Merge pull request #821 from hardywu/master

fix(base64img): correct file permission for nginx

app/Http/Controllers/Controller.php

@@ -317,11 +317,12 @@ class Controller extends BaseController
             $directory = date('Ymd');
             $path = '/assets/images/qrcode/' . $directory . '/';
             if (!file_exists(public_path($path))) { //检查是否有该文件夹，如果没有就创建，并给予最高权限
-                mkdir(public_path($path), 0700, true);
+                mkdir(public_path($path), 0755, true);
             }
 
             $fileName = makeRandStr(18, true) . ".{$type}";
             if (file_put_contents(public_path($path . $fileName), base64_decode(str_replace($result[1], '', $base64_image_content)))) {
+                chmod(public_path($path . $fileName), 0744);
                 return $path . $fileName;
             } else {
                 return '';