diff --git a/bootstrap/chkenv.php b/bootstrap/chkenv.php
index 2017209a..44ee4358 100644
--- a/bootstrap/chkenv.php
+++ b/bootstrap/chkenv.php
@@ -40,11 +40,12 @@
             'bootstrap/cache',
             'storage',
             'plugins',
+            'public',
         ],
     ];
 
     foreach ($requirements['extensions'] as $extension) {
-        if (! extension_loaded($extension)) {
+        if (!extension_loaded($extension)) {
             die_with_utf8_encoding(
                 "[Error] You have not installed the $extension extension <br>".
                 "[错误] 你尚未安装 $extension 扩展！安装方法请自行搜索。"
@@ -55,14 +56,14 @@
     foreach ($requirements['write_permission'] as $dir) {
         $realPath = realpath(__DIR__."/../$dir");
 
-        if (! is_writable($realPath)) {
+        if (!is_writable($realPath)) {
             die_with_utf8_encoding(
                 "[Error] The directory '$dir' is not writable. <br>".
                 "[错误] 目录 '$dir' 不可写，请检查该目录的权限。"
             );
         }
 
-        if (! is_writable($realPath)) {
+        if (!is_writable($realPath)) {
             die_with_utf8_encoding(
                 "[Error] The program lacks write permission to directory '$dir' <br>".
                 "[错误] 程序缺少对 '$dir' 目录的写权限，请手动授权。"