diff --git a/docs/API_reference/zh/syslib/modem.md b/docs/API_reference/zh/syslib/modem.md
index ec3b4f3abe7aebd70b1faf9772087ea50f99cbde..e1a092867e9a5da8d4c686a6beb6200cb6dcfc7c 100644
--- a/docs/API_reference/zh/syslib/modem.md
+++ b/docs/API_reference/zh/syslib/modem.md
@@ -46,7 +46,7 @@ modem.getDevModel()
 ```
 
 ## 获取设备序列号
-> FCM360W不支持该方法
+
 ### `modem.getDevSN`
 
 ```python