diff --git a/app/controllers/polls_controller.rb b/app/controllers/polls_controller.rb
index 5aecaadb0..4348b3bfc 100644
--- a/app/controllers/polls_controller.rb
+++ b/app/controllers/polls_controller.rb
@@ -911,7 +911,7 @@ class PollsController < ApplicationController
         end
         error_question = error_question.reject(&:blank?)
         if error_question.reject(&:blank?).length > 0
-          normal_status(-1, "#{error_question.join("\n")}")
+          normal_status(-1, "#{error_question.join("；")}")
         else
           poll_user_current = @poll.poll_users.find_by_group_ids(current_user.id).first
           poll_user_params = {
diff --git a/public/react/src/modules/courses/poll/pollStyle.css b/public/react/src/modules/courses/poll/pollStyle.css
index 360315e03..a486101cd 100644
--- a/public/react/src/modules/courses/poll/pollStyle.css
+++ b/public/react/src/modules/courses/poll/pollStyle.css
@@ -113,7 +113,7 @@
   text-align: left;
 }
 .percentForm{
-  width: 340px;
+  width: 330px;
   height: 11px;
   background: #F5F5F5;
   border-radius: 6px;