fix bug

app/controllers/poll_questions_controller.rb

@@ -202,8 +202,8 @@ class PollQuestionsController < ApplicationController
             if opr.to_s == "up"
               last_q_p = @poll.poll_questions.last_poll(current_q_p)  #当前问题的前一个问题
               if last_q_p.present?
-                @poll_question.update_attribute("question_number", (current_q_p - 1))
                 last_q_p.update_attribute("question_number", current_q_p) # 重新获取当前问题的位置
+                @poll_question.update_attribute("question_number", (current_q_p - 1))
                 normal_status(0, "问题上移成功！")
               else
                 normal_status(-1, "移动失败，已经是第一个问题了！")
@@ -211,8 +211,8 @@ class PollQuestionsController < ApplicationController
             elsif opr.to_s == "down"
               next_q_p = @poll.poll_questions.next_poll(current_q_p)  #当前问题的后一个问题
               if next_q_p.present?
-                @poll_question.update_attribute("question_number", (current_q_p + 1))
                 next_q_p.update_attribute("question_number", current_q_p)
+                @poll_question.update_attribute("question_number", (current_q_p + 1))
                 normal_status(0, "问题下移成功！")
               else
                 normal_status(-1, "移动失败，已经是最后一个问题了！")