Update common.php

function/common.php

@@ -244,7 +244,6 @@ function message($message, $title = 'Message', $statusCode = 200)
 
 function needUpdate()
 {
-    if ($_SERVER['admin']) {
     $current_ver = file_get_contents(__DIR__ . '/../version');
     $current_ver = substr($current_ver, strpos($current_ver, '.')+1);
     $current_ver = explode(urldecode('%0A'),$current_ver)[0];
@@ -257,7 +256,6 @@ function needUpdate()
         $_SERVER['github_version'] = $github_version;
         return 1;
     }
-    }
     return 0;
 }