diff --git a/module/execution/model.php b/module/execution/model.php
index 28c51d44a6..bb97f82645 100755
--- a/module/execution/model.php
+++ b/module/execution/model.php
@@ -4676,13 +4676,14 @@ class executionModel extends model
     }
 
     /**
-     * Get Prev Kanban.
+     * 获取上一个看板的数据。
+     * Get the data from the previous Kanban.
      *
-     * @param  int    $executionID
+     * @param  int        $executionID
      * @access public
-     * @return array
+     * @return array|null
      */
-    public function getPrevKanban($executionID)
+    public function getPrevKanban(int $executionID): array|null
     {
         $prevKanbans = $this->loadModel('setting')->getItem("owner=null&module=execution&section=kanban&key=execution$executionID");
         return json_decode($prevKanbans, true);
diff --git a/module/execution/test/model/getprevkanban.php b/module/execution/test/model/getprevkanban.php
index 16030cf6ff..ac5ecacd92 100755
--- a/module/execution/test/model/getprevkanban.php
+++ b/module/execution/test/model/getprevkanban.php
@@ -27,11 +27,8 @@ $task->gen(10);
 /**
 
 title=测试executionModel->getPrevKanban();
+timeout=0
 cid=1
-pid=1
-
-查询执行4数据 >> empty
-保存数据后查询执行4数据 >> task1
 
 */