diff --git a/Canal-prometheus.md b/Canal-prometheus.md
index be1a720..2af93ca 100644
--- a/Canal-prometheus.md
+++ b/Canal-prometheus.md
@@ -128,7 +128,7 @@ rate(canal_instance_row_events{destination="example"}[2m])
 canal_instance_client_packets{destination="example"}
 ```
 **Netty server处理的client requests，以packetType为label分类统计。**
-
+***
 
 ##### Empty packets
 ![Image text](https://github.com/lcybo/canal/blob/master/images/empty.PNG?raw=true)
@@ -140,6 +140,7 @@ rate(canal_instance_client_empty_batches{destination="example"}[2m])
 rate(canal_instance_client_packets{destination="example", packetType="GET"}[2m])
 ```
 **作为empty rate的参照。**
+***
 
 ##### Client latency
 ![Image text](https://github.com/lcybo/canal/blob/master/images/latency.PNG?raw=true)
@@ -147,7 +148,7 @@ rate(canal_instance_client_packets{destination="example", packetType="GET"}[2m])
 canal_instance_client_request_latency_bucket{destination="example"}
 ```
 **Histogram, client请求响应情况统计。关于[histogram](https://prometheus.io/docs/concepts/metric_types/#histogram).**
-
+***
 
 ##### Event store占用
 ![Image text](https://github.com/lcybo/canal/blob/master/images/remain_events.PNG?raw=true)
@@ -155,7 +156,7 @@ canal_instance_client_request_latency_bucket{destination="example"}
 canal_instance_store_produce_seq{destination="example"} - canal_instance_store_consume_seq{destination="example"}
 ```
 **Event store内未ack的events数量，实时性受scrape_interval影响。**
-
+***
 
 ##### Event store memory占用(KB, 仅memory mode)
 ![Image text](https://github.com/lcybo/canal/blob/master/images/remain_mem.PNG?raw=true)
@@ -163,9 +164,10 @@ canal_instance_store_produce_seq{destination="example"} - canal_instance_store_c
 (canal_instance_store_produce_mem{destination="example"} - canal_instance_store_consume_mem{destination="example"}) / 1024
 ```
 **Event store内未ack的events所占用内存大小，实时性受scrape_interval影响。**
-
+***
 
 ##### 状态信息
+![Image text](https://github.com/lcybo/canal/blob/master/images/instance.PNG?raw=true)
 ```
 canal_instance{destination="example"}
 canal_instance_parser_mode{destination="example"}