ios 和安卓 微笑小程序无法返回app 都报如下错，调试基础库 3.1.5 微信版本号 8.0.47 [图片] index.js:1 MiniProgramError undefined is not a function (near '...wx.getLaunchAppInfo...') TypeError: undefined is not a function (near '...wx.getLaunchAppInfo...') _onThisTap@https://lib/WARenderContext.js:1:412074 p@https://lib/WAServiceMainContext.js:1:425725 call@https://lib/WAServiceMainContext.js:1:425616 callListener@https://lib/WAServiceMainContext.js:1:459945 @https://lib/WAServiceMainContext.js:1:461093 n@https://lib/WAServiceMainContext.js:1:460352 o@https://lib/WAServiceMainContext.js:1:460637 dispatch@https://lib/WAServiceMainContext.js:1:460958 v@https://lib/WARenderContext.js:1:843862 dispatchEvent@https://lib/WARenderContext.js:1:844408 @https://lib/WARenderContext.js:1:845273 je@https://lib/WAServiceMainContext.js:1:582959 handleTap@https://lib/WARenderContext.js:1:845241 handleTrackEnd@https://lib/WARenderContext.js:1:846565 dispatchTouchEvent@https://lib/WARenderContext.js:1:847257 @https://lib/WARenderContext.js:1:860324 @https://lib/WARenderContext.js:1:843480 global @ index.js:1 微信小程序 <button open-type="launchApp" app-parameter="wechat" binderror="launchAppError">打开APP</button>