diff --git a/src/langs/zh_Hans.txt b/src/langs/zh_Hans.txt
index c8ec178..6096537 100644
--- a/src/langs/zh_Hans.txt
+++ b/src/langs/zh_Hans.txt
@@ -24,6 +24,7 @@ Select All=全部选中
 Select None=全部不选
 Select Invert=反向选择
 Select All Failed Task=全选失败任务
+Select All Completed Tasks=全选已完成任务
 Display Order=显示顺序
 Copy Download Url=复制下载链接
 Copy Magnet Link=复制磁力链接
diff --git a/src/langs/zh_Hant.txt b/src/langs/zh_Hant.txt
index 64ef76c..b61e740 100644
--- a/src/langs/zh_Hant.txt
+++ b/src/langs/zh_Hant.txt
@@ -24,6 +24,7 @@ Select All=全部選中
 Select None=全部不選
 Select Invert=反向選擇
 Select All Failed Task=全選失敗工作
+Select All Completed Tasks=全選已完成工作
 Display Order=顯示順序
 Copy Download Url=複製下載連結
 Copy Magnet Link=複製磁力連結
diff --git a/src/scripts/config/defaultLanguage.js b/src/scripts/config/defaultLanguage.js
index fc7bd7d..298bd62 100644
--- a/src/scripts/config/defaultLanguage.js
+++ b/src/scripts/config/defaultLanguage.js
@@ -28,6 +28,7 @@
             'Select None': 'Select None',
             'Select Invert': 'Select Invert',
             'Select All Failed Task': 'Select All Failed Task',
+            'Select All Completed Tasks': 'Select All Completed Tasks',
             'Display Order': 'Display Order',
             'Copy Download Url': 'Copy Download Url',
             'Copy Magnet Link': 'Copy Magnet Link',
diff --git a/src/scripts/controllers/main.js b/src/scripts/controllers/main.js
index 2824e07..cd4973f 100644
--- a/src/scripts/controllers/main.js
+++ b/src/scripts/controllers/main.js
@@ -202,6 +202,10 @@
             return $rootScope.taskContext.hasRetryableTask();
         };
 
+        $scope.hasCompletedTask = function () {
+            return $rootScope.taskContext.hasCompletedTask();
+        };
+
         $scope.isSelectedTaskRetryable = function () {
             var selectedTasks = $rootScope.taskContext.getSelectedTasks();
 
@@ -327,6 +331,10 @@
             $rootScope.taskContext.selectAllFailed();
         };
 
+        $scope.selectAllCompletedTasks = function () {
+            $rootScope.taskContext.selectAllCompleted();
+        };
+
         $scope.copySelectedOneTaskDownloadLink = function () {
             var selectedTasks = $rootScope.taskContext.getSelectedTasks();
 
diff --git a/src/scripts/core/root.js b/src/scripts/core/root.js
index ac1bcda..6db1c19 100644
--- a/src/scripts/core/root.js
+++ b/src/scripts/core/root.js
@@ -166,6 +166,21 @@
 
                 return false;
             },
+            hasCompletedTask: function () {
+                for (var i = 0; i < this.list.length; i++) {
+                    var task = this.list[i];
+
+                    if (!$rootScope.filterTask(task)) {
+                        continue;
+                    }
+
+                    if (task.status === 'complete') {
+                        return true;
+                    }
+                }
+
+                return false;
+            },
             selectAll: function () {
                 if (!this.list || !this.selected || this.list.length < 1) {
                     return;
@@ -226,6 +241,48 @@
                         continue;
                     }
 
+                    this.selected[task.gid] = !isAllFailedSelected;
+                }
+            },
+            selectAllCompleted: function () {
+                if (!this.list || !this.selected || this.list.length < 1) {
+                    return;
+                }
+
+                if (!this.enableSelectAll) {
+                    return;
+                }
+
+                var isAllFailedSelected = true;
+
+                for (var i = 0; i < this.list.length; i++) {
+                    var task = this.list[i];
+
+                    if (!$rootScope.filterTask(task)) {
+                        continue;
+                    }
+
+                    if (task.status !== 'complete') {
+                        continue;
+                    }
+
+                    if (!this.selected[task.gid]) {
+                        isAllFailedSelected = false;
+                    }
+                }
+
+                for (var i = 0; i < this.list.length; i++) {
+                    var task = this.list[i];
+
+                    if (!$rootScope.filterTask(task)) {
+                        continue;
+                    }
+
+                    if (task.status !== 'complete') {
+                        this.selected[task.gid] = false;
+                        continue;
+                    }
+
                     this.selected[task.gid] = !isAllFailedSelected;
                 }
             }
diff --git a/src/views/list.html b/src/views/list.html
index fcdcff7..6a97438 100644
--- a/src/views/list.html
+++ b/src/views/list.html
@@ -164,6 +164,12 @@
                         <span translate>Select All Failed Task</span>
                     </a>
                 </li>
+                <li ng-if="hasCompletedTask()">
+                    <a tabindex="-1" class="pointer-cursor" title="{{'Select All Completed Tasks' | translate}}" ng-click="selectAllCompletedTasks()">
+                        <i class="fa fa-fw"></i>
+                        <span translate>Select All Completed Tasks</span>
+                    </a>
+                </li>
                 <li>
                     <a tabindex="-1" class="pointer-cursor" title="{{'Select All' | translate}}" ng-click="selectAllTasks()">
                         <i class="fa fa-th-large fa-fw"></i>