diff --git a/broker/src/main/java/com/xiaoleilu/loServer/action/VersionAction.java b/broker/src/main/java/com/xiaoleilu/loServer/action/VersionAction.java
index e9e52d15..a6c24303 100755
--- a/broker/src/main/java/com/xiaoleilu/loServer/action/VersionAction.java
+++ b/broker/src/main/java/com/xiaoleilu/loServer/action/VersionAction.java
@@ -41,7 +41,7 @@ public class VersionAction extends Action {
                 response.setContent(new Gson().toJson(GitRepositoryState.getGitRepositoryState()));
             } catch (IOException e) {
                 e.printStackTrace();
-                response.setContent("No version info!");
+                response.setContent("{\"version\":\"unknown\"}");
             }
         }
     }
diff --git a/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java b/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
index 3bceebb0..3deb0469 100755
--- a/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
+++ b/broker/src/main/java/io/moquette/persistence/MemoryMessagesStore.java
@@ -1481,7 +1481,7 @@ public class MemoryMessagesStore implements IMessagesStore {
         }
 
         if (existRequest != null) {
-            if (System.currentTimeMillis() - existRequest.getUpdateDt() > 7 * 24 * 60 * 60 * 1000) {
+            if (existRequest.getStatus() != ProtoConstants.FriendRequestStatus.RequestStatus_Accepted && System.currentTimeMillis() - existRequest.getUpdateDt() > 7 * 24 * 60 * 60 * 1000) {
                 if (existRequest.getStatus() == ProtoConstants.FriendRequestStatus.RequestStatus_Rejected) {
                     return ErrorCode.ERROR_CODE_FRIEND_REQUEST_BLOCKED;
                 }
@@ -1761,6 +1761,7 @@ public class MemoryMessagesStore implements IMessagesStore {
         userSettingMap.put(userId, settingEntry);
         userGlobalSlientMap.remove(userId);
         userConvSlientMap.remove(userId);
+        userPushHiddenDetail.remove(userId);
         return updateDt;
     }
 
diff --git a/broker/src/main/java/io/moquette/spi/impl/MessagesPublisher.java b/broker/src/main/java/io/moquette/spi/impl/MessagesPublisher.java
index bece73e7..0be55216 100755
--- a/broker/src/main/java/io/moquette/spi/impl/MessagesPublisher.java
+++ b/broker/src/main/java/io/moquette/spi/impl/MessagesPublisher.java
@@ -227,21 +227,25 @@ public class MessagesPublisher {
                     isSlient = true;
                 } else {
                     isSlient = false;
-                    WFCMessage.Conversation conversation;
-                    if (conversationType == ProtoConstants.ConversationType.ConversationType_Private) {
-                        conversation = WFCMessage.Conversation.newBuilder().setType(conversationType).setLine(line).setTarget(sender).build();
-                    } else {
-                        conversation = WFCMessage.Conversation.newBuilder().setType(conversationType).setLine(line).setTarget(target).build();
-                    }
 
-                    if (m_messagesStore.getUserConversationSlient(user, conversation)) {
-                        LOG.info("The conversation {}-{}-{} is slient", conversation.getType(), conversation.getTarget(), conversation.getLine());
-                        isSlient = true;
-                    }
+                    if (!user.equals(sender)) {
+                        WFCMessage.Conversation conversation;
+                        if (conversationType == ProtoConstants.ConversationType.ConversationType_Private) {
+                            conversation = WFCMessage.Conversation.newBuilder().setType(conversationType).setLine(line).setTarget(sender).build();
+                        } else {
+                            conversation = WFCMessage.Conversation.newBuilder().setType(conversationType).setLine(line).setTarget(target).build();
+                        }
 
-                    if (m_messagesStore.getUserGlobalSlient(user)) {
-                        LOG.info("The user {} is global sliented", user);
-                        isSlient = true;
+
+                        if (m_messagesStore.getUserConversationSlient(user, conversation)) {
+                            LOG.info("The conversation {}-{}-{} is slient", conversation.getType(), conversation.getTarget(), conversation.getLine());
+                            isSlient = true;
+                        }
+
+                        if (m_messagesStore.getUserGlobalSlient(user)) {
+                            LOG.info("The user {} is global sliented", user);
+                            isSlient = true;
+                        }
                     }
 
                     if (!StringUtil.isNullOrEmpty(pushContent) || messageContentType == 400 || messageContentType == 402) {