fix

prometheus/prometheus/alert.rules

@@ -69,3 +69,10 @@ groups:
     annotations:
       summary: '业务报警: 健康检查异常'
       description: '{{$labels.instance}} 不可访问,请及时查看,当前状态码为{{$value}}'
+
+  - alert: Nacos服务
+    expr:  probe_http_status_code{job="nacos"}>=400 and probe_success{job="nacos"}==0
+    for: 2m
+    annotations:
+      summary: '业务报警: 健康检查异常'
+      description: '{{$labels.instance}} 不可访问,请及时查看,当前状态码为{{$value}}'