diff --git a/Src/Asp.Net/AccessTest/Demo/Demo1_Queryable.cs b/Src/Asp.Net/AccessTest/Demo/Demo1_Queryable.cs
index 8f3461488..3b139e5ab 100644
--- a/Src/Asp.Net/AccessTest/Demo/Demo1_Queryable.cs
+++ b/Src/Asp.Net/AccessTest/Demo/Demo1_Queryable.cs
@@ -121,7 +121,7 @@ namespace OrmTest
             //var test02 = db.Union(q1, q2).ToList();
             var test03 = db.Queryable<Order>().Take(1).ToList();
             var dp = DateTime.Now;
-            //var test05 = db.Queryable<Order>().Where(it => it.CreateTime.Month==  dp.Month).ToList();
+            var test05 = db.Queryable<Order>().Where(it => it.CreateTime.Month==  dp.Month).ToList();
             var test06 = db.Queryable<Order>()
                    .ToPivotTable(it => it.Id, it => it.Name, it => it.Sum(x => x.Price));
 
@@ -153,7 +153,7 @@ namespace OrmTest
               JoinType.Left, o.Name == SqlFunc.ToString(SqlFunc.MergeString(",", i.Name, ","))
             ))
             .Select<ViewOrder>().ToList();
-            var test16 = db.Queryable<Order>().Select(it => SqlFunc.SqlServer_DateDiff("day", DateTime.Now.AddDays(-1), DateTime.Now)).ToList();
+           // var test16 = db.Queryable<Order>().Select(it => SqlFunc.SqlServer_DateDiff("day", DateTime.Now.AddDays(-1), DateTime.Now)).ToList();
             var test17 =  
                db.Queryable<Order>()
                .Select<Order>()
diff --git a/Src/Asp.Net/AccessTest/Test.accdb b/Src/Asp.Net/AccessTest/Test.accdb
index 8394fe3a8..47b8c07fe 100644
Binary files a/Src/Asp.Net/AccessTest/Test.accdb and b/Src/Asp.Net/AccessTest/Test.accdb differ
diff --git a/Src/Asp.Net/SqlSugar.Access/Access/SqlBuilder/AccessExpressionContext.cs b/Src/Asp.Net/SqlSugar.Access/Access/SqlBuilder/AccessExpressionContext.cs
index ae8ee96f2..f30ecb5ec 100644
--- a/Src/Asp.Net/SqlSugar.Access/Access/SqlBuilder/AccessExpressionContext.cs
+++ b/Src/Asp.Net/SqlSugar.Access/Access/SqlBuilder/AccessExpressionContext.cs
@@ -20,6 +20,56 @@ namespace SqlSugar.Access
     }
     public partial class AccessMethod : DefaultDbMethod, IDbMethods
     {
+        public override string ToDate(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            return string.Format(" CDate({0}) ", parameter.MemberName);
+        }
+        public override string ToBool(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            return string.Format(" CDate({0}) ", parameter.MemberName);
+        }
+        public override string ToInt32(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            return string.Format(" CInt({0}) ", parameter.MemberName);
+        }
+        public override string ToString(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            return string.Format(" CVar({0}) ", parameter.MemberName);
+        }
+        public override string ToDateShort(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            return string.Format(" Format$({0},\"Long Date\") ", parameter.MemberName);
+        }
+        public override string DateValue(MethodCallExpressionModel model)
+        {
+            var type = "";
+            if (model.Args[1].MemberValue.ObjToString() == "Day") 
+            {
+                type = "d";
+            }
+            if (model.Args[1].MemberValue.ObjToString() == "Month")
+            {
+                type = "m";
+            }
+            if (model.Args[1].MemberValue.ObjToString() == "Year")
+            {
+                type = "yyyy";
+            }
+            if (model.Args[1].MemberValue.ObjToString() == DateType.Minute.ToString())
+            {
+                type = "M";
+            }
+            if (model.Args[1].MemberValue.ObjToString() == DateType.Second.ToString())
+            {
+                type = "s";
+            }
+            return "DATEPART(\""+ type + "\", date())";
+        }
         public override string GetRandom()
         {
             return " rnd() ";