diff --git a/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CheckUserSubscribeChannelAction.java b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CheckUserSubscribeChannelAction.java
new file mode 100755
index 00000000..77123a02
--- /dev/null
+++ b/broker/src/main/java/com/xiaoleilu/loServer/action/admin/CheckUserSubscribeChannelAction.java
@@ -0,0 +1,52 @@
+/*
+ * 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 com.xiaoleilu.loServer.action.admin;
+
+import cn.wildfirechat.common.APIPath;
+import cn.wildfirechat.common.ErrorCode;
+import cn.wildfirechat.pojos.InputChannelId;
+import cn.wildfirechat.pojos.InputSubscribeChannel;
+import cn.wildfirechat.pojos.OutputBooleanValue;
+import cn.wildfirechat.pojos.OutputGetChannelInfo;
+import cn.wildfirechat.proto.WFCMessage;
+import com.xiaoleilu.loServer.RestResult;
+import com.xiaoleilu.loServer.annotation.HttpMethod;
+import com.xiaoleilu.loServer.annotation.Route;
+import com.xiaoleilu.loServer.handler.Request;
+import com.xiaoleilu.loServer.handler.Response;
+import io.netty.handler.codec.http.FullHttpRequest;
+import io.netty.util.internal.StringUtil;
+
+@Route(APIPath.Check_User_Subscribe_Channel)
+@HttpMethod("POST")
+public class CheckUserSubscribeChannelAction extends AdminAction {
+
+    @Override
+    public boolean isTransactionAction() {
+        return true;
+    }
+
+    @Override
+    public boolean action(Request request, Response response) {
+        if (request.getNettyRequest() instanceof FullHttpRequest) {
+            InputSubscribeChannel inputSubscribeChannel = getRequestBody(request.getNettyRequest(), InputSubscribeChannel.class);
+            if (inputSubscribeChannel != null
+                && !StringUtil.isNullOrEmpty(inputSubscribeChannel.getChannelId())
+                && !StringUtil.isNullOrEmpty(inputSubscribeChannel.getUserId())) {
+                boolean isInChannel = messagesStore.checkUserInChannel(inputSubscribeChannel.getUserId(), inputSubscribeChannel.getChannelId());
+                OutputBooleanValue outputBooleanValue = new OutputBooleanValue();
+                outputBooleanValue.value = isInChannel;
+                setResponseContent(RestResult.ok(outputBooleanValue), response);
+            } else {
+                setResponseContent(RestResult.resultOf(ErrorCode.INVALID_PARAMETER), response);
+            }
+        }
+        return true;
+    }
+}
diff --git a/common/src/main/java/cn/wildfirechat/common/APIPath.java b/common/src/main/java/cn/wildfirechat/common/APIPath.java
index b62015a4..9fddf65e 100644
--- a/common/src/main/java/cn/wildfirechat/common/APIPath.java
+++ b/common/src/main/java/cn/wildfirechat/common/APIPath.java
@@ -81,6 +81,7 @@ public interface APIPath {
     String Destroy_Channel = "/admin/channel/destroy";
     String Get_Channel_Info = "/admin/channel/get";
     String Subscribe_Channel = "/admin/channel/subscribe";
+    String Check_User_Subscribe_Channel = "/admin/channel/is_subscribed";
     String Get_System_Setting = "/admin/system/get_setting";
     String Put_System_Setting = "/admin/system/put_setting";
 
diff --git a/common/src/main/java/cn/wildfirechat/pojos/OutputBooleanValue.java b/common/src/main/java/cn/wildfirechat/pojos/OutputBooleanValue.java
new file mode 100755
index 00000000..4c489be6
--- /dev/null
+++ b/common/src/main/java/cn/wildfirechat/pojos/OutputBooleanValue.java
@@ -0,0 +1,21 @@
+/*
+ * 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 cn.wildfirechat.proto.WFCMessage;
+import io.netty.util.internal.StringUtil;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class OutputBooleanValue {
+    public boolean value;
+}
+
diff --git a/sdk/src/main/java/cn/wildfirechat/sdk/GeneralAdmin.java b/sdk/src/main/java/cn/wildfirechat/sdk/GeneralAdmin.java
index 37f1f89d..6141f6eb 100644
--- a/sdk/src/main/java/cn/wildfirechat/sdk/GeneralAdmin.java
+++ b/sdk/src/main/java/cn/wildfirechat/sdk/GeneralAdmin.java
@@ -45,7 +45,13 @@ public class GeneralAdmin {
         return AdminHttpUtils.httpJsonPost(path, input, Void.class);
     }
 
-    public static IMResult<Void> unsubscribeChannel(String channelId, String userId) throws Exception {
+    public static IMResult<OutputBooleanValue> unsubscribeChannel(String channelId, String userId) throws Exception {
+        String path = APIPath.Check_User_Subscribe_Channel;
+        InputSubscribeChannel input = new InputSubscribeChannel(channelId, userId, 0);
+        return AdminHttpUtils.httpJsonPost(path, input, OutputBooleanValue.class);
+    }
+
+    public static IMResult<Void> isUserSubscribedChannel(String userId, String channelId) throws Exception {
         String path = APIPath.Subscribe_Channel;
         InputSubscribeChannel input = new InputSubscribeChannel(channelId, userId, 0);
         return AdminHttpUtils.httpJsonPost(path, input, Void.class);