jagerzhang opened a new issue #6169:
URL: https://github.com/apache/apisix/issues/6169
### Issue description
当路由采用和service组合方式来配置时，路由属性里面的自定义标签会丢失，日志插件无法记录到自定义的标签。
### Environment
- apisix version (cmd: `apisix version`): 2.11.0
- OS (cmd: `uname -a`): docker-centos
### Steps to reproduce
1.新增upstream如下:
```
PUT /apisix/admin/upstreams/demo
{
"nodes": [
{
"host": "127.0.0.1",
"port": 9090
}
],
"scheme": "http",
"name": "demo"
}
```
2.新增service如下:
```
PUT /apisix/admin/services/demo
{
"name": "demo",
"upstream_id": "demo"
}
```
3.新增route如下:
```
PUT /apisix/admin/route/demo
{
"uris": [
"/demo"
],
"name": "demo",
"methods": [
"GET",
"POST",
"HEAD"
],
"service_id": "demo",
"labels": {
"app_name": "app_demo",
"system_name": "system_demo"
},
"status": 1
}
```
4.在requests-id插件里面新增日志阶段函数，内容如下:
```
function _M.log(conf, ctx)
core.log.warn("ctx.matched_route.value: ",
core.json.delay_encode(ctx.matched_route.value))
end
```
5.重载APISIX，请求该路由，查看日志，会发现`ctx.matched_route.value`打印的内容里面没有label相关内容.
6. 如果是使用 route直接关联 upstream的方式来添加路由，`ctx.matched_route.value`
里面会有label内容，应该是 route 和 service 的 配置 merge 的时候漏了.
### Actual result
null
### Error log
null
### Expected result
_No response_
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