问卷选择其他选项报错

app/controllers/poll_votes_controller.rb

@@ -57,6 +57,8 @@ class PollVotesController < ApplicationController
                 :vote_text => question_answer_text
               }
               PollVote.create(answer_option)
+              # 重新取一次poll_votes
+              user_votes = @poll_question.poll_votes.find_current_vote("user_id",current_user.id)
             end
             # if current_vote_text.present?   #已有其他输入文字的选项
             #   current_vote_text.update_attribute("vote_text", question_answer_text)