diff --git a/components/drivers/include/drivers/rt_drv_pwm.h b/components/drivers/include/drivers/rt_drv_pwm.h
index 597842b..933c95b 100644
--- a/components/drivers/include/drivers/rt_drv_pwm.h
+++ b/components/drivers/include/drivers/rt_drv_pwm.h
@@ -35,24 +35,24 @@ struct rt_pwm_configuration
     rt_bool_t  complementary;
 };
 
-struct rt_device_pwm;
+struct rt_pwm_device;
 struct rt_pwm_ops
 {
-    rt_err_t (*control)(struct rt_device_pwm *device, int cmd, void *arg);
+    rt_err_t (*control)(struct rt_pwm_device *device, int cmd, void *arg);
 };
 
-struct rt_device_pwm
+struct rt_pwm_device
 {
     struct rt_device parent;
     const struct rt_pwm_ops *ops;
 };
 
-rt_err_t rt_device_pwm_register(struct rt_device_pwm *device, const char *name, const struct rt_pwm_ops *ops, const void *user_data);
+rt_err_t rt_pwm_device_register(struct rt_pwm_device *device, const char *name, const struct rt_pwm_ops *ops, const void *user_data);
 
-rt_err_t rt_pwm_enable(struct rt_device_pwm *device, int channel);
-rt_err_t rt_pwm_disable(struct rt_device_pwm *device, int channel);
-rt_err_t rt_pwm_set(struct rt_device_pwm *device, int channel, rt_uint32_t period, rt_uint32_t pulse);
-rt_err_t rt_pwm_set_period(struct rt_device_pwm *device, int channel, rt_uint32_t period);
-rt_err_t rt_pwm_set_pulse(struct rt_device_pwm *device, int channel, rt_uint32_t pulse);
+rt_err_t rt_pwm_enable(struct rt_pwm_device *device, int channel);
+rt_err_t rt_pwm_disable(struct rt_pwm_device *device, int channel);
+rt_err_t rt_pwm_set(struct rt_pwm_device *device, int channel, rt_uint32_t period, rt_uint32_t pulse);
+rt_err_t rt_pwm_set_period(struct rt_pwm_device *device, int channel, rt_uint32_t period);
+rt_err_t rt_pwm_set_pulse(struct rt_pwm_device *device, int channel, rt_uint32_t pulse);
 
 #endif /* __DRV_PWM_H_INCLUDE__ */
diff --git a/components/drivers/misc/rt_drv_pwm.c b/components/drivers/misc/rt_drv_pwm.c
index bb59972..ff7aa6f 100644
--- a/components/drivers/misc/rt_drv_pwm.c
+++ b/components/drivers/misc/rt_drv_pwm.c
@@ -15,7 +15,7 @@
 static rt_err_t _pwm_control(rt_device_t dev, int cmd, void *args)
 {
     rt_err_t result = RT_EOK;
-    struct rt_device_pwm *pwm = (struct rt_device_pwm *)dev;
+    struct rt_pwm_device *pwm = (struct rt_pwm_device *)dev;
 
     if (pwm->ops->control)
     {
@@ -34,7 +34,7 @@ size : number of pulse, only set to sizeof(rt_uint32_t).
 static rt_size_t _pwm_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_t size)
 {
     rt_err_t result = RT_EOK;
-    struct rt_device_pwm *pwm = (struct rt_device_pwm *)dev;
+    struct rt_pwm_device *pwm = (struct rt_pwm_device *)dev;
     rt_uint32_t *pulse = (rt_uint32_t *)buffer;
     struct rt_pwm_configuration configuration = {0};
 
@@ -62,7 +62,7 @@ size : number of pulse, only set to sizeof(rt_uint32_t).
 static rt_size_t _pwm_write(rt_device_t dev, rt_off_t pos, const void *buffer, rt_size_t size)
 {
     rt_err_t result = RT_EOK;
-    struct rt_device_pwm *pwm = (struct rt_device_pwm *)dev;
+    struct rt_pwm_device *pwm = (struct rt_pwm_device *)dev;
     rt_uint32_t *pulse = (rt_uint32_t *)buffer;
     struct rt_pwm_configuration configuration = {0};
 
@@ -100,11 +100,11 @@ static const struct rt_device_ops pwm_device_ops =
 };
 #endif /* RT_USING_DEVICE_OPS */
 
-rt_err_t rt_device_pwm_register(struct rt_device_pwm *device, const char *name, const struct rt_pwm_ops *ops, const void *user_data)
+rt_err_t rt_pwm_device_register(struct rt_pwm_device *device, const char *name, const struct rt_pwm_ops *ops, const void *user_data)
 {
     rt_err_t result = RT_EOK;
 
-    rt_memset(device, 0, sizeof(struct rt_device_pwm));
+    rt_memset(device, 0, sizeof(struct rt_pwm_device));
 
 #ifdef RT_USING_DEVICE_OPS
     device->parent.ops = &pwm_device_ops;
@@ -126,7 +126,7 @@ rt_err_t rt_device_pwm_register(struct rt_device_pwm *device, const char *name,
     return result;
 }
 
-rt_err_t rt_pwm_enable(struct rt_device_pwm *device, int channel)
+rt_err_t rt_pwm_enable(struct rt_pwm_device *device, int channel)
 {
     rt_err_t result = RT_EOK;
     struct rt_pwm_configuration configuration = {0};
@@ -143,7 +143,7 @@ rt_err_t rt_pwm_enable(struct rt_device_pwm *device, int channel)
     return result;
 }
 
-rt_err_t rt_pwm_disable(struct rt_device_pwm *device, int channel)
+rt_err_t rt_pwm_disable(struct rt_pwm_device *device, int channel)
 {
     rt_err_t result = RT_EOK;
     struct rt_pwm_configuration configuration = {0};
@@ -160,7 +160,7 @@ rt_err_t rt_pwm_disable(struct rt_device_pwm *device, int channel)
     return result;
 }
 
-rt_err_t rt_pwm_set(struct rt_device_pwm *device, int channel, rt_uint32_t period, rt_uint32_t pulse)
+rt_err_t rt_pwm_set(struct rt_pwm_device *device, int channel, rt_uint32_t period, rt_uint32_t pulse)
 {
     rt_err_t result = RT_EOK;
     struct rt_pwm_configuration configuration = {0};
@@ -178,7 +178,7 @@ rt_err_t rt_pwm_set(struct rt_device_pwm *device, int channel, rt_uint32_t perio
     return result;
 }
 
-rt_err_t rt_pwm_set_period(struct rt_device_pwm *device, int channel, rt_uint32_t period)
+rt_err_t rt_pwm_set_period(struct rt_pwm_device *device, int channel, rt_uint32_t period)
 {
     rt_err_t result = RT_EOK;
     struct rt_pwm_configuration configuration = {0};
@@ -195,7 +195,7 @@ rt_err_t rt_pwm_set_period(struct rt_device_pwm *device, int channel, rt_uint32_
     return result;
 }
 
-rt_err_t rt_pwm_set_pulse(struct rt_device_pwm *device, int channel, rt_uint32_t pulse)
+rt_err_t rt_pwm_set_pulse(struct rt_pwm_device *device, int channel, rt_uint32_t pulse)
 {
     rt_err_t result = RT_EOK;
     struct rt_pwm_configuration configuration = {0};
@@ -212,7 +212,7 @@ rt_err_t rt_pwm_set_pulse(struct rt_device_pwm *device, int channel, rt_uint32_t
     return result;
 }
 
-rt_err_t rt_pwm_get(struct rt_device_pwm *device, struct rt_pwm_configuration *cfg)
+rt_err_t rt_pwm_get(struct rt_pwm_device *device, struct rt_pwm_configuration *cfg)
 {
     rt_err_t result = RT_EOK;
 
@@ -235,7 +235,7 @@ static int pwm(int argc, char **argv)
 {
     rt_err_t result = -RT_ERROR;
     char *result_str;
-    static struct rt_device_pwm *pwm_device = RT_NULL;
+    static struct rt_pwm_device *pwm_device = RT_NULL;
     struct rt_pwm_configuration cfg = {0};
 
     if(argc > 1)
@@ -244,7 +244,7 @@ static int pwm(int argc, char **argv)
         {
             if(argc == 3)
             {
-                pwm_device = (struct rt_device_pwm *)rt_device_find(argv[2]);
+                pwm_device = (struct rt_pwm_device *)rt_device_find(argv[2]);
                 result_str = (pwm_device == RT_NULL) ? "failure" : "success";
                 rt_kprintf("probe %s %s\n", argv[2], result_str);
             }