wx.createSelectorQuery().in(this).select(`#customMap`).fields({       node: true,       rect: true     }, res => {       console.log(res.node)     }).exec() 这个api在在开发者工具上 还有手机预览模式有回调 正常调用 然而在真机调试却报一个错 如果这个api是直接在页面使用 就没报错 真机也可以拿到回调 但是在组件内部使用就报错 canvas不加type=2d就没问题 可以获取到一部分数据 但是加了就报错 [图片] [图片] [图片]

VM21:2 (in promise) MiniProgramError Cannot read property 'createView' of undefined TypeError: Cannot read property 'createView' of undefined     at n.value (eval at n.call.document (http://127.0.0.1:51844/remote-debug/runtime.js?devtools_ignore=true:1:11339), <anonymous>:2:1064980)     at n.value (eval at n.call.document (http://127.0.0.1:51844/remote-debug/runtime.js?devtools_ignore=true:1:11339), <anonymous>:2:757375)     at t (eval at n.call.document (http://127.0.0.1:51844/remote-debug/runtime.js?devtools_ignore=true:1:11339), <anonymous>:2:757542)     at n.value (eval at n.call.document (http://127.0.0.1:51844/remote-debug/runtime.js?devtools_ignore=true:1:11339), <anonymous>:2:757631)     at eval (eval at n.call.document (http://127.0.0.1:51844/remote-debug/runtime.js?devtools_ignore=true:1:11339), <anonymous>:2:1300784)     at new Promise (<anonymous>)     at pu (eval at n.call.document (http://127.0.0.1:51844/remote-debug/runtime.js?devtools_ignore=true:1:11339), <anonymous>:2:1300746)     at eval (eval at n.call.document (http://127.0.0.1:51844/remote-debug/runtime.js?devtools_ignore=true:1:11339), <anonymous>:2:1302216)     at Array.forEach (<anonymous>)     at r (eval at n.call.document (http://127.0.0.1:51844/remote-debug/runtime.js?devtools_ignore=true:1:11339), <anonymous>:2:1302194)