diff --git a/main.py b/main.py
index 5547c7a..7d75ca1 100644
--- a/main.py
+++ b/main.py
@@ -85,9 +85,13 @@ class MAT:
         if self.history.is_empty():
             self.control_logger.error("未预期的没有可用的历史记录")
             return ret
+        if self.crazy < 3:
+            self._display_status(im, ret, rate, val)
+            return ret
+            
         
         # === 状态进入逻辑 ===
-        if  now - self._start_time<17:
+        if  now - self._start_time<10:
             self._display_status(im, ret, rate, val)
             return ret
         # 1. middle: predictor返回middle立即进入slow状态
@@ -199,7 +203,7 @@ class MAT:
         rate = val/tot
         if self.history.base is not None:
             base = self.history.base
-            thr = (base*5, base*10, base*30)
+            thr = (base*5, base*9, 0.75)
             if rate < thr[0]:
                 return "transport",rate
             elif rate <thr[1]:
@@ -257,28 +261,48 @@ class MAT:
         self.ch340_init()
         cnt = 0
         self._start_time = time.time()
+        self.crazy = 4
         
         while self.running:
             if not self.ch340.running:
-                if 12 * cnt - self.total_volume < 0.5:
-                    self.ch340_pull()
-                    cnt += 1
-                    time.sleep(0.01)
-                
-                # 简化的推送逻辑
-                should_push = False
-                if self.state.is_fast_mode():
-                    should_push = True
-                elif self.state.is_slow_mode() and time.time() - self.ch340.start > mid_time:
-                    should_push = True
-                elif self.state.is_about_mode() and time.time() - self.ch340.start > end_time:
-                    should_push = True
-                
-                if should_push:
-                    speed = self.speeds[self.state.mode.value]
-                    self.volume_logger.info(f"当前体积: {self.total_volume:.2f} ml, 加入速度: {speed:.2f} ml/次")
-                    self.ch340_push(speed)
-                    self.total_volume += speed
+                if self.crazy < 3:
+                    match self.crazy:
+                        case 0:
+                            self.control_logger.info("crazy 0")
+                            self.ch340_pull()
+                            self.ch340.speed = 1.00
+                            self.ch340.push_async(vol=12)
+                            self.crazy = 1
+                        case 1:
+                            self.control_logger.info("crazy 1")
+                            self.ch340.pull_async(vol=12)
+                            self.crazy = 2
+                        case 2:
+                            self.control_logger.info("crazy 2")
+                            self.ch340.push_async(vol=8)
+                            self.total_volume = 20
+                            cnt = 2
+                            self.crazy = 3
+                else:
+                    if 12 * cnt - self.total_volume < 0.5:
+                        self.ch340_pull()
+                        cnt += 1
+                        time.sleep(0.01)
+                    
+                    # 简化的推送逻辑
+                    should_push = False
+                    if self.state.is_fast_mode():
+                        should_push = True
+                    elif self.state.is_slow_mode() and time.time() - self.ch340.start > mid_time:
+                        should_push = True
+                    elif self.state.is_about_mode() and time.time() - self.ch340.start > end_time:
+                        should_push = True
+                    
+                    if should_push:
+                        speed = self.speeds[self.state.mode.value]
+                        self.volume_logger.info(f"当前体积: {self.total_volume:.2f} ml, 加入速度: {speed:.2f} ml/次")
+                        self.ch340_push(speed)
+                        self.total_volume += speed
 
             if self._pred() is None:
                 self.control_logger.error("预测失败，跳过当前帧")
diff --git a/utils.py b/utils.py
index f3ed303..eda6549 100644
--- a/utils.py
+++ b/utils.py
@@ -23,7 +23,7 @@ class HistoryRecord:
 class History:
     """滑动窗口历史记录管理类"""
     
-    def __init__(self, max_window_size: float = 5.0, base_time = 5.0, display: bool = True):
+    def __init__(self, max_window_size: float = 5.0, base_time = 5.0, display: bool = False):
         """
         初始化历史记录管理器
         
@@ -290,6 +290,8 @@ class State:
         # 状态检查标志
         self.in_middle_check = False
         self.in_end_check = False
+        self.about_check = False
+        self.about_first_flag = False
         
         # 时间记录
         self.middle_detected_time = None
@@ -333,7 +335,7 @@ class State:
     def exit_about_with_middle(self):
         """about状态随middle一起退出"""
         if self.mode == self.Mode.ABOUT:
-            self.mode = self.Mode.FAST
+            self.mode = self.Mode.SLOW
     
     def should_check_middle_exit(self, current_time):
         """检查是否应该进行middle退出检查"""
@@ -355,9 +357,10 @@ class State:
     def get_status_text(self):
         """获取状态显示文本"""
         status = []
-        if self.in_middle_check:
+        current_time = time.time()
+        if self.in_middle_check and current_time - self.middle_detected_time > self.bounce_time:
             status.append("MIDCHK")
-        if self.in_end_check:
+        if self.in_end_check and current_time - self.end_detected_time > self.end_bounce_time:
             status.append("ENDCHK")
         return ", " + ", ".join(status) if status else ""