* Refactor getDateList method.

module/execution/model.php

@@ -4381,18 +4381,19 @@ class executionModel extends model
     }
 
     /**
-     * Get no weekend date
+     * 获取日期列表数据。
+     * Get date list data.
      *
-     * @param  string     $begin
-     * @param  string     $end
-     * @param  string     $type
-     * @param  string|int $interval
-     * @param  string     $format
-     * @param  string     $executionDeadline
+     * @param  string $begin
+     * @param  string $end
+     * @param  string $type
+     * @param  int    $interval
+     * @param  string $format
+     * @param  string $executionDeadline
      * @access public
      * @return array
      */
-    public function getDateList($begin, $end, $type, $interval = '', $format = 'm/d/Y', $executionDeadline = '')
+    public function getDateList(string $begin, string $end, string $type, int $interval = 0, string $format = 'm/d/Y', string $executionDeadline = ''): array
     {
         $this->app->loadClass('date', true);
         $dateList = date::getDateList($begin, $end, $format, $type, $this->config->execution->weekend);