save project

my_game.py

@@ -27,8 +27,9 @@ 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:
-                jumpstate="up"
+            if jumpstate == "running":
+                if event.key==locals.K_SPACE:
+                    jumpstate="up"
     if jumpstate=="up":
         if t>0:
             y-=t