diff --git a/Src/Asp.Net/OracleTest/Demo/Demo1_Queryable.cs b/Src/Asp.Net/OracleTest/Demo/Demo1_Queryable.cs
index 6a02e2550..3a74eab08 100644
--- a/Src/Asp.Net/OracleTest/Demo/Demo1_Queryable.cs
+++ b/Src/Asp.Net/OracleTest/Demo/Demo1_Queryable.cs
@@ -124,6 +124,14 @@ namespace OrmTest
             Console.WriteLine("#### SqlFunc Start ####");
             var db = GetInstance();
             var index= db.Queryable<Order>().Select(it => SqlFunc.CharIndex("a", "cccacc")).First();
+            var dt = DateTime.Now.Date;
+            var list2 = db.Queryable<Order>()
+                .Where(it =>   SqlFunc.ToDateShort(it.CreateTime) == DateTime.Now.Date)
+                .Select(it=> new {
+                     date= SqlFunc.ToDateShort(it.CreateTime),
+                     datetime=it.CreateTime
+                })
+               .ToList();
 
             Console.WriteLine("#### SqlFunc  End ####");
         }
diff --git a/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs b/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs
index 92220fd78..0e9bc63a7 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs
@@ -174,7 +174,12 @@ namespace SqlSugar
         public override string ToDate(MethodCallExpressionModel model)
         {
             var parameter = model.Args[0];
-            return string.Format(" to_date({0},'yyyy-mm-dd hh24:mi:ss')", parameter.MemberName);
+            return string.Format(" cast({0} as TIMESTAMP)", parameter.MemberName);
+        }
+        public override string ToDateShort(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            return string.Format("  TRUNC({0},'dd') ", parameter.MemberName);
         }
         public override string Contains(MethodCallExpressionModel model)
         {