diff --git a/common/src/main/java/cn/wildfirechat/pojos/InputClearUserMessages.java b/common/src/main/java/cn/wildfirechat/pojos/InputClearUserMessages.java
new file mode 100644
index 00000000..b5b4333a
--- /dev/null
+++ b/common/src/main/java/cn/wildfirechat/pojos/InputClearUserMessages.java
@@ -0,0 +1,26 @@
+/*
+ * This file is part of the Wildfire Chat package.
+ * (c) Heavyrain2012 <heavyrain.lee@gmail.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+package cn.wildfirechat.pojos;
+
+public class InputClearUserMessages {
+    public InputClearUserMessages() {
+    }
+
+    public InputClearUserMessages(String userId, Conversation conversation, long startTime, long endTime) {
+        this.userId = userId;
+        this.conversation = conversation;
+        this.startTime = startTime;
+        this.endTime = endTime;
+    }
+
+    public String userId;
+    public Conversation conversation;
+    public long startTime;
+    public long endTime;
+}