问题描述：

当点击定位图标的时候 并不会跳到所处位置 真机调试也尝试过 一直显示正在定位

相关截图(点击定位后的效果)：

​

相关代码：

index.ts

Page({
data: {
setting: {
skew: 0,
rotate: 0,
showLocation: true,
showScale: true,
subKey: '',
layerStyle: -1,
enableZoom: true,
enableScroll: true,
enableRotate: true,
showCampass: true,
enable3D: false,
enableOverlooking: false,
enableSatelitte: false,
enableTraffic: false,
},
location: {
latitude: 31.254569,
longitude: 121.504774,
},
scale: 10,
markers: [
{
iconPath: "/resources/car.png",
id: 0,
latitude: 31.254187,
longitude: 121.502281,
width: 50,
height: 50
},
]
},
onMyLocationTap () {
    wx.getLocation({
      type: 'gcj02',
      success: res => {
        this.setData({
          location: {
            latitude: res.latitude,
            longitude: res.longitude,
          }
        })
      }
    })
  }
})

index.wxml

<map
  id="map"
  lattitude="{{location.latitude}}"
  longitude="{{location.longitude}}"
  scale="{{scale}}"
  setting="{{setting}}"
  enable-overlooking="{{isOverLooking}}"
  enable-3D="{{is3D}}"
  markers="{{markers}}"
>
<cover-view class="icon-container">
<cover-image src="/resources/account.png"></cover-image>
<cover-image 
    src="/resources/my_location.png"
    bindtap="onMyLocationTap"
    >
</cover-image>
</cover-view>
</map>