diff --git a/APP/key.c b/APP/key.c
index 28fc20c..06ffb2c 100644
--- a/APP/key.c
+++ b/APP/key.c
@@ -18,17 +18,50 @@ void key_init(key_module_t *key_module) {
 }
 
 void key_do_loop_in_each_period() {
+  //如果没初始化则不进行按键扫描
+  if (!s_inited) {
+    return;
+  }
+
+  //按键扫描
   for (int i = 0; i < key_module_s->nkey; i++) {
     // printf("key_name:%s\n", key_module_s->keys[i].name);
     key_process_each(&key_module_s->keys[i]);
   }
 }
 
+static void prv_zkey_process_each_after_filter(key_t *each, bool now_io_state) {
+  if (now_io_state != each->last_io_state) {
+    if (now_io_state) {
+      each->keep_state_count = 0;
+      each->hasProcessed = false;
+      each->cur_state = zks_rising_edge;
+      key_module_s->onkey(each, each->cur_state);
+    } else {
+      each->cur_state = zks_falling_edge;
+      key_module_s->onkey(each, each->cur_state);
+      each->keep_state_count = 0;
+    }
+    each->last_io_state = now_io_state;
+  } else {
+    each->cur_state = zks_keep;
+    if (now_io_state) {
+      key_module_s->onkey(each, each->cur_state);
+    }
+  }
+}
+
 void key_process_each(key_t *each) {
   each->keep_state_count++;
 
-  bool now_io_state = each->get_key_state();  //获取现在的按键io状态
-  if (!now_io_state) {
-    key_module_s->onkey(each, zks_rising_edge);
-  }
+  bool now_io_state = each->get_key_state();  //获取现在的按键io状态 true未按下 false按下
+
+//   if (now_io_state != each->last_io_state) {
+//     each->keep_state_count = 0;
+//   }
+
+  each->after_filter_state = now_io_state;
+  each->last_real_state = now_io_state;
+
+  prv_zkey_process_each_after_filter(each, each->after_filter_state);
 }
\ No newline at end of file