错误内容：
Unhandled promise rejection {
type: "string",
description: "Unhandled promise rejection",
value: "Unhandled promise rejection"
}
TypeError: e.getNodeId is not a
function.(In 'e.getNodeId()', 'e.getNodeId'
is undefined) {
type: "object",
description: "TypeError: e.getNodeId is not a function. (In 'e.getNodeId()', 'e.getNodeId' is undefined)",
objectId: "26",
className: "TypeError",
preview: {
type: "object",
description: "TypeError: e.getNodeId is not a function. (In 'e.getNodeId()', 'e.getNodeId' is undefined)",
properties: [],
overflow: true
}
}
请具体描述问题出现的流程，并提供能复现问题的简单代码片段（https://developers.weixin.qq.com/miniprogram/dev/devtools/minicode.html）。