diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
index f6db014f2..08ec4abac 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve.cs
@@ -351,6 +351,7 @@ namespace SqlSugar
                 case "ToTime":
                     return this.Context.DbMehtods.ToTime(model);
                 case "ToString":
+                    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 ");
                     return this.Context.DbMehtods.ToString(model);
                 case "ToDecimal":
                     return this.Context.DbMehtods.ToDecimal(model);
diff --git a/Src/Asp.Net/SqlSugar/SqlSugar.nuspec b/Src/Asp.Net/SqlSugar/SqlSugar.nuspec
index df9458136..30b8d05d3 100644
--- a/Src/Asp.Net/SqlSugar/SqlSugar.nuspec
+++ b/Src/Asp.Net/SqlSugar/SqlSugar.nuspec
@@ -2,7 +2,7 @@
 <package >
   <metadata>
     <id>sqlSugar</id>
-    <version>4.5</version>
+    <version>4.5.0.1</version>
     <title>SqlSugar Best ORM Fastest ORM Simple Easy ORM</title>
     <authors>sun kaixuan</authors>
     <owners>landa</owners>