真机调试报这个错误，提示max size，我上传的图片很小的。Android手机没问题，现在发现iPhone6有问题。 APPID:wxa0c17091265340da Error: errCode: -1  | errMsg: cloud.callFunction:fail Error: data exceed max size (callId: 1586489164793-0.5581622445325081) (trace: 11:26:4 start->11:26:11 system error (Error: data exceed max size), retry->11:26:17 system error (Error: data exceed max size), retry->11:26:21 system error (Error: data exceed max size), abort); at cloud.callFunction api;      at new u (eval at n.call.document (runtime.js?devtools_ignore=true:1), :2:233907)     at d (eval at n.call.document (runtime.js?devtools_ignore=true:1), :2:234414)     at f (eval at n.call.document (runtime.js?devtools_ignore=true:1), :2:234509)     at eval (eval at n.call.document (runtime.js?devtools_ignore=true:1), :2:399226)     at t (eval at n.call.document (runtime.js?devtools_ignore=true:1), :2:65617)     at eval (eval at n.call.document (runtime.js?devtools_ignore=true:1), :2:65739)     at e (eval at n.call.document (runtime.js?devtools_ignore=true:1), :2:68192)     at e.exports (eval at n.call.document (runtime.js?devtools_ignore=true:1), :2:27005)     at y. (eval at n.call.document (runtime.js?devtools_ignore=true:1), :2:32408)     at Number.r (eval at n.call.document (runtime.js?devtools_ignore=true:1), :2:32107) [图片] 刚才有开始报404012错误了 [图片] [图片] 云函数的写法，请求的写法 const cloud = require('wx-server-sdk') cloud.init() // 云函数入口函数 exports.main = async(event, context) => {   const {     value   } = event;   try {     const res = await cloud.openapi.security.imgSecCheck({       media: {         header: {           'Content-Type': 'application/octet-stream'         },         contentType: 'image/png',         value: Buffer.from(value)       }     })     return res;   } catch (err) {     return err;   } } 请求 //检查图片   imgcheck: function () {     var that = this;     wx.compressImage({       src: this.data.imgbg, // 图片路径       quality: 10, // 压缩质量       success(res) {         console.log('图片' + res.tempFilePath)         wx.getFileInfo({           filePath: res.tempFilePath,           success(resinfo) {             console.log('图片压缩后的尺寸' + resinfo.size)             if (resinfo.size < 600 * 1024) {               wx.getFileSystemManager().readFile({                 filePath: res.tempFilePath,                 success: buffer => {                   console.log('getImageInfo' + JSON.stringify(buffer))                   console.log('getImageInfo' + buffer)                   console.log('getImageInfo' + buffer.data)                   wx.cloud.callFunction({                     name: 'imgcheck',                     data: {                       value: buffer.data                     },                     success: res => {                       console.log('图片检测成功')                       console.log(JSON.stringify(res))                       console.log(res.result.errCode)                       if (res.result.errCode == '87014') {                         wx.hideLoading()                         wx.showModal({                           title: '提醒',                           content: '此图片暂不可用',                           showCancel: false                         })                       }                       else {                         that.updateimg();                         console.log('图片正常')                       }                     },                     fail: err => {                       console.log(err)                     },                     complete: () => {                     }                   })                 },                 fail: err => {                   console.log(err)                 }               })             } else {               wx.hideLoading()               wx.showModal({                 content: '图片过大，请选小点的(๑❛ᴗ❛๑)',                 showCancel: false               })             }           }         })       },     })   },