[ WXML 文件编译错误] ./pages/demo03/demo03.wxml
unexpected character ` `
84 | <view
85 | wx:for="{{person}}"
> 86 | wx：for-item="value"
| ^
87 | wx:for-index="key"
88 | wx:key="age"
89 | >
at files://pages/demo03/demo03.wxml#8

怎样改