diff --git a/main/app_main.cpp b/main/app_main.cpp
index 3f5d87a..9654d4e 100644
--- a/main/app_main.cpp
+++ b/main/app_main.cpp
@@ -8,7 +8,9 @@ extern "C"
 #include "wifi.h"
 #include "heating_plate.h"
 }
-
+/***********************************************************************************************************************
+ * *******************************************************light******************************************************* *
+ ***********************************************************************************************************************/
 power_state_light_structer_t power_state_light_structer = {
     .state = ShutDown,
     .change_flag = false,
@@ -26,6 +28,14 @@ wifi_state_light_structer_t wifi_state_light_structer = {
     .change_flag = false,
 };
 
+/***********************************************************************************************************************
+ * ********************************************************key******************************************************** *
+ ***********************************************************************************************************************/
+T_key_structer_t T_key_structer = {
+    .key_before_state = false,
+    .key_now_state = false,
+};
+
 static void T_all_light_init(void)
 {
     T_power_light_init(&power_state_light_structer);
@@ -40,10 +50,10 @@ extern "C" void app_main(void)
     T_all_light_init();
     ble_spp_server_init();
     camera_init();
-    T_key_init();
+    T_key_init(&T_key_structer);
     T_wifi_init();
 
-    T_key_registered_cb();
+    T_key_registered_cb(camera_recognition_reaction_plate);
     T_wifi_registered_cb();
 
     while (true)
diff --git a/main/camera.cpp b/main/camera.cpp
index 37c09c5..ac76cf1 100644
--- a/main/camera.cpp
+++ b/main/camera.cpp
@@ -22,4 +22,4 @@ void camera_registered_cb(void) {}
 
 void camera_taking_pictures(void) {}
 
-void camera_recognition_reaction_plate(void) {}
\ No newline at end of file
+bool camera_recognition_reaction_plate(void) { return false; }
\ No newline at end of file
diff --git a/main/camera.h b/main/camera.h
index 8feeff9..a50cc39 100644
--- a/main/camera.h
+++ b/main/camera.h
@@ -4,4 +4,4 @@ void camera_motion_detection_init(void);
 void camera_init(void);
 void camera_registered_cb(void);
 void camera_taking_pictures(void);
-void camera_recognition_reaction_plate(void);
\ No newline at end of file
+bool camera_recognition_reaction_plate(void);
\ No newline at end of file
diff --git a/main/key.c b/main/key.c
index 97f5962..a995ab2 100644
--- a/main/key.c
+++ b/main/key.c
@@ -1,11 +1,16 @@
 #include "key.h"
 
-void T_key_init(void)
+static T_key_structer_t *T_key_structer_s;
+static key_cb callback_s;
+
+void T_key_init(T_key_structer_t *T_key_structer)
 {
+    T_key_structer_s = T_key_structer;
 }
 
-void T_key_registered_cb(void)
+void T_key_registered_cb(key_cb cb)
 {
+    callback_s = cb;
 }
 
 void T_key_on_event(void)
@@ -14,4 +19,22 @@ void T_key_on_event(void)
 
 void T_key_schedule(void)
 {
+    T_key_structer_s->key_now_state = T_key_get_level();
+    if ((T_key_structer_s->key_before_state != T_key_structer_s->key_now_state) && (T_key_structer_s->key_now_state == true))
+    {
+        if (callback_s())
+        {
+            /* 有反应板的处理 */
+        }
+        else
+        {
+            /* 没有反应板的处理(加热) */
+        }
+    }
+    T_key_structer_s->key_before_state = T_key_structer_s->key_now_state;
+}
+
+bool T_key_get_level(void)
+{
+    return false;
 }
\ No newline at end of file
diff --git a/main/key.h b/main/key.h
index c605879..3950d1d 100644
--- a/main/key.h
+++ b/main/key.h
@@ -1,11 +1,17 @@
 #pragma once
 
+#include "stdbool.h"
+
 typedef struct
 {
-    uint32_t pressed_of_key_count;
+    bool key_before_state;
+    bool key_now_state;
 } T_key_structer_t;
 
-void T_key_init(void);
-void T_key_registered_cb(void);
+typedef bool (*key_cb)(void);
+
+void T_key_init(T_key_structer_t *T_key_structer);
+void T_key_registered_cb(key_cb cb);
 void T_key_on_event(void);
-void T_key_schedule(void);
\ No newline at end of file
+void T_key_schedule(void);
+bool T_key_get_level(void);
\ No newline at end of file