diff --git a/Exercise3/tricep_dip.py b/Exercise3/tricep_dip.py
index 54cdf01..6d6797d 100644
--- a/Exercise3/tricep_dip.py
+++ b/Exercise3/tricep_dip.py
@@ -175,7 +175,7 @@ class Tricep_dip_1(BaseExercise):
                         self.pre_pos = 2
                         self.had_done = True
 
-                if elbow_1 <= 100 or shoulder_1_y > elbow_1_y:
+                if elbow_1 <= 100 or shoulder_1_y >= elbow_1_y:
                     self.feedback = "上升"
                     if self.state == 1:
                         self.time += 1
@@ -204,7 +204,7 @@ class Tricep_dip_1(BaseExercise):
                         self.pre_pos = 2
                         self.had_done = True
 
-                if elbow_2 <= 100 or shoulder_2_y > elbow_2_y:
+                if elbow_2 <= 100 or shoulder_2_y >= elbow_2_y:
                     self.feedback = "上升"
                     if self.state == 1:
                         self.time += 1