diff --git a/ios/Classes/Api/MOPAppletDelegate.h b/ios/Classes/Api/MOPAppletDelegate.h
index c44aa0c..0fab813 100644
--- a/ios/Classes/Api/MOPAppletDelegate.h
+++ b/ios/Classes/Api/MOPAppletDelegate.h
@@ -12,6 +12,8 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface MOPAppletDelegate : NSObject<FATAppletDelegate>
 
++ (instancetype)instance;
+
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/ios/Classes/Api/MOPAppletDelegate.m b/ios/Classes/Api/MOPAppletDelegate.m
index 9f00dfd..614dbd7 100644
--- a/ios/Classes/Api/MOPAppletDelegate.m
+++ b/ios/Classes/Api/MOPAppletDelegate.m
@@ -10,11 +10,21 @@
 
 @implementation MOPAppletDelegate
 
++ (instancetype)instance
+{
+    static MOPAppletDelegate *_instance;
+    static dispatch_once_t once;
+    dispatch_once(&once, ^{
+        _instance = [[self alloc] init];
+    });
+    return _instance;
+}
+
 - (void)forwardAppletWithInfo:(NSDictionary *)contentInfo completion:(void (^)(FATExtensionCode, NSDictionary *))completion
 {
     NSLog(@"forwardAppletWithInfo:%@",contentInfo);
     FlutterMethodChannel *channel = [[MopPlugin instance] methodChannel];
-    [channel invokeMethod:@"extensionApi:forwardApplet" arguments:contentInfo result:^(id  _Nullable result) {
+    [channel invokeMethod:@"extensionApi:forwardApplet" arguments:@{@"appletInfo":contentInfo} result:^(id  _Nullable result) {
         if([result isKindOfClass:[FlutterError class]]|| [result isKindOfClass:[FlutterMethodNotImplemented class] ])
         {
             completion(FATExtensionCodeFailure,nil);
diff --git a/ios/Classes/Api/MOP_registerAppletHandler.m b/ios/Classes/Api/MOP_registerAppletHandler.m
index 2fb6f63..a1a0b63 100644
--- a/ios/Classes/Api/MOP_registerAppletHandler.m
+++ b/ios/Classes/Api/MOP_registerAppletHandler.m
@@ -15,8 +15,7 @@
 - (void)setupApiWithSuccess:(void (^)(NSDictionary<NSString *,id> * _Nonnull))success failure:(void (^)(id _Nullable))failure cancel:(void (^)(void))cancel
 {
     NSLog(@"MOP_registerAppletHandler");
-    [[FATClient sharedClient] setDelegate:[[MOPAppletDelegate alloc] init]];
-
+    [FATClient sharedClient].delegate = [MOPAppletDelegate instance];
 }
 
 @end