diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
index 41a33e48d..91de6efd0 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
@@ -28,6 +28,18 @@ namespace SqlSugar
         {
              return "SUM(" + model.Args[0].MemberName +") over()";
         }
+        public string RowAvg(MethodCallExpressionModel model)
+        {
+            return "AVG(" + model.Args[0].MemberName + ") over()";
+        }
+        public string RowMin(MethodCallExpressionModel model)
+        {
+            return "Min(" + model.Args[0].MemberName + ") over()";
+        }
+        public string RowMax(MethodCallExpressionModel model)
+        {
+            return "Max(" + model.Args[0].MemberName + ") over()";
+        }
         public virtual string IIF(MethodCallExpressionModel model)
         {
             var parameter = model.Args[0];
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/IDbMethods.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/IDbMethods.cs
index 802add685..35adff053 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/IDbMethods.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/IDbMethods.cs
@@ -91,6 +91,9 @@ namespace SqlSugar
         string RowNumber(MethodCallExpressionModel model);
         string RowCount(MethodCallExpressionModel model);
         string RowSum(MethodCallExpressionModel model);
+        string RowMin(MethodCallExpressionModel model);
+        string RowMax(MethodCallExpressionModel model);
+        string RowAvg(MethodCallExpressionModel model);
         string Exists(MethodCallExpressionModel model);
         string GetDateString(string dateValue,string format);
         string GetForXmlPath();
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/SqlFunc.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/SqlFunc.cs
index 72ec42e01..1ce466d86 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/SqlFunc.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/DbMethods/SqlFunc.cs
@@ -41,7 +41,18 @@ namespace SqlSugar
         {
             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 RowMin<TRestult>(TRestult filedName)
+        {
+            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 string JsonField(object json,string fieldName)
         {
             throw new NotSupportedException("Can only be used in expressions");
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
index d6a40cc02..9d1ab3dfe 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_Helper.cs
@@ -792,6 +792,12 @@ namespace SqlSugar
                         return this.Context.DbMehtods.RowCount(model);
                     case "RowSum":
                         return this.Context.DbMehtods.RowSum(model);
+                    case "RowMax":
+                        return this.Context.DbMehtods.RowMax(model);
+                    case "RowMin":
+                        return this.Context.DbMehtods.RowMin(model);
+                    case "RowAvg":
+                        return this.Context.DbMehtods.RowAvg(model);
                     case "Exists":
                         if (model.Args.Count > 1)
                         {