diff --git a/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs b/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs
index 1766ae9e0..7b9e7b60c 100644
--- a/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/Oracle/SqlBuilder/OracleExpressionContext.cs
@@ -40,6 +40,30 @@ namespace SqlSugar
     }
     public partial class OracleMethod : DefaultDbMethod, IDbMethods
     {
+        public override string DateValue(MethodCallExpressionModel model)
+        {
+            var parameter = model.Args[0];
+            var parameter2 = model.Args[1];
+            var type = (DateType)Enum.Parse(typeof(DateType), parameter2.MemberValue.ObjToString(), false);
+            switch (type)
+            {
+                case DateType.Year:
+                    return string.Format("(CAST(TO_CHAR({0},'yyyy') AS NUMBER)",parameter.MemberName);
+                case DateType.Month:
+                    return string.Format("(CAST(TO_CHAR({0},'mm') AS NUMBER)", parameter.MemberName);
+                case DateType.Hour:
+                    return string.Format("(CAST(TO_CHAR({0},'hh24') AS NUMBER)", parameter.MemberName);
+                case DateType.Second:
+                    return string.Format("(CAST(TO_CHAR({0},'ss') AS NUMBER)", parameter.MemberName);
+                case DateType.Minute:
+                    return string.Format("(CAST(TO_CHAR({0},'mi') AS NUMBER)", parameter.MemberName);
+                case DateType.Millisecond:
+                    return string.Format("(CAST(TO_CHAR({0},'ff3') AS NUMBER)", parameter.MemberName);
+                case DateType.Day:
+                default:
+                    return string.Format("(CAST(TO_CHAR({0},'dd') AS NUMBER)", parameter.MemberName);
+            }
+        }
         public override string DateAddByType(MethodCallExpressionModel model)
         {
             var parameter = model.Args[0];