uni-app使用VUE3 setup语法糖失败

uni-app使用VUE3 setup语法糖失败

Compiled with 1 warning                                                                                                                     09:25:53

 warning  in ./src/pages/index/index.vue?vue&type=script&setup=true&lang=js&

"export 'default' (imported as 'mod') was not found in '-!../../../node_modules/babel-loader/lib/index.js!../../../node_modules/@dcloudio/vue-cli-plugin-uni/packages/webpack-preprocess-loader/index.js??ref--13-1!../../../node_modules/@dcloudio/webpack-uni-mp-loader/lib/script.js!../../../node_modules/@dcloudio/vue-cli-plugin-uni/packages/vue-loader/lib/index.js??vue-loader-options!../../../node_modules/@dcloudio/webpack-uni-mp-loader/lib/style.js!./index.vue?vue&type=script&setup=true&lang=js&'

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VM1768 WAService.js:1 TypeError: Cannot set property 'render' of undefined
    at normalizeComponent (vendor.js? [sm]:5692)
    at Module.<anonymous> (index.js? [sm]:57)
    at __webpack_require__ (runtime.js? [sm]:82)
    at Module.<anonymous> (index.js? [sm]:26)
    at Module.<anonymous> (index.js? [sm]:31)
    at __webpack_require__ (runtime.js? [sm]:82)
    at checkDeferredModules (runtime.js? [sm]:48)
    at Array.webpackJsonpCallback [as push] (runtime.js? [sm]:35)
    at index.js? [sm]:1
    at VM1768 WAService.js:1(env: Windows,mp,1.05.2204250; lib: 2.32.1)

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