diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
index 57b07109c..6bbf50cf5 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
@@ -23,22 +23,42 @@ namespace SqlSugar
         }
         public virtual string RowCount(MethodCallExpressionModel model) 
         {
+            if (model.Args.Count > 1)
+            {
+                return $"count({model.Args[0].MemberName}) over( partition by {model.Args[2].MemberName.ObjToString().TrimEnd('\'').TrimStart('\'')} order by {model.Args[1].MemberName.ObjToString().TrimEnd('\'').TrimStart('\'')})";
+            }
             return "count(1) over()";
         }
         public string RowSum(MethodCallExpressionModel model) 
         {
-             return "SUM(" + model.Args[0].MemberName +") over()";
+            if (model.Args.Count > 1) 
+            {
+                return $"SUM({model.Args[0].MemberName}) over( partition by {model.Args[2].MemberName.ObjToString().TrimEnd('\'').TrimStart('\'')} order by {model.Args[1].MemberName.ObjToString().TrimEnd('\'').TrimStart('\'')})";
+            }
+            return "SUM(" + model.Args[0].MemberName +") over()";
         }
         public string RowAvg(MethodCallExpressionModel model)
         {
+            if (model.Args.Count > 1)
+            {
+                return $"AVG({model.Args[0].MemberName}) over( partition by {model.Args[2].MemberName.ObjToString().TrimEnd('\'').TrimStart('\'')} order by {model.Args[1].MemberName.ObjToString().TrimEnd('\'').TrimStart('\'')})";
+            }
             return "AVG(" + model.Args[0].MemberName + ") over()";
         }
         public string RowMin(MethodCallExpressionModel model)
         {
+            if (model.Args.Count > 1)
+            {
+                return $"Min({model.Args[0].MemberName}) over( partition by {model.Args[2].MemberName.ObjToString().TrimEnd('\'').TrimStart('\'')} order by {model.Args[1].MemberName.ObjToString().TrimEnd('\'').TrimStart('\'')})";
+            }
             return "Min(" + model.Args[0].MemberName + ") over()";
         }
         public string RowMax(MethodCallExpressionModel model)
         {
+            if (model.Args.Count > 1)
+            {
+                return $"Max({model.Args[0].MemberName}) over( partition by {model.Args[2].MemberName.ObjToString().TrimEnd('\'').TrimStart('\'')} order by {model.Args[1].MemberName.ObjToString().TrimEnd('\'').TrimStart('\'')})";
+            }
             return "Max(" + model.Args[0].MemberName + ") over()";
         }
         public virtual string IIF(MethodCallExpressionModel model)
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/SqlFunc.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/SqlFunc.cs
index c256ac49c..02d5ff348 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/SqlFunc.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/SqlFunc.cs
@@ -37,6 +37,10 @@ namespace SqlSugar
         {
             throw new NotSupportedException("Can only be used in expressions");
         }
+        public static int RowCount(object countFiledName,object orderByField, object partitionBy)
+        {
+            throw new NotSupportedException("Can only be used in expressions");
+        }
         public static int RowCount()
         {
             throw new NotSupportedException("Can only be used in expressions");
@@ -45,18 +49,34 @@ namespace SqlSugar
         {
             throw new NotSupportedException("Can only be used in expressions");
         }
+        public static TRestult RowSum<TRestult>(TRestult filedName, object orderByField, object partitionBy)
+        {
+            throw new NotSupportedException("Can only be used in expressions");
+        }
         public static TRestult RowMax<TRestult>(TRestult filedName)
         {
             throw new NotSupportedException("Can only be used in expressions");
         }
+        public static TRestult RowMax<TRestult>(TRestult filedNameobject,object orderByField, object partitionBy)
+        {
+            throw new NotSupportedException("Can only be used in expressions");
+        }
         public static TRestult RowMin<TRestult>(TRestult filedName)
         {
             throw new NotSupportedException("Can only be used in expressions");
         }
+        public static TRestult RowMin<TRestult>(TRestult filedName, object orderByField, object partitionBy)
+        {
+            throw new NotSupportedException("Can only be used in expressions");
+        }
         public static TRestult RowAvg<TRestult>(TRestult filedName)
         {
             throw new NotSupportedException("Can only be used in expressions");
         }
+        public static TRestult RowAvg<TRestult>(TRestult filedName, object orderByField, object partitionBy)
+        {
+            throw new NotSupportedException("Can only be used in expressions");
+        }
         public static string JsonField(object json,string fieldName)
         {
             throw new NotSupportedException("Can only be used in expressions");