diff --git a/aliyun-oss-wordpress.php b/aliyun-oss-wordpress.php
index 34aebda..9961fd7 100644
--- a/aliyun-oss-wordpress.php
+++ b/aliyun-oss-wordpress.php
@@ -457,7 +457,7 @@ function oss_read_dir_queue($homePath, $uploadPath)
     $foundFiles = [];
 
     while (!$dirsToProcess->isEmpty()) {
-        list($currentDir, $relativeDir) = $dirsToProcess->dequeue();
+        [$currentDir, $relativeDir] = $dirsToProcess->dequeue();
 
         foreach (new DirectoryIterator($currentDir) as $fileInfo) {
             if ($fileInfo->isDot()) continue;
diff --git a/readme.txt b/readme.txt
index 9398ddc..153bf88 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Donate link: https://qq52o.me/sponsor.html
 Tags: oss, 阿里云, 对象存储, aliyun
 Requires at least: 4.6
 Tested up to: 6.5
-Requires PHP: 7.0
+Requires PHP: 7.1
 Stable tag: 1.4.13
 License: Apache2.0
 License URI: http://www.apache.org/licenses/LICENSE-2.0.html