用户注册id 随机2

app/model/User.php

@@ -49,7 +49,7 @@ class User extends Model
             'register_time' => date("Y-m-d H:i:s",time())
         ];
         if ($lastId) {
-            $rand = rand(2,50);
+            $rand = rand(5,50);
             $save['id'] = $lastId + $rand;
         }
         $User->save($save);