diff --git a/app/views/exercise/_exercise_student.html.erb b/app/views/exercise/_exercise_student.html.erb
index d361c200..add9d655 100644
--- a/app/views/exercise/_exercise_student.html.erb
+++ b/app/views/exercise/_exercise_student.html.erb
@@ -164,7 +164,7 @@
         <% if exercise_question.question_type == 5 %>
           <p class="pl15 pr15 mb10"><%= exercise_question.shixun.name %></p>
         <% end %>
-        <div class="pl15 pr15 justify upload_img table_maxWidth break_word"><%= sanitize exercise_question.question_title %></div>
+        <div class="pl15 pr15 justify upload_img table_maxWidth break_word"><%= exercise_question.question_title.html_safe %></div>
         <% case exercise_question.question_type %>
         <% when 1 %>
           <div class="pl15 pr15 mb15">
diff --git a/app/views/exercise/_exercise_student_result.html.erb b/app/views/exercise/_exercise_student_result.html.erb
index b5336cdb..0dd656be 100644
--- a/app/views/exercise/_exercise_student_result.html.erb
+++ b/app/views/exercise/_exercise_student_result.html.erb
@@ -142,7 +142,7 @@
         <% if exercise_question.question_type == 5 %>
           <p class="pl15 pr15 mb10"><%= exercise_question.shixun.name %></p>
         <% end %>
-        <div class="pl15 pr15 justify upload_img table_maxWidth break_word"><%= sanitize exercise_question.question_title %></div>
+        <div class="pl15 pr15 justify upload_img table_maxWidth break_word"><%= exercise_question.question_title.html_safe %></div>
         <% case exercise_question.question_type %>
         <% when 1 %>
           <div class="pl15 pr15 mb15">
diff --git a/app/views/exercise/_show_MC.html.erb b/app/views/exercise/_show_MC.html.erb
index 993369af..8461374a 100644
--- a/app/views/exercise/_show_MC.html.erb
+++ b/app/views/exercise/_show_MC.html.erb
@@ -15,7 +15,7 @@
         </p>
     <% end %>
   </div>
-  <div class="pl15 pr15 justify upload_img table_maxWidth break_word"><%= sanitize exercise_question.question_title%></div>
+  <div class="pl15 pr15 justify upload_img table_maxWidth break_word"><%= exercise_question.question_title.html_safe%></div>
   <div class="pl15 pr15 mb10">
     <% exercise_question.exercise_choices.reorder("choice_position").each_with_index do |exercise_choice,index| %>
         <li class="clearfix">
diff --git a/app/views/exercise/_show_MCQ.html.erb b/app/views/exercise/_show_MCQ.html.erb
index a778abb3..e1767b3b 100644
--- a/app/views/exercise/_show_MCQ.html.erb
+++ b/app/views/exercise/_show_MCQ.html.erb
@@ -15,7 +15,7 @@
         </p>
     <% end %>
   </div>
-  <div class="pl15 pr15 justify upload_img table_maxWidth break_word"><%= sanitize exercise_question.question_title %></div>
+  <div class="pl15 pr15 justify upload_img table_maxWidth break_word"><%= exercise_question.question_title.html_safe %></div>
   <div class="pl15 pr15 mb10">
     <% exercise_question.exercise_choices.reorder("choice_position").each_with_index do |exercise_choice,index| %>
         <li class="clearfix">
diff --git a/app/views/exercise/_show_multi.html.erb b/app/views/exercise/_show_multi.html.erb
index 2512123f..71623bf8 100644
--- a/app/views/exercise/_show_multi.html.erb
+++ b/app/views/exercise/_show_multi.html.erb
@@ -15,7 +15,7 @@
         </p>
     <% end %>
   </div>
-  <div class="pl15 pr15 justify upload_img table_maxWidth break_word"><%= sanitize exercise_question.question_title %></div>
+  <div class="pl15 pr15 justify upload_img table_maxWidth break_word"><%= exercise_question.question_title.html_safe %></div>
   <div class="clearfix bor-top-greyE padding15 answer_con">
     <p>参考答案：</p>
     <div class="justify font-14" style="padding: 0; padding-left: 10px;" id="exercise_answer_text_<%= exercise_question.id %>">
diff --git a/app/views/exercise/_show_single.html.erb b/app/views/exercise/_show_single.html.erb
index 675ed49f..0c601f63 100644
--- a/app/views/exercise/_show_single.html.erb
+++ b/app/views/exercise/_show_single.html.erb
@@ -15,7 +15,7 @@
         </p>
     <% end %>
   </div>
-  <div class="pl15 pr15 justify upload_img table_maxWidth break_word"><%= sanitize exercise_question.question_title %></div>
+  <div class="pl15 pr15 justify upload_img table_maxWidth break_word"><%= exercise_question.question_title.html_safe %></div>
   <div class="pl15 pr15 pt10 pb10 bor-top-greyE">
     <% exercise_question.exercise_standard_answers.reorder("created_at").each_with_index do |exercise_choice,index| %>
       <span class="">候选答案<%= convert_to_chi_num(index+1) %>：</span>
diff --git a/app/views/exercise/student_exercise_list.html.erb b/app/views/exercise/student_exercise_list.html.erb
index d47db23a..3632b4d7 100644
--- a/app/views/exercise/student_exercise_list.html.erb
+++ b/app/views/exercise/student_exercise_list.html.erb
@@ -259,7 +259,7 @@
                 <p class="pl15 pr15 mb10"><%= exercise_question.shixun.name %></p>
               <% end %>
               <div class="pl15 pr15 justify upload_img table_maxWidth break_word">
-                <%= sanitize exercise_question.question_title %>
+                <%= exercise_question.question_title.html_safe %>
               </div>
               <% case exercise_question.question_type %>
               <% when 1 %>