diff --git a/handlers.go b/handlers.go
index 5fc9da1..d1fe8a1 100644
--- a/handlers.go
+++ b/handlers.go
@@ -1,7 +1,5 @@
 package iot
 
-type CommandHandler func(Command) bool
-
 // 设备命令
 type Command struct {
 	ObjectDeviceId string      `json:"object_device_id"`
@@ -28,8 +26,6 @@ func FailedIotCommandResponse() CommandResponse {
 	}
 }
 
-// 设备消息
-type MessageHandler func(message Message) bool
 
 type Message struct {
 	ObjectDeviceId string      `json:"object_device_id"`
@@ -50,7 +46,6 @@ type ServicePropertyEntry struct {
 }
 
 // 平台设置设备属性==================================================
-type DevicePropertiesSetHandler func(message DevicePropertyDownRequest) bool
 
 type DevicePropertyDownRequest struct {
 	ObjectDeviceId string                           `json:"object_device_id"`
@@ -82,9 +77,6 @@ func FailedPropertiesSetResponse() DevicePropertyDownResponse {
 }
 
 // 平台设置设备属性==================================================
-
-// 平台查询设备属性
-type DevicePropertyQueryHandler func(query DevicePropertyQueryRequest) ServicePropertyEntry
 type DevicePropertyQueryRequest struct {
 	ObjectDeviceId string `json:"object_device_id"`
 	ServiceId      string `json:"service_id"`
diff --git a/iotdevice.go b/iot_device.go
similarity index 100%
rename from iotdevice.go
rename to iot_device.go
diff --git a/options.go b/options.go
index 2d5e8fd..83b940b 100644
--- a/options.go
+++ b/options.go
@@ -4,4 +4,16 @@ package iot
 type SubDevicesAddHandler func(devices SubDeviceInfo)
 
 //子设备删除糊掉函数
-type SubDevicesDeleteHandler func(devices SubDeviceInfo)
\ No newline at end of file
+type SubDevicesDeleteHandler func(devices SubDeviceInfo)
+
+// 处理平台下发的命令
+type CommandHandler func(Command) bool
+
+// 设备消息
+type MessageHandler func(message Message) bool
+
+// 平台设置设备属性
+type DevicePropertiesSetHandler func(message DevicePropertyDownRequest) bool
+
+// 平台查询设备属性
+type DevicePropertyQueryHandler func(query DevicePropertyQueryRequest) ServicePropertyEntry
\ No newline at end of file