fix bug

app/helpers/application_helper.rb

@@ -349,7 +349,7 @@ module ApplicationHelper
     }
     markdown = Redcarpet::Markdown.new(Redcarpet::Render::HTML,options)
     m_t = markdown.render(text)
-    ss = m_t&.include?("src=\"") ? m_t&.gsub("src=\"","src=\"#{request_url}")&.html_safe : m_t
+    ss = m_t&.include?("src=\"") ? m_t&.gsub("src=\"","src=\"#{request_url}") : m_t
     Rails.logger.info("############_____________ss________________##################{ss}")
     ss
   end

app/templates/exercise_export/blank_exercise.html.erb

@@ -68,6 +68,7 @@
               <span class="text-gray mlr5">(<%= q&.question_score %>分)</span>
             </div>
             <div class="pbt5">
+              <img src="http://47.96.87.25:48080/api/attachments/368984" alt="电脑的电路图" title="电脑的电路图">
               <% q_markdown = to_markdown(q.question_title) %>
               <% if q.question_type == 5 %>
                 <% q_markdown_name = to_markdown(q.shixun_name) %>
@@ -84,14 +85,14 @@
                 <% q.exercise_choices.each_with_index do |s,index| %>
                   <p class="pbt5">
                     <span class="choose-radio"></span>
-                    <span class="mr15"><%= convert_to_char((index+1).to_s)%></span><%= to_markdown(s.choice_text) %>
+                    <span class="mr15"><%= convert_to_char((index+1).to_s)%></span><span class="inline-block"><%= to_markdown(s.choice_text) %></span>
                   </p>
                 <% end %>
               <% elsif q.question_type == 1 %>
                 <% q.exercise_choices.each_with_index do |s,index| %>
                   <p class="pbt5">
                     <span class="choose-checkbox"></span>
-                    <span class="mr20"><%= convert_to_char((index+1).to_s)%></span><%= to_markdown(s.choice_text) %>
+                    <span class="mr20"><%= convert_to_char((index+1).to_s)%></span><span class="inline-block"><%= to_markdown(s.choice_text) %></span>
                   </p>
                 <% end %>
               <% elsif q.question_type == 2 %>
@@ -99,7 +100,7 @@
                   <% q.exercise_choices.each_with_index do |s,index| %>
                     <span class="mr15">
                       <span class="choose-radio"></span>
-                      <span class="mlr5"><%= to_markdown(s.choice_text) %></span>
+                      <span class="mlr5 inline-block"><%= to_markdown(s.choice_text) %></span>
                     </span>
                   <% end %>
                 </p>