edit

task/src/User.php

@@ -183,7 +183,9 @@ class User extends Base
         if (!$avatar) {
             # 设置默认头像
             $config = Dever::db('main/config-one');
-            Dever::setInput('avatar', $config['avatar']);
+            if ($config['avatar']) {
+                Dever::setInput('avatar', $config['avatar']);
+            }
         }
 
         Dever::load('passport/user')->updateInfo();