fix

Assets/HuaweiService/fundation/HmsClass.cs

             set{
                 _obj = value;
             }
-        }   
+        }
+
+        public AndroidJavaClass javaClass
+        {
+            get
+            {
+                return clz;
+            }
+        }
+        
         public static AndroidJavaClass _clz;
         public static AndroidJavaClass clz{
             get{

Assets/HuaweiService/fundation/HmsListener.cs

             }
         }
         public AndroidJavaObject _obj;
+        public AndroidJavaClass javaClass
+        {
+            get
+            {
+                return clz;
+            }
+        }
+        
+        public static AndroidJavaClass _clz;
+        public static AndroidJavaClass clz{
+            get{
+                return _clz == null?_clz = new AndroidJavaClass(name):_clz;
+            } 
+        }
+
         public AndroidJavaObject obj{
             get{
                 return _obj == null?_obj = HmsListenerManager.GetListener(buildName,this):_obj;

Assets/HuaweiService/fundation/HmsUtil.cs

             if (!_enums[type].ContainsKey(value))
             {
                 var result = new T();
-                result.obj = result.obj.GetStatic<AndroidJavaObject>(value);
+                result.obj = result.javaClass.GetStatic<AndroidJavaObject>(value);
                 _enums[type].Add(value, result);
             }
            

Assets/HuaweiService/fundation/IHmsBase.cs

 namespace HuaweiService{
     public interface IHmsBase
     {
+        AndroidJavaClass javaClass { get; }
         AndroidJavaObject obj{get;set;}
         object param{get;}
     }