diff --git a/Exercise3/tricep_dip.py b/Exercise3/tricep_dip.py
index 16cd496..4cdbb25 100644
--- a/Exercise3/tricep_dip.py
+++ b/Exercise3/tricep_dip.py
@@ -189,7 +189,7 @@ class Tricep_dip_1(BaseExercise):
                             self.state = 0
                             self.time = 0
 
-                if elbow_1 >= 146 and shoulder_1_y < elbow_1_y and shoulder_1_y < self.initial_wrist_1_y - 60 and shoulder_angle > 60 and self.count > 0 and wrist_1_y - self.initial_wrist_1_y < 50:
+                if elbow_1 >= 146 and shoulder_1_y < elbow_1_y and shoulder_1_y < self.initial_wrist_1_y - 30 and shoulder_angle > 60 and self.count > 0 and wrist_1_y - self.initial_wrist_1_y < 50:
                     self.feedback = "下落"
                     if self.state == 0:
                         self.time += 1
@@ -218,7 +218,7 @@ class Tricep_dip_1(BaseExercise):
                             self.state = 0
                             self.time = 0
 
-                if elbow_2 >= 146 and shoulder_2_y < elbow_2_y and shoulder_2_y < self.initial_wrist_2_y - 60 and shoulder_angle > 60 and self.count > 0 and wrist_2_y - self.initial_wrist_2_y < 50:
+                if elbow_2 >= 146 and shoulder_2_y < elbow_2_y and shoulder_2_y < self.initial_wrist_2_y - 30 and shoulder_angle > 60 and self.count > 0 and wrist_2_y - self.initial_wrist_2_y < 50:
                     self.feedback = "下落"
                     if self.state == 0:
                         self.time += 1