小程序获取总是报openid错误怎么搞,求救 - WXOPEN Club

总是偶发性的报下面错误,怎么搞!!!求救

VM15942:1 thirdScriptError

Cannot read property 'openid' of undefined;at pages/index/index onLoad function;at api request success callback function

TypeError: Cannot read property 'openid' of undefined

at success (http://127.0.0.1:20272/appservice/pages/index/index.js:32:50)

at Function.function.u.(anonymous function) (http://127.0.0.1:20272/appservice/__dev__/WAService.js:5:26985)

at Object.success (http://127.0.0.1:20272/appservice/__dev__/WAService.js:5:3530)

at s.<anonymous> (http://127.0.0.1:20272/appservice/__dev__/WAService.js:13:22198)

at s.emit (http://127.0.0.1:20272/appservice/__dev__/WAService.js:7:14391)

at Function.<anonymous> (http://127.0.0.1:20272/appservice/__dev__/WAService.js:13:23534)

at http://127.0.0.1:20272/appservice/__dev__/WAService.js:6:17573

at a (http://127.0.0.1:20272/appservice/appservice?t=1530603174244:1033:7423)

at b.<anonymous> (http://127.0.0.1:20272/appservice/appservice?t=1530603174244:1033:7510)

at b.emit (http://127.0.0.1:20272/appservice/appservice?t=1530603174244:1033:22796)

没有判断session_key每次都重新获取openid导致