diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Common/ExpressionContextCase.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Common/ExpressionContextCase.cs
new file mode 100644
index 000000000..f3efd54c9
--- /dev/null
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/Common/ExpressionContextCase.cs
@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SqlSugar 
+{
+    public class ExpressionContextCase
+    {
+        public bool IsDateString { get; set; }
+    }
+}
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ExpressionContext.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ExpressionContext.cs
index c72a49c79..227d7245a 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ExpressionContext.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ExpressionContext.cs
@@ -19,6 +19,7 @@ namespace SqlSugar
         #endregion
 
         #region Properties
+        public virtual ExpressionContextCase  Case{ get; set; }
         public ExpressionOutParameter SugarContext { get; set; }
         public IDbMethods DbMehtods
         {
diff --git a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
index 9fb156454..555792b3c 100644
--- a/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
+++ b/Src/Asp.NetCore2/SqlSugar/ExpressionsToSql/ResolveItems/MemberExpressionResolve.cs
@@ -517,7 +517,14 @@ namespace SqlSugar
             var isConst = parameter.CommonTempData.GetType() == UtilConstants.DateType;
             if (isConst)
             {
-                AppendValue(parameter, isLeft, parameter.CommonTempData.ObjToDate().Date);
+                if (this.Context?.Case?.IsDateString==true)
+                {
+                    AppendMember(parameter, isLeft, GetToDateShort("'" + parameter.CommonTempData.ObjToDate().Date.ToString("yyyy-MM-dd") + "'"));
+                }
+                else
+                {
+                    AppendValue(parameter, isLeft, parameter.CommonTempData.ObjToDate().Date);
+                }
             }
             else
             {
diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteExpressionContext.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteExpressionContext.cs
index 711b6bc39..ff8e14f84 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteExpressionContext.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Sqlite/SqlBuilder/SqliteExpressionContext.cs
@@ -4,6 +4,9 @@ namespace SqlSugar
 {
     public class SqliteExpressionContext : ExpressionContext, ILambdaExpressions
     {
+        public override ExpressionContextCase Case { get; set; } = new ExpressionContextCase() { 
+         IsDateString= true,
+        };
         public SqlSugarProvider Context { get; set; }
         public SqliteExpressionContext()
         {