配置文件修改:
1.soc-gateway-dev.yml
 routes 节点下增加:
    # 北向服务
    - id: soc-mediator
      uri: lb://soc-mediator
      predicates:
        - Path=/mediator/**
      filters:
        - StripPrefix=1
    # IOT 服务
    - id: soc-iot
      uri: lb://soc-iot
      predicates:
        - Path=/iot/**
      filters:
        - StripPrefix=1

   ignore.whites: 节点下增加
    - /mediator/**