diff --git a/zh-cn/application-dev/reference/errorcodes/errorcode-backgroundTaskMgr.md b/zh-cn/application-dev/reference/errorcodes/errorcode-backgroundTaskMgr.md
index baeae4cd2558612dd68ff2fe1f198c8b76e9e643..83c2056fe55420588ce35425310e60aa02e95011 100644
--- a/zh-cn/application-dev/reference/errorcodes/errorcode-backgroundTaskMgr.md
+++ b/zh-cn/application-dev/reference/errorcodes/errorcode-backgroundTaskMgr.md
@@ -163,4 +163,4 @@ Caller information verification failed.
 
 **处理步骤**
 
-1. 请检查输入的参数。
\ No newline at end of file
+请检查输入的参数。
\ No newline at end of file