diff --git a/Exercise3/pull_up_1.py b/Exercise3/pull_up_1.py
index ec4fd83..b759cf1 100644
--- a/Exercise3/pull_up_1.py
+++ b/Exercise3/pull_up_1.py
@@ -11,7 +11,7 @@ from .base_exercise import BaseExercise
 
 
 class PullUp_1(BaseExercise):
-    def __init__(self, info, statistic_time=99999, camera=None):
+    def __init__(self, info, statistic_time=900, camera=None):
         super().__init__(info, statistic_time, camera=camera)
         # 个数统计
         self.bar = None
@@ -203,8 +203,8 @@ class PullUp_1(BaseExercise):
                                 self.direction = 0
                                 self._time = 0
                                 self.end_test = 0
-                                    self.speak_driver.speed_control(320)
-                                    self.speak_driver.add_speak("{}".format(int(self.count)))
+                                self.speak_driver.speed_control(400)
+                                self.speak_driver.add_speak("{}".format(int(self.count)))
                                 if self.count == 1:
                                     self.initial_wrist_1_y = wrist_1_y
                                     self.initial_wrist_2_y = wrist_2_y
diff --git a/Exercise3/pull_up_2.py b/Exercise3/pull_up_2.py
index 4ec3cad..ef1ede3 100644
--- a/Exercise3/pull_up_2.py
+++ b/Exercise3/pull_up_2.py
@@ -9,7 +9,7 @@ from .base_exercise import BaseExercise
 
 
 class PullUp_2(BaseExercise):
-    def __init__(self, info, statistic_time=99999, camera=None):
+    def __init__(self, info, statistic_time=900, camera=None):
         super().__init__(info, statistic_time, camera=camera)
         # 个数统计
         self.bar = None
diff --git a/Exercise3/pull_up_3.py b/Exercise3/pull_up_3.py
index 17fc7c5..171f47f 100644
--- a/Exercise3/pull_up_3.py
+++ b/Exercise3/pull_up_3.py
@@ -9,7 +9,7 @@ from .base_exercise import BaseExercise
 
 
 class PullUp_3(BaseExercise):
-    def __init__(self, info, statistic_time=99999, camera=None):
+    def __init__(self, info, statistic_time=900, camera=None):
         super().__init__(info, statistic_time, camera=camera)
         # 个数统计
         self.bar = None
diff --git a/Exercise3/tricep_dip.py b/Exercise3/tricep_dip.py
index c893f3a..dc646de 100644
--- a/Exercise3/tricep_dip.py
+++ b/Exercise3/tricep_dip.py
@@ -8,7 +8,7 @@ from .base_exercise import BaseExercise
 
 
 class Tricep_dip_1(BaseExercise):
-    def __init__(self, info, statistic_time=99999, camera=None):
+    def __init__(self, info, statistic_time=900, camera=None):
         super().__init__(info, statistic_time, camera=camera)
         # 个数统计
         self.bar = None
diff --git a/LSZXBackend/exercise_backend.py b/LSZXBackend/exercise_backend.py
index c60bd04..773e00b 100644
--- a/LSZXBackend/exercise_backend.py
+++ b/LSZXBackend/exercise_backend.py
@@ -579,6 +579,8 @@ class ExerciseBackend(LSZXBackend.base_driver.BaseDriver):
                 _count = count
                 _score = real_score
             elif self.exercise_tag in {PULLUP, TRICEDIP} and had_done == False:
+                # 主动清空缓存
+
                 # 结束屏幕录制
                 video_name = self.project.info[ID] + '_' + self.project.info[
                     "name"] + '_' + self.project.exercise_type + '_' + str(real_score)