diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/ExpressionTool.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/ExpressionTool.cs
index 8e001638a..4cbe78d11 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/ExpressionTool.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/Common/ExpressionTool.cs
@@ -469,6 +469,7 @@ namespace SqlSugar
                     additem.ShortName = member.Expression + "";
                     additem.RightName = member.Member.Name;
                     additem.RightDbName = context.GetDbColumnName(member.Type.Name, additem.RightName);
+                    additem.LeftNameName = member.Member.Name;
                     //additem.Value = "";
                     result.Add(additem);
                 }