diff --git a/app/controllers/api/v1/users_controller.rb b/app/controllers/api/v1/users_controller.rb
index 807efd5f3..f63400b03 100644
--- a/app/controllers/api/v1/users_controller.rb
+++ b/app/controllers/api/v1/users_controller.rb
@@ -1,5 +1,11 @@
 class Api::V1::UsersController < Api::V1::BaseController 
 
+  def check_user_id 
+    id = params[:user_id]
+    return tip_exception(-1, "用户ID不存在") unless User.exists?(id: id)
+    render_ok
+  end
+
   before_action :load_observe_user
   before_action :check_auth_for_observe_user
 
@@ -42,12 +48,6 @@ class Api::V1::UsersController < Api::V1::BaseController
     end
   end
 
-  def check_user_id 
-    id = params[:user_id]
-    return tip_exception(-1, "用户ID不存在") unless User.exists?(id: id)
-    render_ok
-  end
-
   def check_password 
     password = params[:password]
     return tip_exception(-5, "8~16位密码，支持字母数字和符号") unless password =~ CustomRegexp::PASSWORD