逻辑优化

Map/MethodMap.cs

@@ -22,7 +22,7 @@ namespace FlutterCodeGenerator.Map
             GenerateDataCache.Instance.CurrentMethod = MethodName;
             ParameterModelTypes = new List<ModelType>();
             Type returnParameterType;
-            if (!method.ReturnType.IsGenericType)
+            if (method.ReturnType.Name != "Task`1")
             {
                 returnParameterType = method.ReturnType;
             }