安卓APP打开白屏(偶现)

APP偶先白屏，进入APP首页，能看到底部的tabbar，但是页面一片空白，连接电脑，用Android studio里的logcat打印错误信息，报错如下

java.lang.ClassCastException: java.lang.Float cannot be cast to java.lang.String  
        at android.os.BaseBundle.getString(BaseBundle.java:1158)  
        at io.dcloud.b.a(SourceFile:71)  
        at io.dcloud.b.onCreate(SourceFile:130)  
        at io.dcloud.WebAppActivity.onCreate(SourceFile:25)  
        at android.app.Activity.performCreate(Activity.java:7144)  
        at android.app.Activity.performCreate(Activity.java:7135)  
        at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1271)  
        at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2928)  
        at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3083)  
        at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:78)  
        at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)  
        at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)  
        at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1840)  
        at android.os.Handler.dispatchMessage(Handler.java:106)  
        at android.os.Looper.loop(Looper.java:193)  
        at android.app.ActivityThread.main(ActivityThread.java:6713)  
        at java.lang.reflect.Method.invoke(Native Method)  
        at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:493)  
        at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:911)

截图如下：