fix：不能正常接收菜单点击事件

android/src/main/java/com/finogeeks/mop/api/mop/AppletHandlerModule.java

@@ -182,7 +182,6 @@ public class AppletHandlerModule extends BaseApi {
                 handler.post(() -> {
                     channel.invokeMethod("extensionApi:onCustomMenuClick", params);
                 });
-                callback.onSuccess(null);
             }
 
             @Override

lib/api.dart

@@ -34,6 +34,6 @@ abstract class AppletHandler {
   Future<List<CustomMenu>> getCustomMenus(String appId);
 
   ///自定义菜单点击处理
-  Future onCustomMenuClick(
+  Future<void> onCustomMenuClick(
       String appId, String path, String menuId, String appInfo);
 }

lib/mop.dart

@@ -180,7 +180,7 @@ class Mop {
       print("registerAppletHandler getCustomMenus list $list");
       return list;
     };
-    _extensionApis["onCustomMenuClick"] = (params) {
+    _extensionApis["onCustomMenuClick"] = (params) async {
       return handler.onCustomMenuClick(
           params["appId"], params["path"], params["menuId"], params["appInfo"]);
     };