txlcn-tracing/src/main/java/com/codingapi/txlcn/tracing/TracingContext.java
public void addApp(String serviceId, String address) {
        if (hasGroup()) {
            JSONObject map = JSON.parseObject(this.fields.get(TracingConstants.APP_MAP));
            if (map.containsKey(serviceId)) {
                return;
            }
            map.put(serviceId, address);
            this.fields.put(TracingConstants.APP_MAP, JSON.toJSONString(map));
            return;
        }
        raiseNonGroupException();
    }
public void addApp(String serviceId, String address) {
        if (hasGroup()) {
            JSONObject map = JSON.parseObject(this.fields.get(TracingConstants.APP_MAP));
            if (map.containsKey(serviceId)) {
                return;
            }
            map.put(serviceId, address);
            this.fields.put(TracingConstants.APP_MAP, JSON.toJSONString(map));
            return;
        }
        raiseNonGroupException();
    }
添加App

@param serviceId serviceId
@param address   address