diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/SugarParameter.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/SugarParameter.cs
index 353db9dd0..630c8321e 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/SugarParameter.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/SugarParameter.cs
@@ -49,7 +49,7 @@ namespace SqlSugar
             }
             else if (type == PubConst.DateType)
             {
-                this.DbType = System.Data.DbType.Date;
+                this.DbType = System.Data.DbType.DateTime;
             }
             else if (type == PubConst.DobType)
             {