maxzhang

fix ie8 setRequestHeader parameter is invalid when slaveCookie value is undefined. 这种情况只会发生在跨域嵌套时，原因未知。例如： A页面（www.a.com）嵌套B页面（www.b.com），B页面包含xdomain slave配置 b1.b.com/proxy.html

iOS接收到推送通知时，如何获取extra参数？

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当 iOS接收到推送通知时，点击通知栏唤起APP，如何获取extra参数？从 `initialProps`拿不到。 ```javascript export default class App extends React.Component { constructor(initialProps) { super(initialProps) // 如何从`initialProps`中获取 extra参数？ } } ``` 阿里云官方参考文档：https://help.aliyun.com/knowledge_detail/50271.html

Android 调用`GcmRegister.register()`，抛如下异常： ``` 2020-01-10 20:14:15.937 12102-12195/? E/MPS:GcmRegister: register java.lang.NoClassDefFoundError: Failed resolution of: Lcom/google/firebase/iid/FirebaseInstanceIdService; at com.alibaba.sdk.android.push.register.GcmRegister.register(GcmRegister.java:22) at host.exp.exponent.MainApplication.a(MainApplication.java:206) at host.exp.exponent.MainApplication.onCreate(MainApplication.java:135) at android.app.Instrumentation.callApplicationOnCreate(Instrumentation.java:1165) at android.app.ActivityThread.handleBindApplication(ActivityThread.java:6074) at android.app.ActivityThread.access$1300(ActivityThread.java:207) at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1758) at android.os.Handler.dispatchMessage(Handler.java:106) at...