diff --git a/common/src/main/java/cn/wildfirechat/common/APIPath.java b/common/src/main/java/cn/wildfirechat/common/APIPath.java
index 795db5fc..0a9ac1e1 100644
--- a/common/src/main/java/cn/wildfirechat/common/APIPath.java
+++ b/common/src/main/java/cn/wildfirechat/common/APIPath.java
@@ -128,6 +128,8 @@ public interface APIPath {
     String Channel_Update_Profile = "/channel/update_profile";
     String Channel_Get_Profile = "/channel/get_profile";
     String Channel_Message_Send = "/channel/message/send";
+    String Channel_Msg_Recall = "/channel/message/recall";
+    String Channel_Msg_Republish = "/channel/message/republish";
     String Channel_Subscribe = "/channel/subscribe";
     String Channel_Subscriber_List = "/channel/subscriber_list";
     String Channel_Is_Subscriber = "/channel/is_subscriber";
diff --git a/common/src/main/java/cn/wildfirechat/pojos/RepublishChannelMessageData.java b/common/src/main/java/cn/wildfirechat/pojos/RepublishChannelMessageData.java
new file mode 100644
index 00000000..53e39bdb
--- /dev/null
+++ b/common/src/main/java/cn/wildfirechat/pojos/RepublishChannelMessageData.java
@@ -0,0 +1,32 @@
+/*
+ * 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;
+
+import java.util.List;
+
+public class RepublishChannelMessageData {
+    private List<String> targets;
+    private long messageId;
+
+    public List<String> getTargets() {
+        return targets;
+    }
+
+    public void setTargets(List<String> targets) {
+        this.targets = targets;
+    }
+
+    public long getMessageId() {
+        return messageId;
+    }
+
+    public void setMessageId(long messageId) {
+        this.messageId = messageId;
+    }
+}
diff --git a/common/src/main/java/cn/wildfirechat/pojos/SendMessageData.java b/common/src/main/java/cn/wildfirechat/pojos/SendMessageData.java
index de5ee254..67fb9f5b 100644
--- a/common/src/main/java/cn/wildfirechat/pojos/SendMessageData.java
+++ b/common/src/main/java/cn/wildfirechat/pojos/SendMessageData.java
@@ -20,6 +20,7 @@ public class SendMessageData {
     private MessagePayload payload;
     private List<String> toUsers;
     private boolean isMeshMessage;
+    private boolean isUserMessage;
 
     public String getSender() {
         return sender;
@@ -61,6 +62,14 @@ public class SendMessageData {
         isMeshMessage = meshMessage;
     }
 
+    public boolean isUserMessage() {
+        return isUserMessage;
+    }
+
+    public void setUserMessage(boolean userMessage) {
+        isUserMessage = userMessage;
+    }
+
     public static boolean isValide(SendMessageData sendMessageData) {
         if(sendMessageData == null ||
             sendMessageData.getConv() == null ||
diff --git a/sdk/src/main/java/cn/wildfirechat/sdk/ChannelServiceApi.java b/sdk/src/main/java/cn/wildfirechat/sdk/ChannelServiceApi.java
index 60c55ba1..16e141b0 100644
--- a/sdk/src/main/java/cn/wildfirechat/sdk/ChannelServiceApi.java
+++ b/sdk/src/main/java/cn/wildfirechat/sdk/ChannelServiceApi.java
@@ -4,6 +4,7 @@ import cn.wildfirechat.common.APIPath;
 import cn.wildfirechat.pojos.*;
 import cn.wildfirechat.proto.ProtoConstants;
 import cn.wildfirechat.sdk.model.IMResult;
+import cn.wildfirechat.sdk.utilities.AdminHttpUtils;
 import cn.wildfirechat.sdk.utilities.ChannelHttpUtils;
 import com.google.gson.Gson;
 import org.apache.commons.codec.digest.DigestUtils;
@@ -65,6 +66,23 @@ public class ChannelServiceApi {
         return channelHttpUtils.httpJsonPost(path, messageData, SendMessageResult.class);
     }
 
+    //仅专业版支持
+    public IMResult<String> recallMessage(long messageUid) throws Exception {
+        String path = APIPath.Channel_Msg_Recall;
+        RecallMessageData messageData = new RecallMessageData();
+        messageData.setMessageUid(messageUid);
+        return channelHttpUtils.httpJsonPost(path, messageData, String.class);
+    }
+
+    //仅专业版支持
+    public IMResult<Void> republishMessage(long messageUid, List<String> targets) throws Exception {
+        String path = APIPath.Channel_Msg_Republish;
+        RepublishChannelMessageData messageData = new RepublishChannelMessageData();
+        messageData.setMessageId(messageUid);
+        messageData.setTargets(targets);
+        return channelHttpUtils.httpJsonPost(path, messageData, Void.class);
+    }
+
     public IMResult<Void> subscribe(String userId) throws Exception {
         String path = APIPath.Channel_Subscribe;
         InputChannelSubscribe input = new InputChannelSubscribe();
diff --git a/sdk/src/main/java/cn/wildfirechat/sdk/utilities/AdminHttpUtils.java b/sdk/src/main/java/cn/wildfirechat/sdk/utilities/AdminHttpUtils.java
index 3e73829e..ce194bd6 100644
--- a/sdk/src/main/java/cn/wildfirechat/sdk/utilities/AdminHttpUtils.java
+++ b/sdk/src/main/java/cn/wildfirechat/sdk/utilities/AdminHttpUtils.java
@@ -114,8 +114,8 @@ public class AdminHttpUtils extends JsonUtils {
 
     public static <T> IMResult<T> httpJsonPost(String path, Object object, Class<T> clazz) throws Exception {
         if (isNullOrEmpty(adminUrl) || isNullOrEmpty(adminSecret)) {
-            LOG.error("野火IM Server SDK必须先初始化才能使用，是不是忘记初始化了！！！！");
-            throw new Exception("SDK没有初始化");
+            LOG.error("野火IM Server SDK必须先初始化才能使用，是不是忘记初始化了！请调用AdminConfig.initAdmin(AdminUrl, AdminSecret);进行初始化");
+            throw new Exception("SDK没有初始化，请调用AdminConfig.initAdmin(AdminUrl, AdminSecret);进行初始化");
         }
 
         if (isNullOrEmpty(path)) {