diff --git a/app/controllers/attachments_controller.rb b/app/controllers/attachments_controller.rb
index 589398c07..01d2ea890 100644
--- a/app/controllers/attachments_controller.rb
+++ b/app/controllers/attachments_controller.rb
@@ -150,6 +150,7 @@ class AttachmentsController < ApplicationController
       attach_copied_obj = ori.copy
       attach_copied_obj.container = obj
       attach_copied_obj.created_on = Time.now
+      attach_copied_obj.author_id = User.current.id
       @obj = obj
       @save_flag = attach_copied_obj.save
       @save_message = attach_copied_obj.errors.full_messages
diff --git a/app/models/journals_for_message.rb b/app/models/journals_for_message.rb
index 9ca8236d0..69342b94c 100644
--- a/app/models/journals_for_message.rb
+++ b/app/models/journals_for_message.rb
@@ -64,8 +64,12 @@ class JournalsForMessage < ActiveRecord::Base
   def act_as_activity
     if self.jour_type == 'Principal' 
       unless self.user_id == self.jour.id &&  self.user_id != self.reply_id && self.reply_id != 0        
-        self.acts << Activity.new(:user_id => self.user_id)        
-      end    
+        # self.acts << Activity.new(:user_id => self.user_id)        
+        self.acts << Activity.new(:user_id => self.jour_id)
+      end
+    elsif self.jour_type == 'Project'
+      self.acts << Activity.new(:user_id => self.reply_id)
+    else
     end
   end
 
diff --git a/app/views/projects/_new_join.html.erb b/app/views/projects/_new_join.html.erb
index 82cc61b4d..cc83ac80d 100644
--- a/app/views/projects/_new_join.html.erb
+++ b/app/views/projects/_new_join.html.erb
@@ -49,7 +49,9 @@
 		<td align="cneter">
   </td>
 
-  <%= text_field_tag 'course_password', nil, :size => 45 %>
+  <div>
+  	<%= text_field_tag 'course_password', nil, :style=>'width:100%'%>
+  </div>
 
   <p class="buttons" style="padding-top: 10px; padding-bottom: 1px; margin-bottom: 1px">
     <%= submit_tag l(:label_new_join), :name => nil, :class => "bid_btn", :onclick => "hideModal(this);" %>
diff --git a/app/views/users/show.html.erb b/app/views/users/show.html.erb
index 1f34be979..72d492cb8 100644
--- a/app/views/users/show.html.erb
+++ b/app/views/users/show.html.erb
@@ -30,11 +30,11 @@
 <% case e.act_type %>
 <% when 'JournalsForMessage' %>
 	<% if User.current.login == @user.login %>
-		<% if e.user_id == act.jour.id %>
-						<tr><td colspan="2" valign="top"><strong><%= link_to("#{e.user.show_name}", user_path(e.user_id)) %></strong>&nbsp;<span class="font_lighter">有了留言</span></td></tr>
-		<% else %>
-						<tr><td colspan="2" valign="top" class="font_lighter"><strong><%= link_to("#{e.user.show_name}", user_path(e.user_id)) %> 给 <%= link_to("#{act.jour.show_name}", user_path(act.jour.id)) %> 留言了</strong>&nbsp;</td></tr>
-		<% end %>
+		<%# if e.user_id == act.jour.id %>
+						<tr><td colspan="2" valign="top"><strong><%= link_to("#{e.user.show_name}", user_path(e.user_id)) %></strong>&nbsp;<span class="font_lighter">有了<%= link_to("#{e.act.user.show_name}", user_path(e.user.id))%>的留言</span></td></tr>
+		<%# else %>
+						<!-- <tr><td colspan="2" valign="top" class="font_lighter"><strong><%#= link_to("#{e.user.show_name}", user_path(e.user_id)) %> 给 <%#= link_to("#{act.at_user.show_name if act.at_user}", user_path(act.jour.id)) %> 留言了</strong>&nbsp;</td></tr> -->
+		<%# end %>
 	<% else %>
 						<tr><td colspan="2" valign="top"><strong><%= link_to("#{@user.show_name}", user_path(e.user_id)) %></strong>&nbsp;<span class="font_lighter">有了新的动态</span></td></tr>
 	<% end %>
@@ -209,8 +209,10 @@
 								<% if e.reply_id == User.current.id%>
 									<%if e.jour_type == 'Bid'%>
 										<%= l(:label_in_bids)%><%= link_to(e.jour.name, respond_path(e.jour))%>&nbsp;<%= l(:label_quote_my_words) %>
-									<% else %>
+									<% elsif e.jour_type == 'User' %>
 										<%= l(:label_in_users)%><%= link_to(e.jour.firstname, feedback_path(e.jour))%>&nbsp;<%= l(:label_quote_my_words) %>
+									<% elsif e.jour_type == 'Project' %>
+										<%= '在'<<l(:field_project)%><%= link_to(e.jour.name, feedback_path(e.jour))%>&nbsp;<%= l(:label_reply_plural) %>
 									<% end %>
 								<% else %>
 									<%= l(:label_about_requirement) %><%= link_to(e.jour.name, respond_path(e.jour_id))%>&nbsp;<%= l(:label_have_respond) %>
diff --git a/app/views/welcome/course.html.erb b/app/views/welcome/course.html.erb
index 69636a71f..d0d7ebf8b 100644
--- a/app/views/welcome/course.html.erb
+++ b/app/views/welcome/course.html.erb
@@ -123,9 +123,17 @@
 				<p class="layout">
 					<%= link_to( project.name, project_path(project.id), :class => "d-g-blue d-p-project-name",:title => "#{project.name}", :target => "_blank" )%>
 					<span style="cursor: pointer; display: inline-block; float: right; color: #ec6300; white-space: nowrap;">学生人数：<%= link_to "#{studentCount(project)}", project_member_path(project, :role => 2) ,:course =>'1', :target => "_blank" %></span>
+
+					<div id='join_in_course' style='margin: 0px 4px;display:inline-block;float:right;color:#ff4800;'>
+						<%if User.current.logged? %>
+						<%= join_in_course(project, User.current) unless project.course_extra.teacher.id == User.current.id %>
+						<% end %> 
+					</div>
 				</p>
 				<p class="layout-1" >
 					<%= content_tag "div", "&nbsp;".html_safe<<project.course_extra.time.to_s<<project.course_extra.term.to_s, :class => "d-p-project-intro", :style => 'display:inline-block; position:relative;float:right;color:#ff4800;' %>
+
+
 					<%= content_tag "span", "&nbsp;".html_safe+project.description.truncate(50, omission: '...'), :class => "d-p-project-intro" , :title => project.description.to_s %>
 				</p>  
 				</div>