diff --git a/app/controllers/welcome_controller.rb b/app/controllers/welcome_controller.rb
index dee79bc31..6cc565863 100644
--- a/app/controllers/welcome_controller.rb
+++ b/app/controllers/welcome_controller.rb
@@ -62,11 +62,12 @@ class WelcomeController < ApplicationController
   
   def course
     @course_page = FirstPage.where("page_type = 'course'").first
-    if params[:school_id]
-      @school_id = params[:school_id]
-    elsif User.current.logged?  && User.current.user_extensions.try(:school)
-      @school_id = User.current.user_extensions.school.try(:id)
-    end
+    #if params[:school_id]
+    #  @school_id = params[:school_id]
+    #elsif User.current.logged?  && User.current.user_extensions.try(:school)
+    #  @school_id = User.current.user_extensions.school.try(:id)
+    #end
+    @school_id = params[:school_id] || User.current.user_extensions.school.try(:id)
     @logoLink ||= logolink()
   end
   
diff --git a/app/helpers/welcome_helper.rb b/app/helpers/welcome_helper.rb
index 1139deb35..2399179b8 100644
--- a/app/helpers/welcome_helper.rb
+++ b/app/helpers/welcome_helper.rb
@@ -136,31 +136,33 @@ module WelcomeHelper
 
   #获取课程列表
   # add by nwb
-  def find_miracle_course(sum=10, max_rate=7, school_id)
+  def find_miracle_course(sum=10, max_rate=7, school_id, time,term)
     if User.current.user_extensions.nil? && User.current.user_extensions.school.nil? and school_id.nil?
       Course.active.visible.
           joins(:memberships).
+          where("courses.time = #{time} and courses.term = #{term}").
           group('members.course_id').
           reorder("courses.created_at DESC, COUNT(members.course_id) DESC").take sum
     else
       if school_id.nil?
         Course.active.visible.
             joins(:memberships).
-            where("#{Course.table_name}.school_id = ?", User.current.user_extensions.school.id).
+            where("#{Course.table_name}.school_id = ? and courses.time = ? and courses.term = ?", User.current.user_extensions.school.id, time, term).
             group('members.course_id').
-            reorder("courses.created_at DESC, COUNT(members.course_id) DESC").take sum
+            reorder("COUNT(members.course_id) DESC").take sum
       else
         if school_id == "0"
           Course.active.visible.
               joins(:memberships).
+              where("courses.time = #{time} and courses.term = #{term}").
               group('members.course_id').
-              reorder("courses.created_at DESC, COUNT(members.course_id) DESC").take sum
+              reorder("COUNT(members.course_id) DESC").take sum
         else
           Course.active.visible.
               joins(:memberships).
-              where("#{Course.table_name}.school_id = ?", school_id).
+              where("#{Course.table_name}.school_id = ? and courses.time = ? and courses.term = ?", school_id, time, term).
               group('members.course_id').
-              reorder("courses.created_at DESC, COUNT(members.course_id) DESC").take sum
+              reorder("COUNT(members.course_id) DESC").take sum
         end
       end
     end
@@ -229,16 +231,28 @@ module WelcomeHelper
   end
 
   # modif by nwb
-  def find_all_new_hot_course limit = 9 ,school_id = 0
+  def find_all_new_hot_course limit = 9 ,school_id = nil, year_now, course_term
     #sort_project_by_hot_rails 1, 'course_ac_para DESC', limit
-    time_now = Time.new.strftime("%Y")
-    if school_id
-    courses = Course.includes(:school, :members).visible.joins(:course_status).where("#{Course.table_name}.created_at like '%#{time_now}%' and #{Course.table_name}.school_id <>
-       ?", school_id).order("course_ac_para DESC").limit(limit).all
-    else
-      courses = Course.includes(:school, :members).visible.joins(:course_status).where("#{Course.table_name}.created_at like '%#{time_now}%' and #{Course.table_name}.school_id is not NULL
-       ").order("course_ac_para DESC").limit(limit).all
-     end
+    #time_now = Time.new.strftime("%Y")
+    #if school_id
+    #courses = Course.includes(:school, :members).visible.joins(:course_status).where("#{Course.table_name}.created_at like '%#{time_now}%' and #{Course.table_name}.school_id <>
+    #   ?", school_id).order("course_ac_para DESC").limit(limit).all
+    #else
+    #  courses = Course.includes(:school, :members).visible.joins(:course_status).where("#{Course.table_name}.created_at like '%#{time_now}%' and #{Course.table_name}.school_id is not NULL
+    #   ").order("course_ac_para DESC").limit(limit).all
+    # end
+    school_id.nil? ?
+        courses = Course.includes(:school, :members).visible.
+            joins(:memberships).
+            where("courses.time = ? and courses.term = ?  and courses.school_id is not NULL", year_now, course_term).
+            group('members.course_id').
+            reorder("COUNT(members.course_id) DESC").limit(limit).all
+    :
+        courses = Course.includes(:school, :members).visible.
+            joins(:course_status).
+            where("courses.time = ? and courses.term = ? and courses.school_id <>  ?",year_now, course_term, school_id).
+            group('members.course_id').
+            reorder("COUNT(members.course_id) DESC").limit(limit).all
     courses
   end
 
diff --git a/app/views/welcome/course.html.erb b/app/views/welcome/course.html.erb
index d28c89aa8..ea8963f7e 100644
--- a/app/views/welcome/course.html.erb
+++ b/app/views/welcome/course.html.erb
@@ -78,29 +78,28 @@
 
 <div id="J_Slide" class="d-p-index-box d-p-index-hotproject">
   <h3><strong><%= l(:lable_hot_course)%></strong></h3>
-  <% if @school_id %>
-      <% school_course = find_miracle_course(10,7, @school_id) %>
-  <% else %>
-      <%school_course=[]%>
-  <% end %>
-  <% if (school_course.count == 0) %>
-      <span><%= render :partial =>  'more_course', :locals => {:school_id => nil}%></span>
 
+  <% month_now = Time.now.strftime("%m").to_i %>
+  <% year_now = Time.new.strftime("%Y") %>
+  <!-- 3-8月份为查找春季课程，9-2月份为查找秋季课程 -->
+  <% (month_now >= 3 && month_now < 9) ? course_term = "春季学期" : course_term = "秋季学期" %>
+  <% @school_id.nil? ? cur_school_course = [] : cur_school_course = find_miracle_course(10,7,@school_id, year_now, course_term) %>
+
+  <% if cur_school_course.count == 0 %>
+      <span><%= render :partial =>  'more_course', :locals => {:school_id => nil}%></span>
       <div class="d-p-projectlist-box">
         <ul class="d-p-projectlist">
-
           <% if User.current.logged? %>
               <li>
                 <%= render :partial => 'no_course_title', :locals => {:course_title => l(:label_school_no_course)} %>
               </li>
-              <%= render :partial => 'course_list', :locals => {:course_list => find_all_new_hot_course(9, @school_id)} %>
-          <% else %>
-              <%= render :partial => 'course_list', :locals => {:course_list => find_all_new_hot_course(10, @school_id)} %>
           <% end %>
+          <% User.current.logged? ? course_count = 9 : course_count = 10 %>
+          <%= render :partial => 'course_list', :locals => {:course_list => find_all_new_hot_course(course_count, @school_id, year_now, course_term)} %>
         </ul>
       </div>
   <% else %>
-      <% if school_course.count < 9 %>
+      <% if cur_school_course.count < 9 %>
           <span>
             <%= render :partial =>  'more_course', :locals => {:school_id => nil}%>
           </span>
@@ -111,12 +110,12 @@
       <% end %>
       <div class="d-p-projectlist-box">
         <ul class="d-p-projectlist">
-          <%= render :partial => 'course_list', :locals => {:course_list => school_course} %>
-          <% if school_course.count < 9 %>
+          <%= render :partial => 'course_list', :locals => {:course_list => cur_school_course} %>
+          <% if cur_school_course.count < 9 %>
               <li>
                 <%= render :partial => 'no_course_title', :locals => {:course_title => l(:label_school_less_course)} %>
               </li>
-              <%= render :partial => 'course_list', :locals => {:course_list => find_all_new_hot_course(9 - school_course.count, @school_id)} %>
+              <%= render :partial => 'course_list', :locals => {:course_list => find_all_new_hot_course(9-cur_school_course.count, @school_id, year_now, course_term)} %>
           <% end %>
         </ul>
       </div>
@@ -136,19 +135,26 @@
       <% find_new_forum_topics(10).each do |topic| %>
           <li class="message-brief-intro" style="min-height: 65px; line-height:2em; ">
             <div style="display: inline-block; width: 100%;">
-				  <span class="memo_activity text_nowrap" style="color:gray; display: inline-block;  margin-bottom:6px; background: url('/images/list-icon.png') no-repeat scroll ;background-position: left center;">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
-                    <%= link_to '['+topic.forum.name + ']', forum_path(topic.forum), :class => 'memo_Bar_title' %><%= link_to topic.subject.truncate(30, omission: '...'), topic.event_url, :class => "gray", :style => "font-size: 10pt !important;" %>
+				  <span class="memo_activity text_nowrap" title="<%= topic.subject%>"
+                        style="color:gray; display: inline-block;  margin-bottom:6px; background: url('/images/list-icon.png') no-repeat scroll ;background-position: left center;">
+                    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
+                    <%= link_to '['+topic.forum.name + ']', forum_path(topic.forum), :class => 'memo_Bar_title' %>
+                    <%= link_to topic.subject, topic.event_url, :class => "gray", :style => "font-size: 10pt !important;" %>
 				  </span>
 
               <div class='memo_activity memo_attr'>
 					<span class='memo_timestamp'>
 						<%= "#{l(:label_updated_time, value: time_tag_welcome(topic_last_time topic))}".html_safe %>
 					</span>
-					<span class="memo_author">
-						<%= l(:label_question_sponsor)%>： <%= link_to topic.author.login.truncate(10, omission: '...'),user_path(topic.author),title: topic.author.login %>
+					<span class="memo_author" title="<%= topic.author.login%>">
+					  <%= l(:label_question_sponsor)%>：
+                      <%= link_to topic.author.login.truncate(10, omission: '...'),user_path(topic.author),title: topic.author.login %>
 					</span>
-					<span class="memo_last_person">
-						<%= l(:label_final_reply)%>：<% unless (topic.last_reply.nil? || topic.last_reply.author.nil?) %><%=link_to topic.last_reply.author.login.truncate(10, omission: '...'),user_path(topic.last_reply.author),title: topic.last_reply.author.login%><% end %>
+					<span class="memo_last_person" title="<%= topic.last_reply.author.login unless (topic.last_reply.nil? || topic.last_reply.author.nil?)%>">
+					  <%= l(:label_final_reply)%>：
+                      <% unless (topic.last_reply.nil? || topic.last_reply.author.nil?) %>
+                          <%=link_to topic.last_reply.author.login.truncate(10, omission: '...'),user_path(topic.last_reply.author),title: topic.last_reply.author.login%>
+                      <% end %>
 					</span>
 					<span class="memo_reply">
 						<%= l(:label_reply)%>(<%= link_to topic.try(:replies_count), topic.event_url %>)