diff --git a/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs b/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs
index 54c7c2bf6..eae1f92b6 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SugarProvider/SqlSugarProvider.cs
@@ -1168,5 +1168,14 @@ namespace SqlSugar
             };
         }
         #endregion
+
+        #region AsTenant
+        public ITenant AsTenant()
+        {
+            Check.Exception(true,ErrorMessage.GetThrowMessage("Child objects do not support tenant methods, var childDb= Db.GetConnection(confid)  ,Db is master  ", "Db子对象不支持租户方法，请使用主对象,例如：var childDb= Db.GetConnection(confid)  Db是主对象，childDb是子对象 "));
+            return null;
+        }
+        #endregion
+
     }
 }
diff --git a/Src/Asp.Net/SqlSugar/Interface/ISqlSugarClient.cs b/Src/Asp.Net/SqlSugar/Interface/ISqlSugarClient.cs
index 2d98e2e94..df631a1e2 100644
--- a/Src/Asp.Net/SqlSugar/Interface/ISqlSugarClient.cs
+++ b/Src/Asp.Net/SqlSugar/Interface/ISqlSugarClient.cs
@@ -52,7 +52,8 @@ namespace SqlSugar
         void InitMappingInfo(Type type);
         void InitMappingInfo<T>();
         void Open();
-        void Close(); 
+        void Close();
+        ITenant AsTenant();
         #endregion
 
         #region Insertable
diff --git a/Src/Asp.Net/SqlSugar/SqlSugarClient.cs b/Src/Asp.Net/SqlSugar/SqlSugarClient.cs
index 83bbe2496..58863ef59 100644
--- a/Src/Asp.Net/SqlSugar/SqlSugarClient.cs
+++ b/Src/Asp.Net/SqlSugar/SqlSugarClient.cs
@@ -576,6 +576,11 @@ namespace SqlSugar
         #endregion
 
         #region TenantManager
+        public ITenant AsTenant()
+        {
+            var tenant= this as ITenant;
+            return tenant;
+        }
         public SqlSguarTransaction UseTran() 
         {
             return new SqlSguarTransaction(this);
diff --git a/Src/Asp.Net/SqlSugar/SqlSugarScope.cs b/Src/Asp.Net/SqlSugar/SqlSugarScope.cs
index 7db6e93dd..32a45b810 100644
--- a/Src/Asp.Net/SqlSugar/SqlSugarScope.cs
+++ b/Src/Asp.Net/SqlSugar/SqlSugarScope.cs
@@ -65,6 +65,10 @@ namespace SqlSugar
 
         public SugarCacheProvider DataCache => ScopedContext.DataCache;
 
+        public ITenant AsTenant() 
+        {
+            return ScopedContext.AsTenant();
+        }
         public void AddConnection(ConnectionConfig connection)
         {
             ScopedContext.AddConnection(connection);