feat：增加日志打印

lib/src/rammus_iml.dart

@@ -372,6 +372,7 @@ Future applicationBadgeNumberClean({int num: 0}) async {
 }
 
 Future<dynamic> _handler(MethodCall methodCall) {
+  debugPrint("-----> flutterPush：handler ${methodCall.method}");
   if ("initCloudChannelResult" == methodCall.method) {
     _initCloudChannelResultController.add(CommonCallbackResult(
       isSuccessful: methodCall.arguments["isSuccessful"],