diff --git a/app/views/praise_tread/_praise.html.erb b/app/views/praise_tread/_praise.html.erb
index 26e5900aa..dfd1011db 100644
--- a/app/views/praise_tread/_praise.html.erb
+++ b/app/views/praise_tread/_praise.html.erb
@@ -2,12 +2,12 @@
     <a href='<%= praise_tread_praise_plus_path({:obj_id=>activity.id,:obj_type=>activity.class,:user_activity_id=>user_activity_id,:type=>type }) %>' data-remote="true" class="<%=type == 'reply'? 'fr' : 'ml15' %> likeButton" title="点赞" >
       <span class="likeText">赞</span>
       <% num = activity.praise_tread_cache ? activity.praise_tread_cache.praise_num : 0 %>
-      <span class="likeNum"><%= num > 0 ? "（#{num}）" : "" %></span>
+      <span class="likeNum"><%= (num.nil? ? 0 : num) > 0 ? "（#{(num.nil? ? 0 : num)}）" : "" %></span>
     </a>
 <% else %>
     <a href='<%= praise_tread_praise_minus_path({:obj_id=>activity.id,:obj_type=>activity.class,:user_activity_id=>user_activity_id,:type=>type }) %>'  data-remote="true" class="<%=type == 'reply'? 'fr' : 'ml15' %> likeButton" title="取消点赞" >
       <span class="likeText">已赞</span>
       <% num = activity.praise_tread_cache ? activity.praise_tread_cache.praise_num : 0 %>
-      <span class="likeNum"><%= num > 0 ? "（#{num}）" : "" %></span>
+      <span class="likeNum"><%= (num.nil? ? 0 : num) > 0 ? "（#{(num.nil? ? 0 : num)}）" : "" %></span>
     </a>
 <% end %>
\ No newline at end of file