diff --git a/app/src/main.c b/app/src/main.c
index 0c7c7d1..62c93ce 100644
--- a/app/src/main.c
+++ b/app/src/main.c
@@ -71,7 +71,7 @@ int main() {
    *                               À¶ÑÀ·þÎñ³õʼ»¯                                *
    *******************************************************************************/
   static zble_module_cfg_t cfg;
-  cfg.deviceName      = device_info_read_sn_str();
+  cfg.deviceName      = "IflyOximeter";
   cfg.on_service_init = on_service_init;
   zble_module_init(&cfg);
   /*******************************************************************************
diff --git a/oximeter_ble_server b/oximeter_ble_server
index 34a1c92..bc6f80c 160000
--- a/oximeter_ble_server
+++ b/oximeter_ble_server
@@ -1 +1 @@
-Subproject commit 34a1c922a7336ef7602e1aa54fb04334a3d7274a
+Subproject commit bc6f80c61138aeed114ffaac1def7fe85b9ce678