我们的小程序部分系统版本报错，appid: wx4a4f0573a517ab89 系统：ios 客户端版本：8.0.26 基础库版本：2.25.3

备注：全部是ios手机 客户端版本和基础库都一样

line:1,column:605350,TypeError: undefined is not an object (evaluating \'this._setDataCallbackMap[r]\') Stack:triggerSetDataCallbacks@https://lib/WASubContext.js:1:605350

@https://lib/WASubContext.js:1:603674

Y@https://lib/WASubContext.js:1:558338

@https://lib/WASubContext.js:1:558796

@https://lib/WAServiceMainContext.js:1:794573

emit@https://lib/WAServiceMainContext.js:1:81766

@https://lib/WAServiceMainContext.js:1:90210

dispatch@https://lib/WAServiceMainContext.js:1:86262

cb@https://lib/WAServiceMainContext.js:1:87238

cb@[native code]

emit@https://lib/WAServiceMainContext.js:1:81389

subscribeHandler@https://lib/WAServiceMainContext.js:1:83929

global code@

triggerSetDataCallbacks@https://lib/WASubContext.js:1:605350

@https://lib/WASubContext.js:1:603674

Y@https://lib/WASubContext.js:1:558338

@https://lib/WASubContext.js:1:558796

@https://lib/WAServiceMainContext.js:1:794573

emit@https://lib/WAServiceMainContext.js:1:81766

@https://lib/WAServiceMainContext.js:1:90210

dispatch@https://lib/WAServiceMainContext.js:1:86262

cb@https://lib/WAServiceMainContext.js:1:87238

emit@https://lib/WAServiceMainContext.js:1:81389

subscribeHandler@https://lib/WAServiceMainContext.js:1:83929