Update 2020-11-05-admin-business.markdown

CJayHe · web-flow · commit ba3546447900 · 2021-12-14T09:59:53.000+08:00
diff --git a/_posts/doc/module/2020-11-05-admin-business.markdown b/_posts/doc/module/2020-11-05-admin-business.markdown
@@ -203,7 +203,7 @@ proxy_send_timeout       9000s;
    **文件夹权限**
 
 ```shell
-sudo chmod -R 777 public/upload/
+sudo chmod -R 755 public/upload/
 ```
 
 > 后台超级管理员账号密码
