diff --git a/Exercise3/tricep_dip.py b/Exercise3/tricep_dip.py
index c82a861..cd5d7b5 100644
--- a/Exercise3/tricep_dip.py
+++ b/Exercise3/tricep_dip.py
@@ -139,7 +139,7 @@ class Tricep_dip_1(BaseExercise):
 
             if self.form == 0 and self.pre_pos == 1:
                 if self.readiness_state == 0:
-                    if shoulder_1 > 70 or shoulder_2 > 70:
+                    if shoulder_1 > 70 and shoulder_2 > 70:
                         self.readiness_state = 1
                         self.heel = heel_y
                         self.speak_driver.add_speak("上杠，听到提示声后开始考试")