diff --git a/ios/Classes/Api/MOPAppletDelegate.m b/ios/Classes/Api/MOPAppletDelegate.m
index c3ff701..d01d99a 100644
--- a/ios/Classes/Api/MOPAppletDelegate.m
+++ b/ios/Classes/Api/MOPAppletDelegate.m
@@ -102,4 +102,15 @@
     }];
 }
 
+- (void)applet:(NSString *)appletId didOpenCompletion:(NSError *)error {
+    if (!appletId) {
+        return;
+    }
+    NSDictionary *params = @{@"appId":appletId};
+    FlutterMethodChannel *channel = [[MopPlugin instance] methodChannel];
+    [channel invokeMethod:@"extensionApi:appletDidOpen" arguments:params result:^(id _Nullable result) {
+        
+    }];
+}
+
 @end
diff --git a/lib/api.dart b/lib/api.dart
index f5e5f6f..f849c71 100644
--- a/lib/api.dart
+++ b/lib/api.dart
@@ -36,4 +36,7 @@ abstract class AppletHandler {
   ///自定义菜单点击处理
   Future<void> onCustomMenuClick(
       String appId, String path, String menuId, String appInfo);
+
+  //打开小程序
+  Future<void> appletDidOpen(String appId);
 }
diff --git a/lib/mop.dart b/lib/mop.dart
index e155152..855078e 100644
--- a/lib/mop.dart
+++ b/lib/mop.dart
@@ -54,6 +54,8 @@ class Mop {
       if (handler != null) {
         return await handler(call.arguments);
       }
+    } else if (call.method.startsWith("extensionApi:")) {
+      
     }
   }
 
@@ -217,6 +219,9 @@ class Mop {
       return handler.onCustomMenuClick(
           params["appId"], params["path"], params["menuId"], params["appInfo"]);
     };
+    _extensionApis["appletDidOpen"] = (params) async {
+      return handler.appletDidOpen(params["appId"]);
+    };
     _channel.invokeMethod("registerAppletHandler");
   }