bug修复

app/views/courses/_copy_course.html.erb

@@ -78,7 +78,7 @@
       <label><span class="c_red">*</span>&nbsp;结束学期&nbsp;&nbsp;：</label>
       <%= select_tag :end_time,options_for_select(course_time_option(@new_course.end_time),@new_course.end_time), {:id=>"new_end_time"}  %>
       <%= select_tag :end_term,options_for_select(course_term_option,@new_course.end_term || cur_course_term),{:id=>"new_end_term"}  %>
-      <span class="mr15 c_red">仅针对跨越多个学期的班级，否则不用修改。</span>
+      <span class="mr15 c_red">仅针对跨越多个学期的班级，否则与开始学期保持一致。</span>
     </li>
     <div class="cl"></div>
     <!--<li class="ml45 mb10">

app/views/courses/new.html.erb

@@ -38,7 +38,7 @@
           <label><span class="c_red">*</span>&nbsp;结束学期&nbsp;&nbsp;：</label>
           <%= select_tag :end_time,options_for_select(course_time_option(@course.end_time),@course.end_time), {:id=>"new_end_time"}  %>
           <%= select_tag :end_term,options_for_select(course_term_option,@course.end_term || cur_course_term),{:id=>"new_end_term"}  %>
-          <span class="mr15 c_red">仅针对跨越多个学期的班级，否则不用修改。</span>
+          <span class="mr15 c_red">仅针对跨越多个学期的班级，否则与开始学期保持一致。</span>
         </li>
         <div class="cl"></div>
         <!--<li class="ml45 mb10">

app/views/projects/_new_join.html.erb

@@ -30,8 +30,8 @@
                  :remote => true,
                  :method => :post,
                  :id => 'new_join_course') do %>
-        <label>请输入课程密码:</label>
-        <%= text_field_tag 'course_password', nil, :style=>'width:300px;'%>
+        <label>请输入班级邀请码:</label>
+        <%= text_field_tag 'invite_code', nil, :style=>'width:300px;'%>
         <div class="ni_btn">
           <a href="javascript:" class="tijiao" onclick="$('#new_join_course').submit();" >
             确&nbsp;&nbsp;定

app/views/users/_user_syllabus_list.html.erb

@@ -23,7 +23,7 @@
             <% courses = @courses.where("syllabus_id = #{syllabus.id}").select("courses.*,(SELECT MAX(updated_at)  FROM `course_activities` WHERE course_activities.course_id = courses.id) AS time").order("time desc") %>
             <div class="syllabus_courses_list">
               <div class="<%=index == 0 ? 'sy_courses_open' : 'sy_courses_close' %>">
-                <span class="<%=index == 0 ? 'icons_sy_open' : 'icons_sy_close' %> fl mr5"></span>
+                <span class="<%=index == 0 && !courses.empty? ? 'icons_sy_open' : 'icons_sy_close' %> fl mr5"></span>
                 <h3 class="syllabus_courses_title fl"><%=syllabus.title %></h3>
               </div>
               <p class="fl sy_p_grey">更新时间：<%=format_date syllabus.updated_at %>