diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_BaseDateFomat.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_BaseDateFomat.cs
index 3100e4253..c45d8a676 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_BaseDateFomat.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/MethodCallExpressionResolve_BaseDateFomat.cs
@@ -278,7 +278,8 @@ namespace SqlSugar
         }
         private bool IsOracle()
         {
-            return this.Context is OracleExpressionContext;
+            return this.Context is OracleExpressionContext
+                   || this.Context is DmExpressionContext;
         }
     }
 }