关注项目无法显示的问题

app/views/users/show.html.erb

@@ -20,6 +20,8 @@
 	<% unless @activity.empty? %>
 	<div id="activity">
 		<% @activity.each do |e| %>
+		<%# 以下一行代码解决有未知的活动无法转换成Model报错%>
+		<% (Rails.logger.error "[Error] =========================================================> NameError: uninitialized constant " + e.act_type.to_s; next; ) if e.act_type.safe_constantize.nil? %>
 		<% act = e.act %>
 		<% unless act.nil? %>
 		<table width="660" border="0" align="left" style="border-bottom: 1px dashed rgb(204, 204, 204); margin-bottom: 10px;font-size:14px;">

app/views/users/watch_projects.html.erb

@@ -3,7 +3,7 @@
 		<%= link_to(l(:label_project_new), {:controller => 'projects', :action => 'new', :course => 0, :project_type => 0}, :class => 'icon icon-add') if User.current.allowed_to?(:add_project, nil, :global => true) %>
 <% end %>
 <%= watch_projects @state%>
-<% if @watch_projects.nil?&&watch_projects.project.nil? %>
+<% if @watch_projects.count > 0 %>
 <% for watch_project in @watch_projects %>
 <table width="660" border="0" align="center" style="border-bottom: 1px dashed rgb(204, 204, 204); margin-bottom: 10px;font-size:14px;">
 	<tr>
@@ -11,7 +11,7 @@
 		<td>
 		<table width="580" border="0">
 			<tr>
-				<td colspan="2" valign="top"><strong> <%= link_to_user(@user) if watch_project.respond_to?(:user) %></strong><span class="font_lighter"> <%= @user.name%><%= l(:label_watch_project) %></span> <%= link_to_project(watch_project.project) %></td>
+				<td colspan="2" valign="top"><strong> <%= link_to_user(@user) if watch_project.respond_to?(:user) %></strong><span class="font_lighter"> <%= link_to_project(watch_project.project) %></td>
 			</tr>
 			<tr>
 				<td colspan="2" width="580" >