增加获取附近相机接口字段可能为空判断

‘liusuyi’

2023-06-21 0d41af875165ed3d4bc0560b7053fdf43df51608

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var crypto = require('crypto')
 
exports.createSign = crypto.createSign
exports.Sign = crypto.Sign
 
exports.createVerify = crypto.createVerify
exports.Verify = crypto.Verify