diff --git a/src/index.html b/src/index.html
index 5549771..460c2e1 100644
--- a/src/index.html
+++ b/src/index.html
@@ -233,8 +233,8 @@
         <span>&nbsp;</span>
 
         <div class="pull-right ng-cloak" ng-if="globalStatusContext.isEnabled">
-            <a class="global-status" ng-pop-chart ng-data="globalStatusContext.data" ng-container="body"
-               ng-placement="top" ng-trigger="click hover" ng-popover-class="global-status-chart">
+            <a class="global-status" title="{{('Click to pin' | translate)}}" ng-pop-chart ng-data="globalStatusContext.data"
+               ng-container="body" ng-placement="top" ng-trigger="click hover" ng-popover-class="global-status-chart">
                 <span class="realtime-speed">
                     <i class="icon-download fa fa-arrow-down"></i>
                     <span ng-bind="(globalStat.downloadSpeed | readableVolumn) + '/s'"></span>
diff --git a/src/langs/zh_CN.txt b/src/langs/zh_CN.txt
index 1586b71..ce0362a 100644
--- a/src/langs/zh_CN.txt
+++ b/src/langs/zh_CN.txt
@@ -44,6 +44,7 @@ Error Occurred=发生错误
 Removed=已删除
 Downloaded / Stopped=已完成 / 已停止
 Uncompleted=未完成
+Click to pin=点击固定
 Settings=系统设置
 AriaNg Settings=AriaNg 设置
 Aria2 Settings=Aria2 设置
diff --git a/src/scripts/config/defaultLanguage.js b/src/scripts/config/defaultLanguage.js
index 5ce4146..5013ade 100644
--- a/src/scripts/config/defaultLanguage.js
+++ b/src/scripts/config/defaultLanguage.js
@@ -48,6 +48,7 @@
             'Removed': 'Removed',
             'Downloaded / Stopped': 'Downloaded / Stopped',
             'Uncompleted': 'Uncompleted',
+            'Click to pin': 'Click to pin',
             'Settings': 'Settings',
             'AriaNg Settings': 'AriaNg Settings',
             'Aria2 Settings': 'Aria2 Settings',
diff --git a/src/scripts/directives/chart.js b/src/scripts/directives/chart.js
index 40d9046..daebc71 100644
--- a/src/scripts/directives/chart.js
+++ b/src/scripts/directives/chart.js
@@ -65,7 +65,7 @@
                     content: '<div class="chart-pop-wrapper"><div class="chart-pop ' + options.ngPopoverClass + '">' + loadingIcon +'</div></div>',
                     html: true,
                     placement: options.ngPlacement,
-                    template: '<div class="popover chart-popover" role="tooltip"><div class="arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>',
+                    template: '<div class="popover chart-popover" role="tooltip"><div class="arrow"></div><div class="popover-content"></div></div>',
                     trigger: options.ngTrigger
                 }).on('shown.bs.popover', function () {
                     var wrapper = angular.element('.chart-pop');