diff --git a/src/main/java/cn/hezhaohui/rabbitmq/Message.java b/src/main/java/cn/hezhaohui/rabbitmq/Message.java
index 4d942f5..607d4e2 100644
--- a/src/main/java/cn/hezhaohui/rabbitmq/Message.java
+++ b/src/main/java/cn/hezhaohui/rabbitmq/Message.java
@@ -7,5 +7,5 @@ import lombok.Data;
  */
 @Data
 public class Message {
-    private String content;
+    final private String content;
 }
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 63b7a72..e32e10e 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -7,5 +7,5 @@ spring:
     host: localhost
     port: 5672
     username: wonder
-    password: Dn293830
+    password: dn293830
     virtual-host: /template
\ No newline at end of file