diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 9a6cd3f7..7f70b736 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -704,7 +704,8 @@ class Query
     {
         // 传入的表名为数组
         if (is_array($join)) {
-            list($table, $alias) = $join;
+            $talbe = key($join);
+            $alias = current($join);
         } else {
             $join = trim($join);
             if (false !== strpos($join, '(')) {