diff --git a/common/src/main/java/cn/wildfirechat/common/APIPath.java b/common/src/main/java/cn/wildfirechat/common/APIPath.java
index ed95c013..cd64000e 100644
--- a/common/src/main/java/cn/wildfirechat/common/APIPath.java
+++ b/common/src/main/java/cn/wildfirechat/common/APIPath.java
@@ -57,6 +57,8 @@ public interface APIPath {
     String Msg_Multicast = "/admin/message/multicast";
     String Msg_RecallBroadCast = "/admin/message/recall_broadcast";
     String Msg_RecallMultiCast = "/admin/message/recall_multicast";
+    String Msg_ConvRead = "/admin/message/conv_read";
+    String Msg_Delivery = "/admin/message/delivery";
 
     String Create_Group = "/admin/group/create";
     String Group_Dismiss = "/admin/group/del";
diff --git a/common/src/main/java/cn/wildfirechat/pojos/Conversation.java b/common/src/main/java/cn/wildfirechat/pojos/Conversation.java
index 573a888e..5601d43b 100644
--- a/common/src/main/java/cn/wildfirechat/pojos/Conversation.java
+++ b/common/src/main/java/cn/wildfirechat/pojos/Conversation.java
@@ -13,6 +13,15 @@ public class Conversation {
     private String target;
     private int line;
 
+    public Conversation() {
+    }
+
+    public Conversation(int type, String target, int line) {
+        this.type = type;
+        this.target = target;
+        this.line = line;
+    }
+
     public int getType() {
         return type;
     }
diff --git a/common/src/main/java/cn.wildfirechat.pojos/InputDestroyUser.java b/common/src/main/java/cn/wildfirechat/pojos/InputDestroyUser.java
similarity index 100%
rename from common/src/main/java/cn.wildfirechat.pojos/InputDestroyUser.java
rename to common/src/main/java/cn/wildfirechat/pojos/InputDestroyUser.java
diff --git a/common/src/main/java/cn/wildfirechat/pojos/InputGetConvReadTime.java b/common/src/main/java/cn/wildfirechat/pojos/InputGetConvReadTime.java
new file mode 100755
index 00000000..356cdb12
--- /dev/null
+++ b/common/src/main/java/cn/wildfirechat/pojos/InputGetConvReadTime.java
@@ -0,0 +1,58 @@
+/*
+ * 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 InputGetConvReadTime {
+    private String userId;
+    private int conversationType;
+    private String target;
+    private int line;
+
+    public InputGetConvReadTime() {
+    }
+
+    public InputGetConvReadTime(String userId, int conversationType, String target, int line) {
+        this.userId = userId;
+        this.conversationType = conversationType;
+        this.target = target;
+        this.line = line;
+    }
+
+    public String getUserId() {
+        return userId;
+    }
+
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+
+    public int getConversationType() {
+        return conversationType;
+    }
+
+    public void setConversationType(int conversationType) {
+        this.conversationType = conversationType;
+    }
+
+    public String getTarget() {
+        return target;
+    }
+
+    public void setTarget(String target) {
+        this.target = target;
+    }
+
+    public int getLine() {
+        return line;
+    }
+
+    public void setLine(int line) {
+        this.line = line;
+    }
+}
diff --git a/common/src/main/java/cn/wildfirechat/pojos/InputUserId.java b/common/src/main/java/cn/wildfirechat/pojos/InputUserId.java
index 313ee80d..d361cb55 100755
--- a/common/src/main/java/cn/wildfirechat/pojos/InputUserId.java
+++ b/common/src/main/java/cn/wildfirechat/pojos/InputUserId.java
@@ -11,6 +11,13 @@ package cn.wildfirechat.pojos;
 public class InputUserId {
     private String userId;
 
+    public InputUserId() {
+    }
+
+    public InputUserId(String userId) {
+        this.userId = userId;
+    }
+
     public String getUserId() {
         return userId;
     }
diff --git a/common/src/main/java/cn/wildfirechat/pojos/OutputTimestamp.java b/common/src/main/java/cn/wildfirechat/pojos/OutputTimestamp.java
new file mode 100755
index 00000000..c65101da
--- /dev/null
+++ b/common/src/main/java/cn/wildfirechat/pojos/OutputTimestamp.java
@@ -0,0 +1,28 @@
+/*
+ * 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 OutputTimestamp {
+    private long timestamp;
+
+    public OutputTimestamp() {
+    }
+
+    public OutputTimestamp(long timestamp) {
+        this.timestamp = timestamp;
+    }
+
+    public long getTimestamp() {
+        return timestamp;
+    }
+
+    public void setTimestamp(long timestamp) {
+        this.timestamp = timestamp;
+    }
+}
diff --git a/sdk/src/main/java/cn/wildfirechat/sdk/Main.java b/sdk/src/main/java/cn/wildfirechat/sdk/Main.java
index 14c2edc8..1ea6dad8 100644
--- a/sdk/src/main/java/cn/wildfirechat/sdk/Main.java
+++ b/sdk/src/main/java/cn/wildfirechat/sdk/Main.java
@@ -750,6 +750,20 @@ public class Main {
             } else {
                 System.out.println("failure");
             }
+
+            IMResult<OutputTimestamp> timestampResult = MessageAdmin.getConversationReadTimestamp("57gqmws2k", new Conversation(0, "admin", 0));
+            if(timestampResult != null && timestampResult.getErrorCode() == ErrorCode.ERROR_CODE_SUCCESS) {
+                System.out.println("Get conversation read time success");
+            } else {
+                System.out.println("Get conversation read time failure");
+            }
+
+            timestampResult = MessageAdmin.getMessageDelivery("57gqmws2k");
+            if(timestampResult != null && timestampResult.getErrorCode() == ErrorCode.ERROR_CODE_SUCCESS) {
+                System.out.println("Get message delivery success");
+            } else {
+                System.out.println("Get message delivery failure");
+            }
         }
 
         List<String> multicastReceivers = Arrays.asList("user2", "user3", "user4");
diff --git a/sdk/src/main/java/cn/wildfirechat/sdk/MessageAdmin.java b/sdk/src/main/java/cn/wildfirechat/sdk/MessageAdmin.java
index 6b27d9ef..d189cc0c 100644
--- a/sdk/src/main/java/cn/wildfirechat/sdk/MessageAdmin.java
+++ b/sdk/src/main/java/cn/wildfirechat/sdk/MessageAdmin.java
@@ -103,4 +103,16 @@ public class MessageAdmin {
         messageData.setPayload(payload);
         return AdminHttpUtils.httpJsonPost(path, messageData, MultiMessageResult.class);
     }
+
+    public static IMResult<OutputTimestamp> getConversationReadTimestamp(String userId, Conversation conversation) throws Exception {
+        String path = APIPath.Msg_ConvRead;
+        InputGetConvReadTime input = new InputGetConvReadTime(userId, conversation.getType(), conversation.getTarget(), conversation.getLine());
+        return AdminHttpUtils.httpJsonPost(path, input, OutputTimestamp.class);
+    }
+
+    public static IMResult<OutputTimestamp> getMessageDelivery(String userId) throws Exception {
+        String path = APIPath.Msg_Delivery;
+        InputUserId input = new InputUserId(userId);
+        return AdminHttpUtils.httpJsonPost(path, input, OutputTimestamp.class);
+    }
 }