diff --git a/application/wiki/view/index/detail.html b/application/wiki/view/index/detail.html
index 6fd7e54..fa0ef69 100644
--- a/application/wiki/view/index/detail.html
+++ b/application/wiki/view/index/detail.html
@@ -16,7 +16,7 @@
         <div class="ui items">
             <div class="item">
                 <div class="image">
-                    <img src="http://static10.photo.sina.com.cn/middle/5a3ab1b1x9961016a8699&690">
+                    <img src="{$groupInfo['image'] ? $groupInfo['image'] : '/static/defaultImg.jpg'}">
                 </div>
                 <div class="content">
                     <span class="header">{$groupInfo['name']}</span>
@@ -191,7 +191,7 @@
                 imgExpanded: "__STATIC__/jsonFormater/Expanded.gif"
             };
             window.jf = new JsonFormater(options);
-            jf.doFormat('{$detail["returnStr"]}');
+            jf.doFormat({$detail["returnStr"]});
         }();
     });
     $('.ui .vertical').css('max-height', $('#detail').outerHeight(true));
diff --git a/application/wiki/view/index/index.html b/application/wiki/view/index/index.html
index d5fe739..05aefd2 100644
--- a/application/wiki/view/index/index.html
+++ b/application/wiki/view/index/index.html
@@ -32,7 +32,7 @@
                 {if condition="$apiLength"}
                 <div class="card column">
                     <a class="image" href="{:url('/wiki/detail/' . $key)}">
-                        <img src="http://static10.photo.sina.com.cn/middle/5a3ab1b1x9961016a8699&690">
+                        <img src="{$groupInfo[$key]['image'] ? $groupInfo[$key]['image'] : '/static/defaultImg.jpg'}">
                     </a>
                     <div class="content">
                         <a class="header" href="{:url('/wiki/detail/' . $key)}">
diff --git a/public/static/defaultImg.jpg b/public/static/defaultImg.jpg
new file mode 100644
index 0000000..8142bac
Binary files /dev/null and b/public/static/defaultImg.jpg differ