From 6273da8ab101a09f47e79b6be55ebbf534430e05 Mon Sep 17 00:00:00 2001
From: sunkaixuna <610262374@qq.com>
Date: Thu, 5 Aug 2021 21:15:08 +0800
Subject: [PATCH] -

---
 .../SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs    | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
index f83a2c8a0..f06d91048 100644
--- a/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Abstract/SqlBuilderProvider/QueryBuilder.cs
@@ -478,11 +478,15 @@ namespace SqlSugar
         }
         public string GetSqlQuerySql(string result)
         {
+            var old = result;
             if (this.IsSqlQuery && (Skip == null && Take == null))
             {
                 result = System.Text.RegularExpressions.Regex.Match(result, @"^SELECT .* FROM  \(((.|\n|\r)*)\) t  $").Groups[1].Value;
             }
-
+            if (string.IsNullOrEmpty(result)) 
+            {
+                result = old;
+            }
             return result;
         }
         #endregion