证书

app/models/user/Cert.php

@@ -29,10 +29,11 @@ class Cert extends BaseModel
     protected $name = 'cert';
 
     public static $level = [
-        '1' => '低级',
-        '2' => '中级',
-        '3' => '高级',
-        '4' => '特级',
+        0 => '无',
+        1 => '低级',
+        2 => '中级',
+        3 => '高级',
+        4 => '特级',
     ];