diff --git a/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DmProvider.cs b/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DmProvider.cs
index 6741af5de..8a8800a13 100644
--- a/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DmProvider.cs
+++ b/Src/Asp.NetCore2/SqlSugar/Realization/Dm/DmProvider.cs
@@ -205,7 +205,7 @@ namespace SqlSugar
             return sqlParameter.Direction == ParameterDirection.Output && this.CommandType == CommandType.StoredProcedure;
         }
 
-        private static string[] KeyWord =new string []{ ":asc", "@asc", ":desc", "@desc","@month", ":month", ":day","@day","@group", ":group",":index", "@index", "@order", ":order", "@user", "@level", ":user", ":level",":type","@type", ":year", "@year" };
+        private static string[] KeyWord =new string []{ "@identity", ":identity", ":asc", "@asc", ":desc", "@desc","@month", ":month", ":day","@day","@group", ":group",":index", "@index", "@order", ":order", "@user", "@level", ":user", ":level",":type","@type", ":year", "@year" };
         private static string ReplaceKeyWordParameterName(string sql, SugarParameter[] parameters)
         {
             sql = ReplaceKeyWordWithAd(sql, parameters);