diff --git a/chapter2/mysite/myapp/templates/myapp/crawl.html b/chapter2/mysite/myapp/templates/myapp/crawl.html
index d568ce4..841812e 100644
--- a/chapter2/mysite/myapp/templates/myapp/crawl.html
+++ b/chapter2/mysite/myapp/templates/myapp/crawl.html
@@ -113,14 +113,14 @@
                      <span class="leftTitle">存储空间</span>
                      <div class="rightPercent">
                       <span>{{platform_info.disk_total}}</span>
-                      <p style="width:{% present platform_info.disk_used,platform_info.disk_total %}%">{{platform_info.disk_used}}</plaintext></p >
+                      <p style="width:{% present platform_info.disk_used platform_info.disk_total %}%">{{platform_info.disk_used}}</plaintext></p >
                      </div>
                     </li>
                     <li>
                      <span class="leftTitle">内存占用</span>
                      <div class="rightPercent">
                       <span>{{platform_info.mem_total}}</span>
-                      <p style="width:{% present platform_info.mem_used, platform_info.mem_total %}%">{{platform_info.mem_used}}</p >
+                      <p style="width:{% present platform_info.mem_used platform_info.mem_total %}%">{{platform_info.mem_used}}</p >
                      </div>
                     </li>
                     <li>