diff --git a/src/main/java/com/ahbonus/demo4bonus/GreetingController.java b/src/main/java/com/ahbonus/demo4bonus/GreetingController.java
index 4e8716a..d86351a 100644
--- a/src/main/java/com/ahbonus/demo4bonus/GreetingController.java
+++ b/src/main/java/com/ahbonus/demo4bonus/GreetingController.java
@@ -17,4 +17,10 @@ public class GreetingController {
 
     }
 
+    @GetMapping("/health")
+    public String healthcheck() {
+        return "OKOKOK";
+
+    }
+
 }
diff --git a/src/main/resources/application.properties b/src/main/resources/application.properties
deleted file mode 100644
index 200e831..0000000
--- a/src/main/resources/application.properties
+++ /dev/null
@@ -1 +0,0 @@
-server.port=7008
\ No newline at end of file
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
new file mode 100644
index 0000000..b578007
--- /dev/null
+++ b/src/main/resources/application.yml
@@ -0,0 +1,15 @@
+server:
+    port: 7008
+    tomcat:
+        accesslog:
+            enabled: true
+            pattern: '%{yyyy-MM-dd HH:mm:ss}t %a %A %m %s %D %b %I %U%q %{User-Agent}i'
+#            directory: /Users/chenyuzhen/tomcatlog/demo4bonus/
+            directory: /opt/webapps/logs/demo4bonus/
+            prefix: accesslog
+            suffix: .log
+            fileDateFormat: _yyyyMMdd
+            rotate: true
+            renameOnRotate: false
+            buffered: true
+            requestAttributesEnabled: true