dcloudio/uni-mp-toutiao": "0.0.318",  
    "@dcloudio/uni-mp-weixin": "0.0.942",  
    "core-js": "^2.6.5",  
    "dayjs": "^1.8.14",  
    "flyio": "^0.6.2",  
    "vue": "^2.6.6",  
    "vuex": "^3.1.1"  
  },  
  "devDependencies": {  
    "@dcloudio/uni-cli-shared": "^0.2.949",  
    "@dcloudio/uni-template-compiler": "^0.9.170",  
    "@dcloudio/uni-ui": "0.0.7",  
    "@dcloudio/vue-cli-plugin-hbuilderx": "^0.9.510",  
    "@dcloudio/vue-cli-plugin-uni": "^0.9.464",  
    "@dcloudio/webpack-uni-mp-loader": "^0.3.623",  
    "@dcloudio/webpack-uni-pages-loader": "^0.2.828",  
    "@types/html5plus": "*",  
    "@types/uni-app": "^1.0.1",  
    "@vue/cli-plugin-babel": "3.5.1",  
    "@vue/cli-service": "^3.7.0",  
    "babel-plugin-import": "^1.11.2",  
    "loadjs": "^3.6.1",  
    "node-sass": "^4.12.0",  
    "sass-loader": "^7.1.0",  
    "vue-template-compiler": "^2.5.21",  
    "weex-vue-loader": "^0.7.0"  
  }

[模拟器型号]
微信开发者工具版本：1.02.1904090

附件

报错信息及代码，看附件

联系方式

[QQ] 1750352431