微信小程序官方nodejs_demo_login_error
照着官方nodejs demo弄到本地试了一下登陆一直报错，朋友用的和我一样步骤就没有问题。
希望能帮忙看一下问题在哪儿 谢谢。
Requst：
https://eoscr1un.qcloud.la/weapp/login
LoginError {type: “ERR_LOGIN_MISSING_SESSION”, message: “{“code”:-1,“error”:“ERR_REQUEST_PARAM”}”}message: "{“code”:-1,“error”:“ERR_REQUEST_PARAM”}"type: “ERR_LOGIN_MISSING_SESSION”__proto__: Error
at http://127.0.0.1:9973/appservice/vendor/wafer2-client-sdk/lib/login.js:18:28
at http://127.0.0.1:9973/appservice/vendor/wafer2-client-sdk/lib/login.js:22:2
at require (http://127.0.0.1:9973/appservice/\_\_dev\_\_/WAService.js:15:18238)
at http://127.0.0.1:9973/appservice/\_\_dev\_\_/WAService.js:15:17987
at http://127.0.0.1:9973/appservice/vendor/wafer2-client-sdk/index.js:4:13
at require (http://127.0.0.1:9973/appservice/\_\_dev\_\_/WAService.js:15:18238)
at http://127.0.0.1:9973/appservice/\_\_dev\_\_/WAService.js:15:17987
at http://127.0.0.1:9973/appservice/app.js:4:14
at require (http://127.0.0.1:9973/appservice/\_\_dev\_\_/WAService.js:15:18238)
