diff --git a/app.js b/app.js
index f5d1667..fe91d77 100644
--- a/app.js
+++ b/app.js
@@ -28,11 +28,11 @@ app.use(cookieParser());
 
 app.use(session({
     rolling: true,
-    resave: false, //添加这行
-    saveUninitialized: true, //添加这行
+    resave: false, //
+    saveUninitialized: true, //
     secret: 'ILoveYiJia', // 建议使用 128 个字符的随机字符串
     cookie: {
-        maxAge: 1000 * 60,
+        maxAge: 30 * 24 * 60 * 60 * 1000, // 一个月
     },
     store: new mongoStore({
         url: 'mongodb://localhost/mybookmarks'
diff --git a/public/images/copy-hover.png b/public/images/copy-hover.png
new file mode 100644
index 0000000..bc78c17
Binary files /dev/null and b/public/images/copy-hover.png differ
diff --git a/public/images/copy.png b/public/images/copy.png
new file mode 100644
index 0000000..ade469f
Binary files /dev/null and b/public/images/copy.png differ
diff --git a/public/scripts/controllers/bookmarks-controller.js b/public/scripts/controllers/bookmarks-controller.js
index 104c68b..5355514 100644
--- a/public/scripts/controllers/bookmarks-controller.js
+++ b/public/scripts/controllers/bookmarks-controller.js
@@ -57,6 +57,10 @@ app.controller('bookmarksCtr', ['$scope', '$state', '$stateParams', '$filter', '
     $scope.detailBookmark = function(bookmarkId) {
         toastr.warning('功能暂未实现。。。', "警告");
     }
+    $scope.copyBookmark = function(bookmarkUrl) {
+        toastr.warning(bookmarkUrl, "警告");
+    }
+
 
     $scope.jumpToTags = function(tagId) {
         $state.go('tags', {
diff --git a/public/views/bookmarks.html b/public/views/bookmarks.html
index 56731b1..42ac8c5 100644
--- a/public/views/bookmarks.html
+++ b/public/views/bookmarks.html
@@ -64,9 +64,10 @@
                 </div>
             </td>
             <td>
-                <img class="ui mini spaced image" style="width:16px;height:16px;margin:0 5px" ng-src="./images/delete.png" ng-click="delBookmark(bookmark.id)">
-                <img class="ui mini spaced image" style="width:16px;height:16px;margin:0 5px" ng-src="./images/edit-bookmark.png" ng-click="editBookmark(bookmark.id)">
-                <img class="ui mini spaced image" style="width:16px;height:16px;margin:0 5px" ng-src="./images/detail.png" ng-click="detailBookmark(bookmark.id)">
+                <img class="ui mini spaced image" style="width:16px;height:16px;margin:0 1px" ng-src="./images/delete.png" ng-click="delBookmark(bookmark.id)" title="删除">
+                <img class="ui mini spaced image" style="width:16px;height:16px;margin:0 1px" ng-src="./images/edit-bookmark.png" ng-click="editBookmark(bookmark.id)" title="编辑">
+                <img class="ui mini spaced image" style="width:16px;height:16px;margin:0 1px" ng-src="./images/detail.png" ng-click="detailBookmark(bookmark.id)" title="详情">
+                <img class="ui mini spaced image" style="width:16px;height:16px;margin:0 1px" ng-src="./images/copy.png" ng-click="copyBookmark(bookmark.url)" title="复制链接">
             </td>
         </tr>
     </tbody>