diff --git a/web/translation/translate.zh_CN.toml b/web/translation/translate.zh_CN.toml
index 65308a0c..39716552 100644
--- a/web/translation/translate.zh_CN.toml
+++ b/web/translation/translate.zh_CN.toml
@@ -241,6 +241,7 @@
 "reviewHint"="如需修改请返回上一步"
 "unlimited"="无限制"
 "deviceLimit"="设备限制"
+"deviceLimitDesc"="请输入具体数量，0表示不限制（留空也表示不限制）"
 "speedLimit"="独立限速"
 "speedLimitDesc"="设置该用户的最大〔上传/下载速度〕，单位 KB/s，0 表示不限速"