diff --git a/app/langs/zh-CN.json b/app/langs/zh-CN.json
index 5cff9bb..9861c25 100644
--- a/app/langs/zh-CN.json
+++ b/app/langs/zh-CN.json
@@ -85,10 +85,11 @@
     "Unknown": "未知",
     "Total Count": "共计",
     "Bytes": "字节",
+    "Hours": "小时",
     "Minutes": "分",
     "Seconds": "秒",
     "Milliseconds": "毫秒",
-    "(0 is disabled)": "(0为禁用)",
+    "Disabled": "禁用",
     "Changes to the settings take effect after refreshing page.": "设置将在页面刷新后生效.",
     "Type is illegal!": "类型错误!",
     "none": "无",
@@ -105,6 +106,16 @@
     "notice": "一般 (Notice)",
     "warn": "警告 (Warn)",
     "error": "错误 (Error)",
+    "format": {
+        "time.millisecond": "{{value}} 毫秒",
+        "time.milliseconds": "{{value}} 毫秒",
+        "time.second": "{{value}} 秒",
+        "time.seconds": "{{value}} 秒",
+        "time.minute": "{{value}} 分钟",
+        "time.minutes": "{{value}} 分钟",
+        "time.hour": "{{value}} 小时",
+        "time.hours": "{{value}} 小时"
+    },
     "options": {
         "dir.name": "下载路径",
         "dir.description": "",
diff --git a/app/scripts/config/language-default.js b/app/scripts/config/language-default.js
index e04988b..54c07de 100644
--- a/app/scripts/config/language-default.js
+++ b/app/scripts/config/language-default.js
@@ -89,10 +89,11 @@
             'Unknown': 'Unknown',
             'Total Count': 'Total Count',
             'Bytes': 'Bytes',
+            'Hours': 'Hours',
             'Minutes': 'Minutes',
             'Seconds': 'Seconds',
             'Milliseconds': 'Milliseconds',
-            '(0 is disabled)': '(0 is disabled)',
+            'Disabled': 'Disabled',
             'Changes to the settings take effect after refreshing page.': 'Changes to the settings take effect after refreshing page.',
             'Type is illegal!': 'Type is illegal!',
             'none': 'None',
@@ -109,6 +110,16 @@
             'notice': 'Notice',
             'warn': 'Warn',
             'error': 'Error',
+            'format': {
+                'time.millisecond': '{{value}} Millisecond',
+                'time.milliseconds': '{{value}} Milliseconds',
+                'time.second': '{{value}} Second',
+                'time.seconds': '{{value}} Seconds',
+                'time.minute': '{{value}} Minute',
+                'time.minutes': '{{value}} Minutes',
+                'time.hour': '{{value}} Hour',
+                'time.hours': '{{value}} Hours',
+            },
             'options': {
                 'dir.name': 'Download Path',
                 'dir.description': '',
diff --git a/app/scripts/controllers/settings-ariang.js b/app/scripts/controllers/settings-ariang.js
index 9cc7dcb..9218009 100644
--- a/app/scripts/controllers/settings-ariang.js
+++ b/app/scripts/controllers/settings-ariang.js
@@ -1,8 +1,9 @@
 (function () {
     'use strict';
 
-    angular.module('ariaNg').controller('AriaNgSettingsController', ['$scope', 'ariaNgLanguages', 'ariaNgSettingService', function ($scope, ariaNgLanguages, ariaNgSettingService) {
+    angular.module('ariaNg').controller('AriaNgSettingsController', ['$scope', 'ariaNgLanguages', 'ariaNgCommonService', 'ariaNgSettingService', function ($scope, ariaNgLanguages, ariaNgCommonService, ariaNgSettingService) {
         $scope.languages = ariaNgLanguages;
+        $scope.availableTime = ariaNgCommonService.getTimeOptions([1000, 2000, 3000, 5000, 10000, 30000, 60000], true);
         $scope.settings = ariaNgSettingService.getAllOptions();
         $scope.settingService = ariaNgSettingService;
     }]);
diff --git a/app/scripts/services/ariaNgCommonService.js b/app/scripts/services/ariaNgCommonService.js
index 8547670..cf94f0a 100644
--- a/app/scripts/services/ariaNgCommonService.js
+++ b/app/scripts/services/ariaNgCommonService.js
@@ -110,6 +110,49 @@
                 });
 
                 return obj;
+            },
+            getTimeOptions: function (timeList, withDisabled) {
+                var options = [];
+
+                if (withDisabled) {
+                    options.push({
+                        name: 'Disabled',
+                        value: 0,
+                        optionValue: 0
+                    });
+                }
+
+                if (!angular.isArray(timeList) || timeList.length < 1) {
+                    return options;
+                }
+
+                for (var i = 0; i < timeList.length; i++) {
+                    var time = timeList[i];
+                    var name = '';
+                    var value = time;
+
+                    if (time < 1000) {
+                        value = time;
+                        name = (value == 1 ? 'format.time.millisecond' : 'format.time.milliseconds');
+                    } else if (time < 1000 * 60) {
+                        value = time / 1000;
+                        name = (value == 1 ? 'format.time.second' : 'format.time.seconds');
+                    } else if (time < 1000 * 60 * 24) {
+                        value = time / 1000 / 60;
+                        name = (value == 1 ? 'format.time.minute' : 'format.time.minutes');
+                    } else {
+                        value = time / 1000 / 60 / 24;
+                        name = (value == 1 ? 'format.time.hour' : 'format.time.hours');
+                    }
+
+                    options.push({
+                        name: name,
+                        value: value,
+                        optionValue: time
+                    })
+                }
+
+                return options;
             }
         };
     }]);
diff --git a/app/views/settings-ariang.html b/app/views/settings-ariang.html
index 6327fb8..63fc9e6 100644
--- a/app/views/settings-ariang.html
+++ b/app/views/settings-ariang.html
@@ -47,31 +47,27 @@
             </div>
         </div>
         <div class="row">
-            <div class="setting-key col-sm-4">
+            <div class="setting-key setting-key-without-desc col-sm-4">
                 <span translate>Global Stat Refresh Interval</span>
                 <span class="asterisk">*</span>
-                <span class="description" translate>(0 is disabled)</span>
             </div>
             <div class="setting-value col-sm-8">
-                <div class="input-group">
-                    <input class="form-control" type="text" ng-model="settings.globalStatRefreshInterval"
-                           ng-change="settingService.setGlobalStatRefreshInterval(settings.globalStatRefreshInterval)"/>
-                    <span class="input-group-addon" translate>Milliseconds</span>
-                </div>
+                <select class="form-control" style="width: 100%;" ng-model="settings.globalStatRefreshInterval"
+                        ng-change="settingService.setGlobalStatRefreshInterval(settings.globalStatRefreshInterval)"
+                        ng-options="time.optionValue as (time.name | translate: {value: time.value}) for time in availableTime">
+                </select>
             </div>
         </div>
         <div class="row">
-            <div class="setting-key col-sm-4">
+            <div class="setting-key setting-key-without-desc col-sm-4">
                 <span translate>Download Task Refresh Interval</span>
                 <span class="asterisk">*</span>
-                <span class="description" translate>(0 is disabled)</span>
             </div>
             <div class="setting-value col-sm-8">
-                <div class="input-group">
-                    <input class="form-control" type="text" ng-model="settings.downloadTaskRefreshInterval"
-                           ng-change="settingService.setDownloadTaskRefreshInterval(settings.downloadTaskRefreshInterval)"/>
-                    <span class="input-group-addon" translate>Milliseconds</span>
-                </div>
+                <select class="form-control" style="width: 100%;" ng-model="settings.downloadTaskRefreshInterval"
+                        ng-change="settingService.setDownloadTaskRefreshInterval(settings.downloadTaskRefreshInterval)"
+                        ng-options="time.optionValue as (time.name | translate: {value: time.value}) for time in availableTime">
+                </select>
             </div>
         </div>
         <div class="row tip">