uni-app android 调试运行首页一直卡在加载中

Question

https://nativesupport.dcloud....

参考官方文档，新建 uni-app android 工程后，按官方文档做完

从android studio 运行 app , 模拟器一直卡在如下页面

请问是为什么呢？ 该如何排查问题呢？

log:

04-25 05:09:58.791 18543-18543/? I/art: Late-enabling -Xcheck:jni
04-25 05:09:58.791 18543-18543/? D/libnativebridge: call UnloadNativeBridge! state=1
04-25 05:09:58.810 18543-18551/? E/art: Failed sending reply to debugger: Broken pipe
04-25 05:09:58.810 18543-18551/? I/art: Debugger is no longer active
04-25 05:09:58.868 18543-18543/? E/doForFeature: AdFeatureImpl onAppAttachBaseContext
04-25 05:09:58.879 18543-18543/? E/platform: ClassNotFoundException io.dcloud.feature.x5.X5InitImpl init
04-25 05:09:58.880 18543-18543/? E/platform: ClassNotFoundException io.dcloud.feature.weex.WeexDevtoolImpl registerReloadReceiver
04-25 05:09:58.884 18543-18543/? E/DCloud_LOG: PlatformUtil.getResInputStream RuntimeException pFilePath=data/dcloud_control.xml
04-25 05:09:58.906 18543-18543/? E/platform: ClassNotFoundException io.dcloud.feature.weex.WeexDevtoolImpl initDebugEnvironment
04-25 05:09:58.909 18543-18543/? D/SoLoader: init start
04-25 05:09:58.909 18543-18543/? D/SoLoader: adding system library source: /vendor/lib