diff --git a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLQueryBuilder.cs b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLQueryBuilder.cs
index 5f4b4674c..22231800e 100644
--- a/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLQueryBuilder.cs
+++ b/Src/Asp.Net/SqlSugar/Realization/PostgreSQL/SqlBuilder/PostgreSQLQueryBuilder.cs
@@ -31,7 +31,7 @@ namespace SqlSugar
         #region Common Methods
         public override bool IsComplexModel(string sql)
         {
-            return Regex.IsMatch(sql, @"AS \w+\.\w+");
+            return Regex.IsMatch(sql, @"AS ""\w+\.\w+""");
         }
         public override string ToSqlString()
         {