diff --git a/my_game.py b/my_game.py
index 272f99a..bb509a7 100644
--- a/my_game.py
+++ b/my_game.py
@@ -73,14 +73,14 @@ while True:
             if t > 0:
                 y -= t
                 wukong.rect.y = y
-                t -= 2
+                t -= 1
             else:
                 jumpState = "down"  
         if jumpState == "down":    # 降落状态
             if t <= 30:
                 y += t
                 wukong.rect.y = y
-                t += 2
+                t += 1
             else:
                 jumpState = "runing"
                 t =30