diff --git a/app/controllers/poll_questions_controller.rb b/app/controllers/poll_questions_controller.rb
index bb048fe2b..411961e96 100644
--- a/app/controllers/poll_questions_controller.rb
+++ b/app/controllers/poll_questions_controller.rb
@@ -247,9 +247,9 @@ class PollQuestionsController < ApplicationController
     elsif params[:question_type] == 3 && (params[:question_answers] || params[:question_other_answer])
       normal_status(-1, "主观问题不需要可选答案！")
     elsif params[:question_type] != 3
-      if params[:question_answers].present? && params[:question_answers].include?("")
-        normal_status(-1, "选择题不能有空值！")
-      elsif params[:question_other_answer].present? && params[:question_other_answer].length > 0
+      if params[:question_answers].present? && params[:question_answers].select{|answer| answer.blank?}.count > 0
+        normal_status(-1, "选项不能有空值！")
+      elsif params[:question_other_answer].present? && !params[:question_other_answer].blank?
         normal_status(-1, "其他选项不能有值！")
       elsif params[:question_type] == 1 && params[:question_answers].count < 2
         normal_status(-1, "单选题选项不能小于2！")