diff --git a/common/src/main/java/cn/wildfirechat/pojos/InputConferenceRequest.java b/common/src/main/java/cn/wildfirechat/pojos/InputConferenceRequest.java
new file mode 100644
index 00000000..56ca22f7
--- /dev/null
+++ b/common/src/main/java/cn/wildfirechat/pojos/InputConferenceRequest.java
@@ -0,0 +1,24 @@
+package cn.wildfirechat.pojos;
+
+public class InputConferenceRequest {
+    public String userId;
+    public String clientId;
+    public String request;
+    public long sessionId;
+    public String roomId;
+    public String data;
+    public boolean advance;
+
+    public InputConferenceRequest() {
+    }
+
+    public InputConferenceRequest(String userId, String clientId, String request, long sessionId, String roomId, String data, boolean advance) {
+        this.userId = userId;
+        this.clientId = clientId;
+        this.request = request;
+        this.sessionId = sessionId;
+        this.roomId = roomId;
+        this.data = data;
+        this.advance = advance;
+    }
+}
diff --git a/common/src/main/java/cn/wildfirechat/pojos/OutputReadData.java b/common/src/main/java/cn/wildfirechat/pojos/OutputReadData.java
new file mode 100644
index 00000000..61eab8ca
--- /dev/null
+++ b/common/src/main/java/cn/wildfirechat/pojos/OutputReadData.java
@@ -0,0 +1,7 @@
+package cn.wildfirechat.pojos;
+
+public class OutputReadData {
+    public String user;
+    public Conversation conversation;
+    public long readTime;
+}