diff --git a/liblog.sql b/liblog.sql
index 7a487e0..8befb75 100644
--- a/liblog.sql
+++ b/liblog.sql
@@ -10,27 +10,11 @@ Target Server Type    : MYSQL
 Target Server Version : 50540
 File Encoding         : 65001
 
-Date: 2017-01-05 14:26:16
+Date: 2017-01-05 15:23:31
 */
 
 SET FOREIGN_KEY_CHECKS=0;
 
--- ----------------------------
--- Table structure for li_account
--- ----------------------------
-DROP TABLE IF EXISTS `li_account`;
-CREATE TABLE `li_account` (
-  `id` int(11) NOT NULL AUTO_INCREMENT,
-  `username` varchar(255) CHARACTER SET latin1 DEFAULT NULL,
-  `password` varchar(255) CHARACTER SET latin1 DEFAULT NULL,
-  PRIMARY KEY (`id`)
-) ENGINE=MyISAM AUTO_INCREMENT=2 DEFAULT CHARSET=utf8;
-
--- ----------------------------
--- Records of li_account
--- ----------------------------
-INSERT INTO `li_account` VALUES ('1', 'admin', 'c7434c0ee2ef62392ba704d4db9c3488');
-
 -- ----------------------------
 -- Table structure for li_article
 -- ----------------------------
@@ -608,7 +592,7 @@ CREATE TABLE `li_user` (
 -- ----------------------------
 -- Records of li_user
 -- ----------------------------
-INSERT INTO `li_user` VALUES ('56', 'admin', 'admin', 'fcea920f7412b5da7be0cf42b8c93759', 'admin@jsout.com', '1', null, 'common/images/pic/avatar_7.jpg', 'site', '15', null, '2016-08-22 14:44:32', '1', '0', '0');
+INSERT INTO `li_user` VALUES ('56', 'admin', 'admin', 'c7434c0ee2ef62392ba704d4db9c3488', 'admin@jsout.com', '1', null, 'common/images/pic/avatar_7.jpg', 'site', '15', null, '2016-08-22 14:44:32', '1', '0', '0');
 INSERT INTO `li_user` VALUES ('85', 'livi', 'livi', null, 'livisky@163.com', '4', null, '', 'site', '10', null, null, '1', '0', '0');
 
 -- ----------------------------
diff --git a/www/static/theme/liblog/res/src/js/business/pagecommon/footer.js b/www/static/theme/liblog/res/src/js/business/pagecommon/footer.js
index 568e209..d2d5938 100644
--- a/www/static/theme/liblog/res/src/js/business/pagecommon/footer.js
+++ b/www/static/theme/liblog/res/src/js/business/pagecommon/footer.js
@@ -79,17 +79,20 @@ $("#userInfo").on('mouseout', function() {
     })
     // 右侧tab切换
 window.onload = function() {
-    var oLi = document.getElementById("tb").getElementsByTagName("li");
-    var oUl = document.getElementById("tb-main").getElementsByTagName("div");
-    for (var i = 0; i < oLi.length; i++) {
-        oLi[i].index = i;
-        oLi[i].onmouseover = function() {
-            for (var n = 0; n < oLi.length; n++)
-                oLi[n].className = "";
-            this.className = "cur";
-            for (var n = 0; n < oUl.length; n++)
-                oUl[n].style.display = "none";
-            oUl[this.index].style.display = "block";
+    var otb = document.getElementById("tb");
+    if (otb) {
+        var oLi = document.getElementById("tb").getElementsByTagName("li");
+        var oUl = document.getElementById("tb-main").getElementsByTagName("div");
+        for (var i = 0; i < oLi.length; i++) {
+            oLi[i].index = i;
+            oLi[i].onmouseover = function() {
+                for (var n = 0; n < oLi.length; n++)
+                    oLi[n].className = "";
+                this.className = "cur";
+                for (var n = 0; n < oUl.length; n++)
+                    oUl[n].style.display = "none";
+                oUl[this.index].style.display = "block";
+            }
         }
     }
 }
\ No newline at end of file