diff --git a/im-das-api/im-das-user-api/src/main/java/net/sopod/soim/das/user/api/config/package-info.java b/im-das-api/im-das-user-api/src/main/java/net/sopod/soim/das/user/api/config/package-info.java
new file mode 100644
index 0000000..bcced1f
--- /dev/null
+++ b/im-das-api/im-das-user-api/src/main/java/net/sopod/soim/das/user/api/config/package-info.java
@@ -0,0 +1,3 @@
+
+@org.springframework.lang.NonNullApi
+package net.sopod.soim.das.user.api.config;
diff --git a/im-das-api/im-das-user-api/src/main/java/net/sopod/soim/das/user/api/mq/ChatQueue.java b/im-das-api/im-das-user-api/src/main/java/net/sopod/soim/das/user/api/mq/ChatQueue.java
index d74a2d9..d54c9a8 100644
--- a/im-das-api/im-das-user-api/src/main/java/net/sopod/soim/das/user/api/mq/ChatQueue.java
+++ b/im-das-api/im-das-user-api/src/main/java/net/sopod/soim/das/user/api/mq/ChatQueue.java
@@ -6,9 +6,10 @@ package net.sopod.soim.das.user.api.mq;
  * @author tmy
  * @date 2022-05-31 00:05
  */
-public class ChatQueue {
+public interface ChatQueue {
 
-    public static final String IM_MESSAGE_PERSISTENT = "IM_MESSAGE_PERSISTENT";
+    String IM_MESSAGE_PERSISTENT = "IM_MESSAGE_PERSISTENT";
+
+    String IM_GROUP_MESSAGE_PERSISTENT = "IM_GROUP_MESSAGE_PERSISTENT";
 
-    public static final String IM_GROUP_MESSAGE_PERSISTENT = "IM_GROUP_MESSAGE_PERSISTENT";
 }