错误信息：（每次都说第一次报错，第二次在执行就好了好神奇）
Error: error:06065064:digital envelope routines:EVP_DecryptFinal_ex:bad decrypt
at Decipheriv.final (internal/crypto/cipher.js:164:28)
at WXBizDataCrypt.decryptData (/Users/zhangye/Desktop/chanjet/darwin-front-server/app/service/darwinApp/WXBizDataCrypt.js:20:25)
at RegisterService.jiemi (/Users/zhangye/Desktop/chanjet/darwin-front-server/app/service/darwinApp/register.js:105:19)
at RegisterController.jiemi (/Users/zhangye/Desktop/chanjet/darwin-front-server/app/controller/darwinApp/register.js:20:53)
at Object.callFn (/Users/zhangye/Desktop/chanjet/darwin-front-server/node_modules/egg-core/lib/utils/index.js:44:21)
at Object.classControllerMiddleware (/Users/zhangye/Desktop/chanjet/darwin-front-server/node_modules/egg-core/lib/loader/mixin/controller.js:87:20)
at Object.callFn (/Users/zhangye/Desktop/chanjet/darwin-front-server/node_modules/@eggjs/router/lib/utils.js:12:21)
at wrappedController (/Users/zhangye/Desktop/chanjet/darwin-front-server/node_modules/@eggjs/router/lib/egg_router.js:322:18)
at dispatch (/Users/zhangye/Desktop/chanjet/darwin-front-server/node_modules/@eggjs/router/node_modules/koa-compose/index.js:44:32)
与恶龙缠斗过久,自身亦成为恶龙；凝视深渊过久,深渊将回以凝视…
