Fix a bug which lets you sprint indefinitely
Fix a bug which lets you sprint indefinitely

ziming/IOS,ziming/IOS,iosoccer/iosoccer-game,romdi/IOS,iosoccer/iosoccer-game,romdi/IOS,iosoccer/iosoccer-game,romdi/IOS,romdi/IOS,iosoccer/iosoccer-game,ziming/IOS,ziming/IOS