var newContent = this.comp('appendDiv').add({})这句js 报错了
Cannot read property 'add' of undefined
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TypeError: Cannot read property 'add' of undefined at Model.gridSelect2UpdateValue (http://localhost:8080/x5/UI2/v_ec5e08859af14ee0893ab6da6fda7dc6l_zh_CNs_desktopd_pc/RMP/RCC/process/Account_Manger/detailDialog.js:39:42) at r.extend.fire (http://localhost:8080/x5/UI2/v_f6921956d5ed4487af37cf229bfa5061l_zh_CNs_desktopd_pc/system/core.min.js:65:236000) at r.extend.fireEvent (http://localhost:8080/x5/UI2/v_f6921956d5ed4487af37cf229bfa5061l_zh_CNs_desktopd_pc/system/core.min.js:65:237164) at n.callParent (http://localhost:8080/x5/UI2/v_f6921956d5ed4487af37cf229bfa5061l_zh_CNs_desktopd_pc/system/core.min.js:65:233439) at Component.extend.fireEvent (http://localhost:8080/x5/UI2/v_1922d271d8a346e5ada241ddb01e962dl_zh_CNs_desktopd_pc/system/common.min.js:15:3768) at n.BindComponent.extend._updateRefValue (eval at <anonymous>