Fix potential collision issue
Fix potential collision issue

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