fix: readme hidden

common.php

@@ -347,14 +347,14 @@ function main($path)
         if ($path1!='/'&&substr($path1,-1)=='/') $path1=substr($path1, 0, -1);
         $files = $drive->list_files($path1);
     }
+
+    if ($_GET['json']) {
+        // return a json
         if ($files['type']=='folder' && !$_SERVER['admin']) {
             foreach ($files['list'] as $k => $v) {
                 if (isHideFile($k)) unset($files['list'][$k]);
             }
         }
-
-    if ($_GET['json']) {
-        // return a json
         return output(json_encode($files), 200, ['Content-Type' => 'application/json']);
     }
     // random file