that.setdata is not a function报错？求解决

MiniProgramErrorthat.setdata is not a functionTypeError: that.setdata is not a function    at success (http://127.0.0.1:24079/appservice/pages/duanzi/duanzi.js:32:14)    at Function.i.            (http://      127.0.      0.1:      24079/appservice/__dev__/WAService.js:      2:      1794394)    at              function           >    at http://127.0.0.1:24079/appservice/__dev__/WAService.js:2:121691    at k (http://127.0.0.1:24079/appservice/__dev__/WAService.js:2:600639)    at Function.          (http://     127.0.     0.1:     24079/appservice/__dev__/WAService.js:     2:     804142)    at            function         >    at http://127.0.0.1:24079/appservice/__dev__/WAService.js:2:121691    at http://127.0.0.1:24079/appservice/__dev__/WAService.js:2:783472    at Set.forEach (       )————————————————————————————————该部分js对应为：Page({  onLoad:     function onLoad() {        var _this2 =     this;        console.log(    'onLoad');    wx.request({      url:     'https://bb.yqchh.com/api/index.php',      //仅为示例，并非真实的接口地址      data: {        a:     ''      },      header: {            'content-type':     'application/json' // 默认值      },      success:     function success(res) {            console.log(res.data);        _this2.setData({          a: res.data        });      }    });        var that =     this;    wx.request({      url:     'https://bb.yqchh.com/api/index.php',      success:     function success(res) {        that.setdata({          a: res.data        });      }    });  }});wx.showShareMenu({  withShareTicket:     true,  menus: [    'shareAppMessage',     'shareTimeline'],  success:     function success(res) {        console.log(    'showShareMenu', res);  },  onShareTimeline:     function onShareTimeline() {        var _this =     this;        return {      title:     "页面标题",      query:     "页面路径"    };  }});    //# sourceMappingURL=data:application/json;charset=utf-8;base64,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}   );___________谢谢好心人。