diff --git a/WuKongIMSDK/Classes/WKOptions.h b/WuKongIMSDK/Classes/WKOptions.h
index e72e32a..ab04a6f 100644
--- a/WuKongIMSDK/Classes/WKOptions.h
+++ b/WuKongIMSDK/Classes/WKOptions.h
@@ -138,6 +138,9 @@ typedef WKConnectInfo*_Nonnull(^WKConnectInfoCallback)(void);
 @property(nonatomic,assign) NSInteger expireMsgCheckInterval; // 过期消息检查间隔 单位秒
 @property(nonatomic,assign) NSInteger expireMsgLimit; // 过期消息每次查询数量
 
+@property(nonatomic,assign) NSInteger sendFrequency; // 消息发送延迟时间 单位毫秒
+@property(nonatomic,assign) NSInteger sendMaxCountOfEach; // 消息每次发送最大数量
+
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/WuKongIMSDK/Classes/WKOptions.m b/WuKongIMSDK/Classes/WKOptions.m
index 1b2e7d8..78ea778 100644
--- a/WuKongIMSDK/Classes/WKOptions.m
+++ b/WuKongIMSDK/Classes/WKOptions.m
@@ -44,6 +44,9 @@ -(id) init {
        self.receiptFlushInterval = 2;
        
        self.channelRequestMaxLimit = 10;
+       
+       self.sendFrequency = 100;
+       self.sendMaxCountOfEach = 5;
    }
    return self;
 }
diff --git a/WuKongIMSDK/Classes/db/WKMessageDB.h b/WuKongIMSDK/Classes/db/WKMessageDB.h
index f313616..0a58aa9 100644
--- a/WuKongIMSDK/Classes/db/WKMessageDB.h
+++ b/WuKongIMSDK/Classes/db/WKMessageDB.h
@@ -220,6 +220,9 @@ NS_ASSUME_NONNULL_BEGIN
 
 -(void) deleteMessagesWithClientSeqs:(NSArray<NSNumber*>*)ids;
 
+-(void) deleteMessagesWithMessageIDs:(NSArray<NSNumber*>*)messageIDs;
+
+-(void) deleteMessagesWithMessageIDs:(NSArray<NSNumber*>*)messageIDs db:(FMDatabase*)db;
 
 /**
   彻底将消息从数据库删除 （deleteMessage只是标记为删除）
diff --git a/WuKongIMSDK/Classes/db/WKMessageDB.m b/WuKongIMSDK/Classes/db/WKMessageDB.m
index 5b5aae6..7d264d6 100644
--- a/WuKongIMSDK/Classes/db/WKMessageDB.m
+++ b/WuKongIMSDK/Classes/db/WKMessageDB.m
@@ -81,6 +81,9 @@
 #define SQL_MESSAGE_UPDATE_EXTRA  [NSString stringWithFormat:@"update %@ set extra=? where id=?",TB_MESSAGE]
 // 删除指定id的消息
 #define SQL_MESSAGE_DELETE_MESSAGE_ID [NSString stringWithFormat:@"update %@ set is_deleted=1 where message_id=?",TB_MESSAGE]
+
+#define SQL_MESSAGE_DELETE_MESSAGE_IDS [NSString stringWithFormat:@"update %@ set is_deleted=1 where message_id in ",TB_MESSAGE]
+
 // 删除指定id的消息
 #define SQL_MESSAGE_DELETE_CLIENT_SEQ [NSString stringWithFormat:@"update %@ set is_deleted=1 where id=?",TB_MESSAGE]
 
@@ -770,6 +773,27 @@ -(void) deleteMessagesWithClientSeqs:(NSArray<NSNumber*>*)ids {
     }];
 }
 
+-(void) deleteMessagesWithMessageIDs:(NSArray<NSNumber*>*)messageIDs {
+    __weak typeof(self) weakSelf = self;
+    [WKDB.sharedDB.dbQueue inDatabase:^(FMDatabase * _Nonnull db) {
+        [weakSelf deleteMessagesWithMessageIDs:messageIDs db:db];
+    }];
+}
+
+-(void) deleteMessagesWithMessageIDs:(NSArray<NSNumber*>*)messageIDs db:(FMDatabase*)db {
+    if(messageIDs && messageIDs.count==0) {
+        return;
+    }
+    if(messageIDs.count == 1) {
+        NSNumber *messageID = messageIDs[0];
+        [db executeUpdate:SQL_MESSAGE_DELETE_MESSAGE_ID,messageID];
+    }else {
+        NSString *idStrs = [messageIDs componentsJoinedByString:@","];
+        [db executeUpdate:[NSString stringWithFormat:@"%@ (%@)",SQL_MESSAGE_DELETE_MESSAGE_IDS,idStrs]];
+    }
+    
+}
+
 - (void)destoryMessage:(WKMessage *)message {
     
     [[WKDB sharedDB].dbQueue inDatabase:^(FMDatabase * _Nonnull db) {
diff --git a/WuKongIMSDK/Classes/db/WKMessageExtraDB.m b/WuKongIMSDK/Classes/db/WKMessageExtraDB.m
index 6207379..d785e5f 100644
--- a/WuKongIMSDK/Classes/db/WKMessageExtraDB.m
+++ b/WuKongIMSDK/Classes/db/WKMessageExtraDB.m
@@ -55,6 +55,7 @@ -(void) addOrUpdateMessageExtras:(NSArray<WKMessageExtra*>*)messageExtras {
         return;
     }
     [[WKDB sharedDB].dbQueue inTransaction:^(FMDatabase * _Nonnull db, BOOL * _Nonnull rollback) {
+        NSMutableArray<NSNumber*> *needDeleteMessageIDs = [NSMutableArray array];
         for (WKMessageExtra *messageExtra in messageExtras) {
             NSString *extraStr = @"";
             if(messageExtra.extra) {
@@ -65,6 +66,7 @@ -(void) addOrUpdateMessageExtras:(NSArray<WKMessageExtra*>*)messageExtras {
                 readedAt = [messageExtra.readedAt timeIntervalSince1970];
             }
             [db executeUpdate:SQL_MESSAGE_EXTRA_INSERT_OR_UPDATE,@(messageExtra.messageID),@(messageExtra.messageSeq),messageExtra.channelID?:@"",@(messageExtra.channelType),@(messageExtra.readed),@(readedAt),@(messageExtra.readedCount),@(messageExtra.unreadCount),@(messageExtra.revoke),messageExtra.revoker?:@"",messageExtra.contentEditData?:@"",@(messageExtra.editedAt),extraStr,@(messageExtra.extraVersion)];
+            
         }
     }];
 }
diff --git a/WuKongIMSDK/Classes/manager/WKChatManager.m b/WuKongIMSDK/Classes/manager/WKChatManager.m
index ac8e347..80608e2 100644
--- a/WuKongIMSDK/Classes/manager/WKChatManager.m
+++ b/WuKongIMSDK/Classes/manager/WKChatManager.m
@@ -29,6 +29,7 @@
 #import "WKMessageExtraDB.h"
 #import "WKConversationManagerInner.h"
 #import "WKConversationLastMessageAndUnreadCount.h"
+#import "WKMessageQueueManager.h"
 
 @interface WKChatManager ()
 
@@ -253,32 +254,37 @@ -(WKMessage*) sendMessage:(WKMessage*)message {
 
 -(WKMessage*) sendMessage:(WKMessage*)message addRetryQueue:(BOOL)addRetryQueue{
     
-    
-    dispatch_async(self.sendMessageQueue,^{
-        // 发送消息
-        WKSendPacket *sendPacket = [WKSendPacket new];
-        sendPacket.header.showUnread = message.header?message.header.showUnread:0;
-        sendPacket.header.noPersist = message.header?message.header.noPersist:0;
-        WKSetting *setting = message.setting;
-        if(message.topic && ![message.topic isEqualToString:@""]) {
-            setting.topic = true;
-        }
-        sendPacket.setting = setting;
-        sendPacket.clientSeq = message.clientSeq;
-        sendPacket.clientMsgNo = message.clientMsgNo;
-        sendPacket.channelId = message.channel.channelId;
-        sendPacket.channelType = message.channel.channelType;
-        sendPacket.expire = message.expire;
-        sendPacket.topic = message.topic;
-        sendPacket.payload = message.content.encode;
-        
         if(addRetryQueue) {
             // 添加到重试队列
             [[WKRetryManager shared] add:message];
         }
-        [[[WKSDK shared] connectionManager] sendPacket:sendPacket];
-        
-    });
+        [WKMessageQueueManager.shared sendMessage:message];
+    
+//    dispatch_async(self.sendMessageQueue,^{
+//        // 发送消息
+//        WKSendPacket *sendPacket = [WKSendPacket new];
+//        sendPacket.header.showUnread = message.header?message.header.showUnread:0;
+//        sendPacket.header.noPersist = message.header?message.header.noPersist:0;
+//        WKSetting *setting = message.setting;
+//        if(message.topic && ![message.topic isEqualToString:@""]) {
+//            setting.topic = true;
+//        }
+//        sendPacket.setting = setting;
+//        sendPacket.clientSeq = message.clientSeq;
+//        sendPacket.clientMsgNo = message.clientMsgNo;
+//        sendPacket.channelId = message.channel.channelId;
+//        sendPacket.channelType = message.channel.channelType;
+//        sendPacket.expire = message.expire;
+//        sendPacket.topic = message.topic;
+//        sendPacket.payload = message.content.encode;
+//
+//        if(addRetryQueue) {
+//            // 添加到重试队列
+//            [[WKRetryManager shared] add:message];
+//        }
+//        [[[WKSDK shared] connectionManager] sendPacket:sendPacket];
+//
+//    });
     
     
     
@@ -452,13 +458,16 @@ -(void) handleSendack:(NSArray<WKSendackPacket*> *)sendackArray {
     }
     
     // 调用委托
-    NSArray<WKMessage*> *messages = [[WKMessageDB shared] getMessagesWithClientSeqs:clientIDs];
-    if(messages && messages.count>0) {
-        for (NSInteger i=0; i<messages.count; i++) {
-            WKMessage *message = messages[i];
-            [self callMessageUpdateDelegate:message left:messages.count-1-i total:messages.count];
+    if(clientIDs.count>0) {
+        NSArray<WKMessage*> *messages = [[WKMessageDB shared] getMessagesWithClientSeqs:clientIDs];
+        if(messages && messages.count>0) {
+            NSLog(@"messages--aaaa------->%lu",messages.count);
+            for (NSInteger i=0; i<messages.count; i++) {
+                WKMessage *message = messages[i];
+                [self callMessageUpdateDelegate:message left:messages.count-1-i total:messages.count];
+            }
+            [self addOrUpdateConversationWithMessages:messages];
         }
-        [self addOrUpdateConversationWithMessages:messages];
     }
     for (NSInteger i=0; i<sendackArray.count; i++) {
         [self callSendackDelegate:sendackArray[i] left:sendackArray.count-(i+1)];
@@ -1426,8 +1435,14 @@ -(void) updateMessageRemoteExtra:(WKMessage*)message {
             NSLog(@"更新远程消息扩展失败！->%@",error);
             return;
         }
+       
         [[WKMessageExtraDB shared] addOrUpdateMessageExtras:@[message.remoteExtra]];
         [weakSelf callMessageUpdateDelegate:message];
+        
+        if(message.remoteExtra.isMutualDeleted) { // 如果是双向删除 则删除此消息
+            [weakSelf deleteMessage:message];
+        }
+       
     });
 }
 
@@ -1701,11 +1716,31 @@ -(void) syncMessageExtra:(WKChannel*)channel complete:(void(^)(NSError *error))c
                 if(messages && messages.count>0) {
                     NSDictionary *reactionDict=  [[WKReactionDB shared] getReactionDictionary:messageIDs];
                     NSInteger i = messages.count - 1;
+                    
+                    // 消息更新通知
                     for (WKMessage *message in messages) {
                         message.reactions = reactionDict[[NSString stringWithFormat:@"%llu", message.messageId]];
                         [weakSelf callMessageUpdateDelegate:message left:i total:messages.count];
                         i--;
                     }
+                    
+                    // 消息删除通知
+                    NSMutableArray<WKMessage*> *deletedMessages = [NSMutableArray array];
+                    for (WKMessage *message in messages) {
+                        for (WKMessageExtra *messageExtra in results) {
+                            if(messageExtra.isMutualDeleted) {
+                                message.isDeleted = true;
+                                [deletedMessages addObject:message];
+                                break;
+                            }
+                        }
+                    }
+                    if(deletedMessages.count>0) {
+                        for (WKMessage *message in deletedMessages) {
+                            [weakSelf deleteMessage:message];
+                        }
+                    }
+                    
                 }
                // [weakSelf updateMessageExtraFromRemote:results];
             }
diff --git a/WuKongIMSDK/Classes/manager/WKConnectionManager.h b/WuKongIMSDK/Classes/manager/WKConnectionManager.h
index 47c6cce..2e70eb7 100644
--- a/WuKongIMSDK/Classes/manager/WKConnectionManager.h
+++ b/WuKongIMSDK/Classes/manager/WKConnectionManager.h
@@ -91,6 +91,7 @@ typedef enum : NSUInteger {
  */
 -(void) sendPacket:(WKPacket*)packet;
 
+-(void) writeData:(NSData*) data;
 
 /**
  发送ping包
diff --git a/WuKongIMSDK/Classes/manager/WKConnectionManager.m b/WuKongIMSDK/Classes/manager/WKConnectionManager.m
index d7a1e26..7ef4770 100644
--- a/WuKongIMSDK/Classes/manager/WKConnectionManager.m
+++ b/WuKongIMSDK/Classes/manager/WKConnectionManager.m
@@ -26,6 +26,7 @@
 #import "WKReminderManager.h"
 #import "WKChatManagerInner.h"
 #import "WKConversationManagerInner.h"
+#import "WKMessageQueueManager.h"
 
 @interface WKConnectionManager ()<GCDAsyncSocketDelegate>
 
@@ -428,7 +429,11 @@ -(void) sendPing{
 // 发送包
 -(void) sendPacket:(WKPacket*)packet{
     NSData *data = [[WKSDK shared].coder encode:packet];
-    [self.ssocket writeData:data withTimeout:-1 tag:0];
+    [self writeData:data];
+}
+
+-(void) writeData:(NSData*) data {
+    [self.ssocket writeData:data withTimeout:1 tag:0];
 }
 
 - (NSLock *)delegateLock {
@@ -453,8 +458,10 @@ - (void)removeDelegate:(id<WKConnectionManagerDelegate>) delegate {
 -(void) connectStatusChange {
     if(self.connectStatusInner == WKConnected) {
         [[WKRetryManager shared] start];
+        [WKMessageQueueManager.shared start];
     }else {
         [[WKRetryManager shared] stop];
+        [[WKMessageQueueManager shared] stop];
     }
     if(self.onConnectStatusChange) {
         self.onConnectStatusChange(self.connectStatusInner);
@@ -519,6 +526,9 @@ -(void) unpacket:(NSData*)packetData  callback:(void(^) (NSArray<NSData*> *data)
                 [dataList addObject:data];
             }];
             lenAfter = self.tempBufferData.length;
+            if(lenAfter>0) {
+                NSLog(@"有剩余未被解析的包->%lu",lenAfter);
+            }
         } while (lenBefore != lenAfter && lenAfter >= 1);
         if (dataList.count > 0) {
             callback(dataList);
@@ -568,19 +578,23 @@ -(NSMutableData*) unpackOneLM:(NSMutableData*)packData callback:(void(^) (NSData
     } while (hasLength);
     
     if (!remLengthFull) {
+        NSLog(@"包长度没有读出来");
         return packData;
     }
     int remLengthLength = pos - fixedHeaderLength; // 剩余长度的长度
     if (fixedHeaderLength + remLengthLength + remLength > length) {
         // 固定头的长度 + 剩余长度的长度 + 剩余长度 如果大于 总长度说明分包了
+        NSLog(@"分包了...");
         return packData;
     }else {
         if (fixedHeaderLength + remLengthLength + remLength == length) {
             // 刚好一个包
+            NSLog(@"刚好一个包");
             callback(packData);
             return [[NSMutableData alloc] init];
         } else {
             // 粘包  大于1个包
+            NSLog(@"粘包  大于1个包");
             int packetLength = fixedHeaderLength + remLengthLength + remLength;;
             callback([packData subdataWithRange:NSMakeRange(0, packetLength)]);
             return [[NSMutableData alloc] initWithData:[packData subdataWithRange:NSMakeRange(packetLength, length-packetLength)]];
@@ -653,6 +667,7 @@ -(void) handlePacketData:(NSArray<NSData*>*)dataList {
 }
 
 -(void) handlePackets:(NSArray<WKPacket*>*)packets {
+    NSLog(@"handlePackets----------------start---->%lu",packets.count);
     NSDictionary<NSNumber*,NSArray<WKPacket*>*>* packetDict = [self packetGroup:packets];
     for (NSNumber *packetTypeNum in packetDict.allKeys) {
         NSArray<WKPacket*> *packetList = [packetDict objectForKey:packetTypeNum];
@@ -661,11 +676,16 @@ -(void) handlePackets:(NSArray<WKPacket*>*)packets {
                 [[WKSDK shared].chatManager handleSendack:(NSArray<WKSendackPacket*> *)packetList];
                 break;
             case WK_RECV:
-                 [[WKSDK shared].chatManager handleRecv:(NSArray<WKRecvPacket*> *)packetList];
+                [[WKSDK shared].chatManager handleRecv:(NSArray<WKRecvPacket*> *)packetList];
+                break;
+            case  WK_PONG:
+                break;
             default:
+                NSLog(@"未知的数据包-->[%d]",packetTypeNum.unsignedIntValue);
                 break;
         }
     }
+    NSLog(@"handlePackets----------------end---->%lu",packets.count);
 }
 
 -( WKConnectStatus) connectStatus {
diff --git a/WuKongIMSDK/Classes/manager/WKMessageQueueManager.h b/WuKongIMSDK/Classes/manager/WKMessageQueueManager.h
new file mode 100644
index 0000000..5217b9f
--- /dev/null
+++ b/WuKongIMSDK/Classes/manager/WKMessageQueueManager.h
@@ -0,0 +1,25 @@
+//
+//  WKMessageQueueManager.h
+//  WuKongIMSDK
+//
+//  Created by tt on 2023/11/15.
+//
+
+#import <Foundation/Foundation.h>
+#import "WKMessage.h"
+
+NS_ASSUME_NONNULL_BEGIN
+
+@interface WKMessageQueueManager : NSObject
+
++ (WKMessageQueueManager *)shared;
+
+-(void) start;
+
+-(void) stop;
+
+- (void)sendMessage:(WKMessage *)message;
+
+@end
+
+NS_ASSUME_NONNULL_END
diff --git a/WuKongIMSDK/Classes/manager/WKMessageQueueManager.m b/WuKongIMSDK/Classes/manager/WKMessageQueueManager.m
new file mode 100644
index 0000000..a7bbc3f
--- /dev/null
+++ b/WuKongIMSDK/Classes/manager/WKMessageQueueManager.m
@@ -0,0 +1,115 @@
+//
+//  WKMessageQueueManager.m
+//  WuKongIMSDK
+//
+//  Created by tt on 2023/11/15.
+//
+
+#import "WKMessageQueueManager.h"
+#import "WKMessage.h"
+#import "WKSendPacket.h"
+#import "WKSDK.h"
+#import "WKConnectionManager.h"
+
+@interface WKMessageQueueManager ()
+
+@property (nonatomic, strong) NSMutableArray<WKSendPacket*> *sendPackets;
+
+@property(nonatomic,strong) NSTimer *timer;
+
+@end
+
+@implementation WKMessageQueueManager
+
+
+static WKMessageQueueManager *_instance;
++ (id)allocWithZone:(NSZone *)zone
+{
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        _instance = [super allocWithZone:zone];
+    });
+    return _instance;
+}
++ (WKMessageQueueManager *)shared
+{
+    static dispatch_once_t onceToken;
+    dispatch_once(&onceToken, ^{
+        _instance = [[self alloc] init];
+    });
+    return _instance;
+}
+- (NSMutableArray<WKSendPacket *> *)sendPackets {
+    if(!_sendPackets) {
+        _sendPackets = [NSMutableArray array];
+    }
+    return _sendPackets;
+}
+
+- (void)sendMessage:(WKMessage *)message {
+    // 发送消息
+    WKSendPacket *sendPacket = [WKSendPacket new];
+    sendPacket.header.showUnread = message.header?message.header.showUnread:0;
+    sendPacket.header.noPersist = message.header?message.header.noPersist:0;
+    WKSetting *setting = message.setting;
+    if(message.topic && ![message.topic isEqualToString:@""]) {
+        setting.topic = true;
+    }
+    sendPacket.setting = setting;
+    sendPacket.clientSeq = message.clientSeq;
+    sendPacket.clientMsgNo = message.clientMsgNo;
+    sendPacket.channelId = message.channel.channelId;
+    sendPacket.channelType = message.channel.channelType;
+    sendPacket.expire = message.expire;
+    sendPacket.topic = message.topic;
+    sendPacket.payload = message.content.encode;
+    [self.sendPackets addObject:sendPacket];
+    
+   
+}
+
+-(void) start {
+    if(self.timer) {
+        [self.timer invalidate];
+        self.timer = nil;
+    }
+    CGFloat delay = (double)WKSDK.shared.options.sendFrequency/1000.0f;
+    NSLog(@"delay--->%0.2f",delay);
+    self.timer = [NSTimer scheduledTimerWithTimeInterval:delay target:self selector:@selector(flushQueue) userInfo:nil repeats:YES];
+    
+}
+
+-(void) stop {
+    [self.sendPackets removeAllObjects];
+    if(self.timer) {
+        [self.timer invalidate];
+        self.timer = nil;
+    }
+}
+
+-(void) flushQueue {
+    NSMutableData *sendPacketDatas;
+    NSInteger sendPacketCount = 0;
+    while (self.sendPackets.count>0) {
+        if(!sendPacketDatas) {
+            sendPacketDatas = [[NSMutableData alloc] init];
+        }
+        
+        WKSendPacket *sendPacket = self.sendPackets.firstObject;
+        [self.sendPackets removeObjectAtIndex:0];
+        
+        NSData *data = [[WKSDK shared].coder encode:sendPacket];
+        [sendPacketDatas appendData:data];
+        
+        sendPacketCount++;
+        if(sendPacketCount>=[WKSDK shared].options.sendMaxCountOfEach) {
+            break;
+        }
+    }
+    if(sendPacketDatas && sendPacketDatas.length>0) {
+        [WKConnectionManager.sharedManager writeData:sendPacketDatas];
+    }
+}
+
+
+@end
diff --git a/WuKongIMSDK/Classes/model/WKMessageExtra.h b/WuKongIMSDK/Classes/model/WKMessageExtra.h
index 606779e..f824325 100644
--- a/WuKongIMSDK/Classes/model/WKMessageExtra.h
+++ b/WuKongIMSDK/Classes/model/WKMessageExtra.h
@@ -33,6 +33,7 @@ typedef enum : NSUInteger {
 @property(nonatomic,assign) NSInteger editedAt; // 消息编辑时间 （0表示消息未被编辑）
 @property(nonatomic,assign) BOOL isEdit; //  是否编辑
 @property(nonatomic,assign) WKContentEditUploadStatus uploadStatus; // 上传状态
+@property(nonatomic,assign) BOOL isMutualDeleted; // 是否双向删除
 
 @property(nonatomic,copy) NSDictionary *extra; // 扩展数据