From b8ffa5e852448c3951edaad465bb6efa9b292bde Mon Sep 17 00:00:00 2001
From: sunkaixuan <610262374@qq.com>
Date: Fri, 22 Apr 2022 21:00:01 +0800
Subject: [PATCH] Update exp  to sql

---
 .../ExpressionsToSql/ResolveItems/BaseResolve.cs         | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve.cs b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve.cs
index bd951710a..fbfa7c591 100644
--- a/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve.cs
+++ b/Src/Asp.Net/SqlSugar/ExpressionsToSql/ResolveItems/BaseResolve.cs
@@ -612,7 +612,14 @@ namespace SqlSugar
                 {
                     first = first.Split('(').Last().Trim();
                 }
-                result.Add(first,last);
+                if (!result.ContainsKey(first))
+                {
+                    result.Add(first, last);
+                }
+                else 
+                {
+                    Check.ExceptionEasy("Expression parsing error. Same Key exists at multiple levels", "表达式解析出错，多层级存在相同的Key ");
+                }
             }
             return result; ;
         }