diff --git a/module/holiday/model.php b/module/holiday/model.php
index 2bc88080a4..c822905018 100644
--- a/module/holiday/model.php
+++ b/module/holiday/model.php
@@ -410,26 +410,29 @@ class holidayModel extends model
     }
 
     /**
+     * API: 获取节假日。
      * Get holidays by api.
      *
      * @param  string $year
      * @access public
      * @return array
      */
-    public function getHolidayByAPI($year = '')
+    public function getHolidayByAPI(string $year = ''): array
     {
+        /* Get holidays by api. */
         if(empty($year)) $year = date('Y');
         $apiRoot = sprintf($this->config->holiday->apiRoot, $year);
         $data    = json_decode(common::http($apiRoot));
         $days    = isset($data->days) ? (array)$data->days : array();
 
+        /* Build holiday data. */
         $holidays   = array();
         $privDay    = 0;
         $prevDayOff = true;
         $daysIndex  = count($days) - 1;
         foreach($days as $index => $day)
         {
-            if($index < $daysIndex and (strtotime($day->date) - $privDay > 86400 or $day->isOffDay != $prevDayOff))
+            if($index < $daysIndex && (strtotime($day->date) - $privDay > 86400 || $day->isOffDay != $prevDayOff))
             {
                 $holiday = new stdClass();
                 $holiday->type  = $day->isOffDay ? 'holiday' : 'working';
@@ -439,7 +442,7 @@ class holidayModel extends model
                 $holidays[] = $holiday;
             }
 
-            if(isset($holiday) or $index == $daysIndex)
+            if(isset($holiday) || $index == $daysIndex)
             {
                 $holidayNum = count($holidays);
                 if($holidayNum > 1)
diff --git a/module/holiday/test/holiday.class.php b/module/holiday/test/holiday.class.php
index 383296e560..60927274ed 100644
--- a/module/holiday/test/holiday.class.php
+++ b/module/holiday/test/holiday.class.php
@@ -357,4 +357,24 @@ class holidayTest
 
         return $task->realDuration;
     }
+
+    /**
+     * 测试通过 API 获取节假日。
+     * Test get holidays by api.
+     *
+     * @param  string       $year
+     * @access public
+     * @return int|array
+     */
+    public function getHolidayByAPITest(string $year): int|array
+    {
+        if($year == 'this year') $year = date('Y');
+        if($year == 'last year') $year = date('Y', strtotime('-1 year'));
+        if($year == 'next year') $year = date('Y', strtotime('+1 year'));
+        $objects = $this->objectModel->getHolidayByAPI($year);
+
+        if(dao::isError()) return dao::getError();
+
+        return count($objects);
+    }
 }
diff --git a/module/holiday/test/model/getholidaybyapi.php b/module/holiday/test/model/getholidaybyapi.php
new file mode 100644
index 0000000000..66601f2c85
--- /dev/null
+++ b/module/holiday/test/model/getholidaybyapi.php
@@ -0,0 +1,26 @@
+#!/usr/bin/env php
+<?php
+declare(strict_types=1);
+include dirname(__FILE__, 5) . '/test/lib/init.php';
+include dirname(__FILE__, 2) . '/holiday.class.php';
+
+zdTable('holiday')->gen(50);
+zdTable('user')->gen(1);
+
+su('admin');
+
+/**
+
+title=测试 holidayModel->getHolidayByAPI();
+cid=1
+pid=1
+
+*/
+
+$holiday = new holidayTest();
+$year    = array('this year', 'last year', 'next year', '');
+
+r($holiday->getHolidayByAPITest($year[0])) && p() && e('11'); //返回 本年 的节假日。
+r($holiday->getHolidayByAPITest($year[1])) && p() && e('12'); //返回 上年 的节假日。
+r($holiday->getHolidayByAPITest($year[2])) && p() && e('14'); //返回 下年 的节假日。
+r($holiday->getHolidayByAPITest($year[3])) && p() && e('11'); //返回 不设置年份 的节假日。