From 1b94adfb2be6f51115aa23fcf3e4d489c2f865ff Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Thu, 7 Dec 2017 14:32:23 +0800
Subject: [PATCH] =?UTF-8?q?=E6=94=B9=E8=BF=9B?=
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---
 library/think/db/Query.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 7f70b736..9eef65cb 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -727,7 +727,7 @@ class Query
                 }
             }
         }
-        if (isset($alias)) {
+        if (isset($alias) && $table != $alias) {
             if (isset($this->options['alias'][$table])) {
                 $table = $table . '@think' . uniqid();
             }