Cannot read property 'width' of undefined

[yin-xie]

core.js:12632 ERROR Error: Uncaught (in promise): TypeError: Cannot read property 'width' of undefined TypeError: Cannot read property 'width' of undefined at U.GR (eval at AY (getscript?v=3.0&ak=8cCFbavuWzrvBgUBs5w6PyV3xsXDohp6&services=&t=20181029164750:1), :1:4620) at U.ij (eval at AY (getscript?v=3.0&ak=8cCFbavuWzrvBgUBs5w6PyV3xsXDohp6&services=&t=20181029164750:1), :1:4213) at U.initialize (eval at AY (getscript?v=3.0&ak=8cCFbavuWzrvBgUBs5w6PyV3xsXDohp6&services=&t=20181029164750:1), :1:139) at U.initialize (eval at AY (getscript?v=3.0&ak=8cCFbavuWzrvBgUBs5w6PyV3xsXDohp6&services=&t=20181029164750:1), :1:3820) at U.xe (getscript?v=3.0&ak=8cCFbavuWzrvBgUBs5w6PyV3xsXDohp6&services=&t=20181029164750:1) at Na.Ka (getscript?v=3.0&ak=8cCFbavuWzrvBgUBs5w6PyV3xsXDohp6&services=&t=20181029164750:1) at angular2-baidu-map.js:598 at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke (zone.js:388) at Object.onInvoke (core.js:14191) at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke (zone.js:387) at U.GR (eval at AY (getscript?v=3.0&ak=8cCFbavuWzrvBgUBs5w6PyV3xsXDohp6&services=&t=20181029164750:1), :1:4620) at U.ij (eval at AY (getscript?v=3.0&ak=8cCFbavuWzrvBgUBs5w6PyV3xsXDohp6&services=&t=20181029164750:1), :1:4213) at U.initialize (eval at AY (getscript?v=3.0&ak=8cCFbavuWzrvBgUBs5w6PyV3xsXDohp6&services=&t=20181029164750:1), :1:139) at U.initialize (eval at AY (getscript?v=3.0&ak=8cCFbavuWzrvBgUBs5w6PyV3xsXDohp6&services=&t=20181029164750:1), :1:3820) at U.xe (getscript?v=3.0&ak=8cCFbavuWzrvBgUBs5w6PyV3xsXDohp6&services=&t=20181029164750:1) at Na.Ka (getscript?v=3.0&ak=8cCFbavuWzrvBgUBs5w6PyV3xsXDohp6&services=&t=20181029164750:1) at angular2-baidu-map.js:598 at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke (zone.js:388) at Object.onInvoke (core.js:14191) at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invoke (zone.js:387) at resolvePromise (zone.js:814) at resolvePromise (zone.js:771) at zone.js:873 at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask (zone.js:421) at Object.onInvokeTask (core.js:14182) at ZoneDelegate.push../node_modules/zone.js/dist/zone.js.ZoneDelegate.invokeTask (zone.js:420) at Zone.push../node_modules/zone.js/dist/zone.js.Zone.runTask (zone.js:188) at drainMicroTaskQueue (zone.js:595) at ZoneTask.push../node_modules/zone.js/dist/zone.js.ZoneTask.invokeTask [as invoke] (zone.js:500) at invokeTask (zone.js:1540)

[leftstick]

can you provide a demo? How you get this error