diff --git a/app/controllers/cooperative/base_controller.rb b/app/controllers/cooperative/base_controller.rb
index 5ab08582d..556cd7aa9 100644
--- a/app/controllers/cooperative/base_controller.rb
+++ b/app/controllers/cooperative/base_controller.rb
@@ -16,7 +16,7 @@ class Cooperative::BaseController < ApplicationController
   private
 
   def current_laboratory
-    @_current_laboratory ||= Laboratory.find_by_subdomain('hut' || request.subdomain)
+    @_current_laboratory ||= Laboratory.find_by_subdomain(request.subdomain)
   end
 
   def current_setting_or_default(name)
diff --git a/app/helpers/exercises_helper.rb b/app/helpers/exercises_helper.rb
index bacb95309..33d61d203 100644
--- a/app/helpers/exercises_helper.rb
+++ b/app/helpers/exercises_helper.rb
@@ -164,7 +164,7 @@ module ExercisesHelper
           question_answer_infos.push(answer_option)
         end
       elsif ex.question_type == Exercise::COMPLETION  #填空题
-        effictive_users_count = effictive_users.pluck(:user_id).uniq.size
+        effictive_users_count = effictive_users.where("answer_text is not null").pluck(:user_id).uniq.size
         ex_ordered = ex.is_ordered
         null_standard_answer = ex.exercise_standard_answers
         null_stand_choice = null_standard_answer.pluck(:exercise_choice_id)  #一个exercise_choice_id可能对应多个answer_text
@@ -214,7 +214,7 @@ module ExercisesHelper
 
         # percent = commit_user_ids > 0 ? (all_user_count / commit_user_ids.to_f).round(3)*100 : 0.0
         user_right_count = effictive_users.where("score > 0.0").pluck(:user_id).uniq
-        user_wrong_counts = effictive_users.where("score < 0.0").pluck(:user_id).uniq
+        user_wrong_counts = effictive_users.where("score < 0.0 and answer_text is not null").pluck(:user_id).uniq
         user_wrong_count = (user_wrong_counts - user_right_count).size
 
         if effictive_users_count > 0 && user_wrong_count >= 0
diff --git a/app/helpers/polls_helper.rb b/app/helpers/polls_helper.rb
index 03210fccd..866d28254 100644
--- a/app/helpers/polls_helper.rb
+++ b/app/helpers/polls_helper.rb
@@ -13,7 +13,7 @@ module PollsHelper
   end
 
   def poll_votes_count(votes,user_ids)
-    votes.find_current_vote("user_id",user_ids.uniq).reject(&:blank?).size
+    votes.find_current_vote("user_id",user_ids.uniq).pluck(:user_id).uniq.reject(&:blank?).size
   end
 
   #公用tab页的相关信息
diff --git a/app/views/polls/commit_result.json.jbuilder b/app/views/polls/commit_result.json.jbuilder
index 795d609a7..f5e983acf 100644
--- a/app/views/polls/commit_result.json.jbuilder
+++ b/app/views/polls/commit_result.json.jbuilder
@@ -14,7 +14,7 @@ if @poll_questions_count > 0
     json.array! @poll_questions do |question|
       json.partial! "polls/commit_answers_result", question: question,
                     answers:question.poll_answers,
-                    question_votes:question.poll_votes.where(user_id:@poll_commit_ids)    #问题的全部答案
+                    question_votes: question.poll_votes.where(user_id:@poll_commit_ids)    #问题的全部答案
     end
   end
 else
diff --git a/public/react/src/modules/courses/poll/PollDetailTabFirst.js b/public/react/src/modules/courses/poll/PollDetailTabFirst.js
index 07b9ee197..052382067 100644
--- a/public/react/src/modules/courses/poll/PollDetailTabFirst.js
+++ b/public/react/src/modules/courses/poll/PollDetailTabFirst.js
@@ -246,13 +246,13 @@ class PollDetailTabFirst extends Component{
       dataIndex: 'No',
       key: 'No',
       className:"edu-txt-center",
-      width:110
+      width:120
     }, {
       title: '姓名',
       dataIndex: 'name',
       key: 'name',
       className:"edu-txt-center",
-      width:160
+      width:170
     }, {
       title: '学号',
       dataIndex: 'StudentNo',
@@ -269,11 +269,11 @@ class PollDetailTabFirst extends Component{
       title: '分班',
       key: 'classes',
       dataIndex: 'classes',
-      width:160,
+      width:220,
       className:poll_types && poll_types.groups_count > 0 ? "edu-txt-center":"edu-txt-center none",
       render:(classes,item,index)=>{
         return(
-          item.classes ? <span>{item.classes}</span> : <span className="color-grey-9">--</span>
+          item.classes ? <span style={{maxWidth:'208px',display:"block"}} title={item.classes} className="task-hide">{item.classes}</span> : <span className="color-grey-9">--</span>
         )
       }
     }, {
@@ -281,7 +281,7 @@ class PollDetailTabFirst extends Component{
       dataIndex: 'status',
       key: 'status',
       className:"edu-txt-center",
-      width:160,
+      width:170,
       render:(status,item,index)=>{
         return(
           item.status == 1 ?<span className='color-green'>按时提交</span>:<span>未提交</span>
@@ -292,7 +292,7 @@ class PollDetailTabFirst extends Component{
       dataIndex: 'time',
 			key: 'time',
       className:"edu-txt-center",
-      width:160,
+      width:170,
 			sorter: true,
 			defaultSortOrder: 'descend',
 			sortDirections: sortDirections,
@@ -395,7 +395,7 @@ class PollDetailTabFirst extends Component{
 							{/*  </div>*/}
 							{/*}*/}
           </div>}
-						<div className="edu-table edu-back-white minH-560">
+						<div className="edu-table edu-back-white minH-560 pollResultList">
             {
 							data && data.length > 0 ? <Table columns={columns} dataSource={data} pagination={false}
 																							 onChange={this.table1handleChange}></Table> : <NoneData></NoneData>
diff --git a/public/react/src/modules/courses/poll/pollStyle.css b/public/react/src/modules/courses/poll/pollStyle.css
index 414d36ab1..5a5e9f76f 100644
--- a/public/react/src/modules/courses/poll/pollStyle.css
+++ b/public/react/src/modules/courses/poll/pollStyle.css
@@ -338,7 +338,9 @@ textarea:read-only{
   border:1px solid #FF0000;
   border-radius: 5px;
 }
-
+.pollResultList .ant-table-thead > tr > th,.pollResultList .ant-table-tbody > tr > td{
+  padding:15px 6px;
+}
 /* 试卷 */
 .setScoreInput{
   width: 60px!important;height: 30px!important;box-sizing: border-box;