save project

my_music.py

@@ -28,15 +28,14 @@ while True:
         if event.type == locals.KEYDOWN:
             if event.key == locals.K_UP:
                 volume += 0.1
-                if volume > 1:
-                    volume = 1
+                if volume >1:
+                    volume =1
                 pygame.mixer.music.set_volume(volume)
-            if event.key == locals.K_DOWN:
+            if event.key == locals.K_UP:
                 volume -= 0.1
-                if volume < 0:
-                    volume = 0
+                if volume <0:
+                    volume =0
                 pygame.mixer.music.set_volume(volume)
-
         # 按下鼠标
         if event.type == locals.MOUSEBUTTONDOWN:
             if event.button == 1: