小程序代码都是同一套，微信版本为7.0.9时没出现过这种问题，升级到7.0.12版本频繁出现该问题。 操作系统：ios 微信版本：7.0.12 onLoad@https://usr/app-service.js:1421:2128 onLoad@[native code] https://lib/WASubContext.js:2:1558937 [native code] https://lib/WASubContext.js:2:1558682 xt@https://lib/WASubContext.js:2:1574317 Dt@https://lib/WASubContext.js:2:1575808 https://lib/WASubContext.js:2:1581713 https://lib/WASubContext.js:2:1550059 https://lib/WASubContext.js:2:478746 emit@https://lib/WASubContext.js:2:465194 https://lib/WASubContext.js:2:494793 https://lib/WASubContext.js:2:463370 https://lib/WAServiceMainContext.js:2:225277 _@https://lib/WAServiceMainContext.js:2:77596 global code