diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
index 5b0c0c577..d90c9afb9 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/DbMethods/DefaultDbMethod.cs
@@ -552,5 +552,9 @@ namespace SqlSugar
             var parameter4 = model.Args[3];
             return $" STUFF ({parameter1.MemberName}, {parameter2.MemberName}, {parameter3.MemberName},  {parameter4.MemberName}) ";
         }
+        public string GetDateString(string dateValue) 
+        {
+            return null;
+        }
     }
 }
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/DbMethods/IDbMethods.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/DbMethods/IDbMethods.cs
index d81e8af07..01aea3681 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/DbMethods/IDbMethods.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/DbMethods/IDbMethods.cs
@@ -86,5 +86,6 @@ namespace SqlSugar
         string Asc(MethodCallExpressionModel model);
         string Desc(MethodCallExpressionModel model);
         string Stuff(MethodCallExpressionModel model);
+        string GetDateString(string dateValue);
     }
 }
diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
index 3ffa6fb7f..dd75c9233 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
@@ -325,8 +325,16 @@ namespace SqlSugar
                     {
                         var format = (args[0] as ConstantExpression).Value + "";
                         var value = GetNewExpressionValue(express.Object);
-                        var dateString = GeDateFormat(format, value);
-                        base.AppendValue(parameter, isLeft, dateString);
+                        var dateString2=this.Context.DbMehtods.GetDateString(value);
+                        if (dateString2 == null)
+                        {
+                            var dateString = GeDateFormat(format, value);
+                            base.AppendValue(parameter, isLeft, dateString);
+                        }
+                        else 
+                        {
+                            base.AppendValue(parameter, isLeft, dateString2);
+                        }
                     }
                     else 
                     {
@@ -900,6 +908,8 @@ namespace SqlSugar
                     case "ToString":
                         if (model.Args.Count > 1)
                         {
+                            var dateString2 = this.Context.DbMehtods.GetDateString(model.Args.First().MemberName.ObjToString());
+                            if (dateString2 != null) return dateString2;
                             return GeDateFormat(model.Args.Last().MemberValue.ObjToString(), model.Args.First().MemberName.ObjToString());
                         }
                         //Check.Exception(model.Args.Count > 1, "ToString (Format) is not supported, Use ToString().If time formatting can be used it.Date.Year+\"-\"+it.Data.Month+\"-\"+it.Date.Day ");