diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Dm/SqlBuilder/DmExpressionContext.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Dm/SqlBuilder/DmExpressionContext.cs
index 7f4c3cf8d..12c305e9f 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Dm/SqlBuilder/DmExpressionContext.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Dm/SqlBuilder/DmExpressionContext.cs
@@ -54,18 +54,25 @@ namespace SqlSugar
     }
     public partial class DmMethod : DefaultDbMethod, IDbMethods
     { 
+
         public override string WeekOfYear(MethodCallExpressionModel mode)
         {
             var parameterNameA = mode.Args[0].MemberName;
             return $"TO_NUMBER(TO_CHAR({parameterNameA}, 'WW')) ";
         }
         public override string ParameterKeyWord { get; set; } = ":";
+        public string ForXmlPathLast;
+        public override string GetForXmlPath()
+        {
+            return "  GROUP BY  "+ ForXmlPathLast;
+        }
         public override string GetStringJoinSelector(string result, string separator)
         {
             if (result.ObjToString().Trim().StartsWith("DISTINCT ", StringComparison.OrdinalIgnoreCase))
             {
                 int index = result.IndexOf(result, StringComparison.Ordinal); // 找到去掉前缀空格后的位置
                 result = result.Substring(index + 9); // 9 是 "DISTINCT " 的长度
+                ForXmlPathLast = result;
                 return $"listagg(to_char(max({result})),'{separator}') within group(order by max({result})) ";
             }
             else