save project

my_game.py

@@ -26,8 +26,9 @@ while True:
             # 接收到退出事件后退出程序
             exit()
         if event.type == locals.KEYDOWN:
-            if event.key == locals.K_SPACE:
-                b="up"
+            if b=="running":
+                if event.key == locals.K_SPACE:
+                    b="up"
     if b =="up":
         if t>0:
             y-=t
@@ -50,7 +51,7 @@ while True:
     wk=hero[a]
     a+=1
     if a>4:
-        a=0
+        a=1
     # 将背景图画上去
     screen.blit(background, (0, 0))
     screen.blit(road, (0, 500))