更新可视化数据排序方式以及修正首页链接

application/default/views/scripts/data/index.phtml

@@ -99,7 +99,6 @@ $this->headTitle()->setSeparator(' - ');
                         <li>-&nbsp;&nbsp;&nbsp;<a href="/data/offlineapp">离线数据服务记录（最近20个）</a></li>
                         <li>-&nbsp;&nbsp;&nbsp;<a href="/data/request">如何从数据中心申请数据</a></li>
                         <li>-&nbsp;&nbsp;&nbsp;<a href="/data/submit">如何在数据中心发布数据</a></li>
-                        <li>-&nbsp;&nbsp;&nbsp;<a href="/visual">数据可视化</a></li>
                     </ul>
                 </div>
             

application/module/Westdc/Visual/Visual.php

@@ -115,7 +115,8 @@ class Visual
 	{
 		$sql = "SELECT * FROM {$this->metadataTable} md
 				LEFT JOIN {$this->mainTable} v ON v.uuid = md.uuid
-				WHERE v.uuid IS NOT NULL";
+				WHERE v.uuid IS NOT NULL
+				order by v.ts_changed desc";
 		
 		$rs = $this->db->query($sql);
 		return $rs->fetchAll(\PDO::FETCH_ASSOC);