diff --git a/module/holiday/model.php b/module/holiday/model.php
index 2ee48c7d43..2bc88080a4 100644
--- a/module/holiday/model.php
+++ b/module/holiday/model.php
@@ -382,6 +382,7 @@ class holidayModel extends model
     }
 
     /**
+     * 更新任务的实际工期。
      * Update task real duration.
      *
      * @param  string $beginDate
@@ -389,7 +390,7 @@ class holidayModel extends model
      * @access public
      * @return void
      */
-    public function updateTaskRealDuration($beginDate, $endDate)
+    public function updateTaskRealDuration(string $beginDate, string $endDate): void
     {
         $updateTaskList = $this->dao->select('id, realStarted, finishedDate')
             ->from(TABLE_TASK)
@@ -401,7 +402,7 @@ class holidayModel extends model
 
         foreach($updateTaskList as $task)
         {
-            $realDuration = $this->getActualWorkingDays($task->realStarted, date('Y-m-d',strtotime($task->finishedDate)));
+            $realDuration = $this->getActualWorkingDays($task->realStarted, date('Y-m-d', $task->finishedDate ? strtotime($task->finishedDate) : time()));
             $realDuration = count($realDuration);
 
             $this->dao->update(TABLE_TASK)->set('realDuration')->eq($realDuration)->where('id')->eq($task->id)->exec();
diff --git a/module/holiday/test/holiday.class.php b/module/holiday/test/holiday.class.php
index 7cc757f01b..383296e560 100644
--- a/module/holiday/test/holiday.class.php
+++ b/module/holiday/test/holiday.class.php
@@ -309,7 +309,7 @@ class holidayTest
      * Test update task plan duration.
      *
      * @param  int       $testTaskID
-     * @param  int       $holiday
+     * @param  int       $holidayID
      * @param  bool      $updateDuration
      * @access public
      * @return int|array
@@ -332,20 +332,24 @@ class holidayTest
     }
 
     /**
-     * Test updateTaskRealDuration method.
+     * 测试更新任务实际工期。
+     * Test update task real duration.
      *
      * @param  int       $testTaskID
-     * @param  object    $holiday
+     * @param  int       $holidayID
+     * @param  bool      $updateDuration
      * @access public
-     * @return int
+     * @return int|array
      */
-    public function updateTaskRealDurationTest($testTaskID, $holidayID)
+    public function updateTaskRealDurationTest(int $testTaskID, int $holidayID, bool $updateDuration): int|array
     {
         global $tester;
 
-        $holiday = $tester->dao->select('*')->from(TABLE_HOLIDAY)->where('id')->eq($holidayID)->fetch();
-
-        $this->objectModel->updateTaskRealDuration($holiday->begin, $holiday->end);
+        if($updateDuration)
+        {
+            $holiday = $tester->dao->select('*')->from(TABLE_HOLIDAY)->where('id')->eq($holidayID)->fetch();
+            $this->objectModel->updateTaskRealDuration($holiday->begin, $holiday->end);
+        }
 
         $task = $tester->dao->select('*')->from(TABLE_TASK)->where('id')->eq($testTaskID)->fetch();
 
diff --git a/module/holiday/test/model/updatetaskrealduration.php b/module/holiday/test/model/updatetaskrealduration.php
new file mode 100755
index 0000000000..1e06ce8b27
--- /dev/null
+++ b/module/holiday/test/model/updatetaskrealduration.php
@@ -0,0 +1,39 @@
+#!/usr/bin/env php
+<?php
+declare(strict_types=1);
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/holiday.class.php';
+
+zdTable('holiday')->gen(10);
+zdTable('task')->config('task')->gen(10);
+zdTable('user')->gen(1);
+
+su('admin');
+
+/**
+
+title=测试 holidayModel->updateTaskRealDurationTest();
+cid=1
+pid=1
+
+*/
+
+$holiday = new holidayTest();
+
+$holidayIdList  = array(10, 5, 1);
+$taskIdList     = array(1, 2, 3);
+$updateDuration = array(true, false);
+
+$holiday = new holidayTest();
+
+r($holiday->updateTaskRealDurationTest($taskIdList[0], $holidayIdList[0], $updateDuration[0])) && p() && e('1'); //测试插入id为 10 的节假日时任务 1 任务的计划工期
+r($holiday->updateTaskRealDurationTest($taskIdList[1], $holidayIdList[0], $updateDuration[1])) && p() && e('1'); //测试插入id为 10 的节假日时任务 2 任务的计划工期
+r($holiday->updateTaskRealDurationTest($taskIdList[2], $holidayIdList[0], $updateDuration[1])) && p() && e('6'); //测试插入id为 10 的节假日时任务 3 任务的计划工期
+
+r($holiday->updateTaskRealDurationTest($taskIdList[0], $holidayIdList[1], $updateDuration[0])) && p() && e('1'); //测试插入id为 5 的节假日时任务 1 任务的计划工期
+r($holiday->updateTaskRealDurationTest($taskIdList[1], $holidayIdList[1], $updateDuration[1])) && p() && e('5'); //测试插入id为 5 的节假日时任务 2 任务的计划工期
+r($holiday->updateTaskRealDurationTest($taskIdList[2], $holidayIdList[1], $updateDuration[1])) && p() && e('6'); //测试插入id为 5 的节假日时任务 3 任务的计划工期
+
+r($holiday->updateTaskRealDurationTest($taskIdList[0], $holidayIdList[2], $updateDuration[0])) && p() && e('6'); //测试插入id为 5 的节假日时任务 1 任务的计划工期
+r($holiday->updateTaskRealDurationTest($taskIdList[1], $holidayIdList[2], $updateDuration[1])) && p() && e('5'); //测试插入id为 5 的节假日时任务 2 任务的计划工期
+r($holiday->updateTaskRealDurationTest($taskIdList[2], $holidayIdList[2], $updateDuration[1])) && p() && e('6'); //测试插入id为 5 的节假日时任务 3 任务的计划工期
diff --git a/module/holiday/test/yaml/task.yaml b/module/holiday/test/yaml/task.yaml
index 1719b88407..581720f3d5 100644
--- a/module/holiday/test/yaml/task.yaml
+++ b/module/holiday/test/yaml/task.yaml
@@ -13,3 +13,13 @@ fields:
     type: timestamp
     format: "YY/MM/DD"
     postfix: "\t"
+  - field: realStarted
+    range: "(-5w)-(+1w):5D"
+    type: timestamp
+    format: "YY/MM/DD"
+    postfix: "\t"
+  - field: finishedDate
+    range: "(-4w)-(+2w):5D"
+    type: timestamp
+    format: "YY/MM/DD"
+    postfix: "\t"