如何定位这个错误日志?求指导!
Cannot read property \'stop\' of null
TypeError: Cannot read property \'stop\' of null
at Object.t.operateBackgroundAudio (https://servicewechat.com/preload-4/4/index.js:1:109502)
at Object.invoke (https://servicewechat.com/preload-4/4/index.js:1:97459)