diff --git a/module/user/tao.php b/module/user/tao.php
index 0ff2f845cd..c1d1caf77c 100644
--- a/module/user/tao.php
+++ b/module/user/tao.php
@@ -129,6 +129,8 @@ class userTao extends userModel
      */
     public function fetchExecutionTaskCount(string $account, array $executionIdList): array
     {
+        if(!$executionIdList) return array();
+
         return $this->dao->select('execution, COUNT(1) AS count')
             ->from(TABLE_TASK)
             ->where('parent')->lt(1)