diff --git a/library/think/db/Query.php b/library/think/db/Query.php
index 9eef65cb..13b39a44 100644
--- a/library/think/db/Query.php
+++ b/library/think/db/Query.php
@@ -704,7 +704,7 @@ class Query
     {
         // 传入的表名为数组
         if (is_array($join)) {
-            $talbe = key($join);
+            $table = key($join);
             $alias = current($join);
         } else {
             $join = trim($join);