diff --git a/images/filebeat-log-collector.jpg b/images/filebeat-log-collector.jpg
deleted file mode 100644
index 57d53ea8f..000000000
Binary files a/images/filebeat-log-collector.jpg and /dev/null differ
diff --git a/manifests/test/filebeat-test.yaml b/manifests/test/filebeat-test.yaml
index 006e63890..67fb8f4f8 100644
--- a/manifests/test/filebeat-test.yaml
+++ b/manifests/test/filebeat-test.yaml
@@ -59,6 +59,6 @@ data:
         - "/log/usermange/common/*"
     output.elasticsearch:
       hosts: ["172.23.5.255:9200"]
-    username: "elastic"
-    password: "changeme"
-    index: "filebeat-test"
+      username: "elastic"
+      password: "changeme"
+      index: "filebeat-test"
diff --git a/practice/app-log-collection.md b/practice/app-log-collection.md
index 10474b4ce..f5d8ffe4e 100644
--- a/practice/app-log-collection.md
+++ b/practice/app-log-collection.md
@@ -27,9 +27,9 @@ Kubernetes官方提供了EFK的日志收集解决方案，但是这种方案并
 
 该方案在扩展性、个性化、部署和后期维护方面都能做到均衡，因此选择该方案。
 
-![logstash日志收集架构图](../images/filebeat-log-collector.jpg)
+![logstash日志收集架构图](../images/filebeat-log-collector.png)
 
-我们创建了自己的logstash镜像。创建过程和使用方式见https://github.com/rootsongjc/docker-images
+我们创建了自己的filebeat镜像。创建过程和使用方式见https://github.com/rootsongjc/docker-images
 
 镜像地址：`index.tenxcloud.com/jimmy/filebeat:5.4.0`
 
@@ -114,7 +114,7 @@ data:
 
 例如对filebeat的容器进行如下配置：
 
-```
+```yaml
       containers:
       - image: sz-pg-oam-docker-hub-001.tendcloud.com/library/filebeat:5.4.0
         name: filebeat