I/O error on POST request for "http://192.168.x.x:8080/iot/sys/getToken": Connection timed out (Connection timed out); nested exception is java.net.ConnectException: Connection timed out (Connection timed out)
求这个问题的解决方法啊,前端可以ping通ip,postman也没有请求接口,为什么用代码请求接口就会报错啊