-

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