diff --git a/components/drivers/include/rtdevice.h b/components/drivers/include/rtdevice.h
index e1fcc2f9a2ecd0a8a3702033557763dc9204ff83..d7a6bf5addf15f28d51f2ce401cee2ed0ef286c2 100644
--- a/components/drivers/include/rtdevice.h
+++ b/components/drivers/include/rtdevice.h
@@ -85,4 +85,8 @@ rt_size_t rt_ringbuffer_emptry_size(struct rt_ringbuffer* rb);
 
 #endif /* RT_USING_I2C */
 
+#ifdef RT_USING_PM
+#include "drivers/pm.h"
+#endif
+
 #endif /* __RT_DEVICE_H__ */
diff --git a/components/finsh/cmd.c b/components/finsh/cmd.c
index 4bc73efea972ab6b110d385cc4888e213d90e57b..b46fd0ac307386a36de3991b82a1816425dc06a7 100644
--- a/components/finsh/cmd.c
+++ b/components/finsh/cmd.c
@@ -387,12 +387,12 @@ static long _list_device(struct rt_list_node *list)
         "Sound Device",
         "Graphic Device",
         "I2C Bus",
-        "I2C Device",
         "USB Slave Device",
         "USB Host Bus",
         "SPI Bus",
         "SPI Device",
         "SDIO Bus",
+		"PM Pseudo Device",
         "Unknown"
     };
 
diff --git a/include/rtdef.h b/include/rtdef.h
index 213eb1dd145fe4c3b14f8e1f69658d55cea87301..b5b31266870993091d343ad09bb1adb51d69b188 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -636,12 +636,12 @@ enum rt_device_class_type
     RT_Device_Class_Sound,                          /**< Sound device                               */
     RT_Device_Class_Graphic,                        /**< Graphic device                             */
     RT_Device_Class_I2CBUS,                         /**< I2C bus device                                 */
-    RT_Device_Class_I2CDevice,                      /**< I2C device                                 */
     RT_Device_Class_USBDevice,                      /**< USB slave device                           */
     RT_Device_Class_USBHost,                        /**< USB host bus                               */
     RT_Device_Class_SPIBUS,                         /**< SPI bus device                             */
     RT_Device_Class_SPIDevice,                      /**< SPI device                                 */
     RT_Device_Class_SDIO,                           /**< SDIO bus device                            */
+	RT_Device_Class_PM,								/**< PM pseudo device                           */
     RT_Device_Class_Unknown                         /**< unknown device                             */
 };