diff --git a/APP/main.c b/APP/main.c
index ec42415..32ca670 100644
--- a/APP/main.c
+++ b/APP/main.c
@@ -14,7 +14,7 @@ static key_t s_keys[] = {
     s_key_init("intervalkey", port_gpio_get_interval_key_state),
 };
 
-static ThisDevice_t this_device = {.power = false};
+static ThisDevice_t this_device;
 
 static void mf_init_all_subdevice_state() {
   port_debug_set(false);
@@ -28,14 +28,23 @@ static void mf_init_all_subdevice_state() {
   port_led_b_set(false);
 }
 
+//开始工作
+static void startwork() { port_fan_set(true); }
+//停止工作
+static void stopwork() { port_fan_set(false); }
+
 static void poweron() {
   this_device.power = true;
-  port_fan_set(true);
+  this_device.ozone_level = level_low;
+  this_device.ozone_module = normal;
+  startwork();
+
   return;
 }
 static void powerdown() {
   this_device.power = false;
-  port_fan_set(false);
+  stopwork();
+
   return;
 }
 
@@ -52,14 +61,23 @@ static void mf_process_poweron_key(key_t *key) {
   return;
 }
 static void mf_process_level_key(key_t *key) {
+  if (!this_device.power) {
+    return;
+  }
   printf("key name:%s\n", key->name);
   return;
 }
 static void mf_process_timer_key(key_t *key) {
+  if (!this_device.power) {
+    return;
+  }
   printf("key name:%s\n", key->name);
   return;
 }
 static void mf_process_interval_key(key_t *key) {
+  if (!this_device.power) {
+    return;
+  }
   printf("key name:%s\n", key->name);
   return;
 }
diff --git a/APP/this_device.h b/APP/this_device.h
index cb4a9b4..6a7f68f 100644
--- a/APP/this_device.h
+++ b/APP/this_device.h
@@ -2,7 +2,19 @@
 #include <stdbool.h>
 #include <stdint.h>
 
+typedef enum {
+  level_low,
+  level_high,
+} ozone_level_t;
+
+typedef enum {
+  normal,
+  timingMode,
+  intermittentMode,
+} ozone_module_t;
+
 typedef struct {
-  /* data */
   bool power;
+  ozone_level_t ozone_level;
+  ozone_module_t ozone_module;
 } ThisDevice_t;