diff --git a/internal/app/service/device/device_service.go b/internal/app/service/device/device_service.go
index 4a7a45c..c8eee1b 100644
--- a/internal/app/service/device/device_service.go
+++ b/internal/app/service/device/device_service.go
@@ -22,9 +22,6 @@ type Service interface {
 
 	// Switch 用于切换指定设备的状态, 比如启动和停止
 	Switch(device models.Device, action DeviceAction) error
-
-	// Ping 用于检查设备是否正常
-	Ping() error
 }
 
 // 设备操作指令通用结构(最外层)