slider

objc[45162]: Class ViewController1 is implemented in both /Users/xiaoyang/Library/Developer/CoreSimulator/Devices/83AF8B2F-3254-4B54-9D6E-6BEE07E31BDF/data/Containers/Bundle/Application/FB856B56-A896-411E-A8AF-A20BEABDDEE1/ShenBianDian_busshop.app/ShenBianDian_busshop (0x10d7acaa8) and /Users/xiaoyang/Library/Containers/com.johnholdsworth.InjectionIII/Data/eval101.dylib (0x130fefad0). One of the two will be used. Which one is undefined. 2018-08-23 15:05:16.508861+0800 ShenBianDian_busshop[45162:2569534] invalid mode 'kCFRunLoopCommonModes' provided...

就是我不想拖曳的时候跳到 （上/下）一个index

同求