diff --git a/internal/logic/domain/device/device_service.go b/internal/logic/domain/device/device_service.go
index 51d9dae..66e1de4 100644
--- a/internal/logic/domain/device/device_service.go
+++ b/internal/logic/domain/device/device_service.go
@@ -22,7 +22,7 @@ var DeviceService = new(deviceService)
 
 const (
 	SignInKey    = "%s:gim_sign_in:%s" // 占位符： masterId， key的第一个字母
-	SignInExpire = 30 * time.Second
+	SignInExpire = 5 * time.Second
 )
 
 // Register 注册设备