diff --git a/Podfile.lock b/Podfile.lock
index bdad0cb9a..52b6f3440 100644
--- a/Podfile.lock
+++ b/Podfile.lock
@@ -136,10 +136,10 @@ PODS:
   - TIoTLinkKit_IJKPlayer (1.0.2)
   - TIoTLinkKit_TPNS (1.0.1)
   - TIoTLinkKit_WechatOpenSDK (1.0.1)
-  - TIoTLinkKit_XP2P (2.3.3-beta.202112080926)
+  - TIoTLinkKit_XP2P (2.3.4-beta.202112160406)
   - TIoTLinkVideo (1.0.0):
     - TIoTLinkKit_Faac (= 2.0.5)
-    - TIoTLinkKit_XP2P (= 2.3.3-beta.202112080926)
+    - TIoTLinkKit_XP2P (= 2.3.4-beta.202112160406)
   - TrueTime (5.0.3)
   - TXLiteAVSDK_TRTC (8.0.9644)
   - TZImagePickerController (3.2.1)
@@ -261,8 +261,8 @@ SPEC CHECKSUMS:
   TIoTLinkKit_IJKPlayer: e47c3fed6b204e7544f84a24310cab7a372854d1
   TIoTLinkKit_TPNS: 7cea4fc1d20ef6c4c11c4f0b66bbb10ecf4ed968
   TIoTLinkKit_WechatOpenSDK: 7822d68cc5c46edf3f6020422202e7b65ea87614
-  TIoTLinkKit_XP2P: 2759237404fa06b0888703f34af3b2c5a6e583a6
-  TIoTLinkVideo: 46cd77511384c9826a885bcd56eff6a1e2ed0eca
+  TIoTLinkKit_XP2P: 849329c6900d18a91b254701fb4b116f4c4ef3db
+  TIoTLinkVideo: 12eca35ee373da4bc2f6b4c1d21a4c8c5af026f6
   TrueTime: b49551ffafb28a9dee04e51b226f42a416010842
   TXLiteAVSDK_TRTC: e3383a81565e8bb2aaaaab4bd099ad5239cd5b2d
   TZImagePickerController: bf4c57b98d8707fce41ea6be872414a71c7a8c9d
diff --git a/Source/LinkSDKDemo/Video/P2P/Controller/TIoTDemoPreviewDeviceVC.m b/Source/LinkSDKDemo/Video/P2P/Controller/TIoTDemoPreviewDeviceVC.m
index 077fa2476..3c9d6aed2 100644
--- a/Source/LinkSDKDemo/Video/P2P/Controller/TIoTDemoPreviewDeviceVC.m
+++ b/Source/LinkSDKDemo/Video/P2P/Controller/TIoTDemoPreviewDeviceVC.m
@@ -1108,8 +1108,9 @@ - (void)refushVideo:(NSNotification *)notify {
              self.startPlayer = CACurrentMediaTime();
          });
          */
+        [self setVieoPlayerStartPlayWith:self.qualityString];
         
-        [self getDeviceStatusWithType:action_live qualityType:self.qualityString];
+//        [self getDeviceStatusWithType:action_live qualityType:self.qualityString];
     }
 }
 
@@ -1121,13 +1122,14 @@ - (void)responseP2PdisConnect:(NSNotification *)notify {
         return;
     }
     
+    NSLog(@"通道断开，正在重连");
     [MBProgressHUD showError:@"通道断开，正在重连"];
     
-    [[TIoTCoreXP2PBridge sharedInstance] stopService: DeviceName];
-    
-    TIoTCoreAppEnvironment *env = [TIoTCoreAppEnvironment shareEnvironment];
-    [[TIoTCoreXP2PBridge sharedInstance] startAppWith:env.cloudProductId dev_name:DeviceName?:@""];
-    [[TIoTCoreXP2PBridge sharedInstance] setXp2pInfo:DeviceName?:@"" sec_id:env.cloudSecretId sec_key:env.cloudSecretKey xp2pinfo:@""];
+    dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(3 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+        TIoTCoreAppEnvironment *env = [TIoTCoreAppEnvironment shareEnvironment];
+        [[TIoTCoreXP2PBridge sharedInstance] setXp2pInfo:DeviceName?:@"" sec_id:env.cloudSecretId sec_key:env.cloudSecretKey xp2pinfo:@""];
+        [self setVieoPlayerStartPlayWith:self.qualityString];
+    });
 
 }
 /// MARK:新设备
@@ -1157,9 +1159,6 @@ - (void)setVieoPlayerStartPlayWith:(NSString *)qualityString {
 
 - (void)nav_customBack {
     [self stopPlayMovie];
-    if (self.isNVR == NO) {
-        [[TIoTCoreXP2PBridge sharedInstance] stopService:self.deviceName?:@""];
-    }
     [self removeMovieNotificationObservers];
     [self.navigationController popViewControllerAnimated:YES];
 }
@@ -1211,7 +1210,8 @@ - (void)configVideo {
         [self.player setOptionIntValue:1 forKey:@"start-on-prepared" ofCategory:kIJKFFOptionCategoryPlayer];
         [self.player setOptionIntValue:1 forKey:@"threads" ofCategory:kIJKFFOptionCategoryCodec];
         [self.player setOptionIntValue:0 forKey:@"sync-av-start" ofCategory:kIJKFFOptionCategoryPlayer];
-//        [self.player setOptionValue:@"16000" forKey:@"ar" ofCategory:kIJKFFOptionCategoryCodec];
+//        [self.player setOptionValue:@"8000" forKey:@"ar" ofCategory:kIJKFFOptionCategoryCodec];
+//        [self.player setOptionValue:@"1" forKey:@"ac" ofCategory:kIJKFFOptionCategoryCodec];
         
     }else {
         // 2.通过裸流服务拉流
@@ -1431,13 +1431,6 @@ - (void)resetVideoPlayerWithQuality:(NSString *)qualityString {
         qualityID = [NSString stringWithFormat:@"%@&channel=0",qualityString];
     }
     
-    if (self.isNVR == NO) {
-//        NSString *deviceName = self.deviceName?:@"";
-//        [[TIoTCoreXP2PBridge sharedInstance] startAppWith:[TIoTCoreAppEnvironment shareEnvironment].cloudSecretId
-//                                                  sec_key:[TIoTCoreAppEnvironment shareEnvironment].cloudSecretKey
-//                                                   pro_id:[TIoTCoreAppEnvironment shareEnvironment].cloudProductId
-//                                                 dev_name:deviceName];
-    }
     
     dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0.5 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
         NSString *urlString = [[TIoTCoreXP2PBridge sharedInstance] getUrlForHttpFlv:self.deviceName?:@""];
diff --git a/Source/SDK/LinkVideo/TIoTCoreXP2PBridge.h b/Source/SDK/LinkVideo/TIoTCoreXP2PBridge.h
index cee40703e..5f6d0851e 100644
--- a/Source/SDK/LinkVideo/TIoTCoreXP2PBridge.h
+++ b/Source/SDK/LinkVideo/TIoTCoreXP2PBridge.h
@@ -10,6 +10,11 @@
 
 NS_ASSUME_NONNULL_BEGIN
 
+extern NSNotificationName const TIoTCoreXP2PBridgeNotificationDisconnect;
+extern NSNotificationName const TIoTCoreXP2PBridgeNotificationReady;
+extern NSNotificationName const TIoTCoreXP2PBridgeNotificationDeviceMsg;
+extern NSNotificationName const TIoTCoreXP2PBridgeNotificationStreamEnd;
+
 @protocol TIoTCoreXP2PBridgeDelegate <NSObject>
 
 /*
diff --git a/Source/SDK/LinkVideo/TIoTCoreXP2PBridge.mm b/Source/SDK/LinkVideo/TIoTCoreXP2PBridge.mm
index bcae87d95..7bedd1961 100644
--- a/Source/SDK/LinkVideo/TIoTCoreXP2PBridge.mm
+++ b/Source/SDK/LinkVideo/TIoTCoreXP2PBridge.mm
@@ -7,6 +7,12 @@
 #import "TIoTCoreXP2PBridge.h"
 #include <string.h>
 
+
+NSNotificationName const TIoTCoreXP2PBridgeNotificationDisconnect   = @"xp2disconnect"; //p2p通道断开
+NSNotificationName const TIoTCoreXP2PBridgeNotificationReady        = @"xp2preconnect"; //app本地已ready，表示探测完成，可以发起请求了
+NSNotificationName const TIoTCoreXP2PBridgeNotificationDeviceMsg    = @"XP2PTypeDeviceMsgArrived"; //收到设备端的请求数据
+NSNotificationName const TIoTCoreXP2PBridgeNotificationStreamEnd    = @"XP2PTypeStreamEnd"; // 设备主动停止推流，或者由于达到设备最大连接数，拒绝推流
+
 NSFileHandle *p2pOutLogFile;
 
 const char* XP2PMsgHandle(const char *idd, XP2PType type, const char* msg) {
@@ -44,20 +50,31 @@
         
         dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
             [p2pOutLogFile synchronizeFile];
-            [[NSNotificationCenter defaultCenter] postNotificationName:@"xp2disconnect" object:nil userInfo:@{@"id": DeviceName}];
+            [[NSNotificationCenter defaultCenter] postNotificationName:TIoTCoreXP2PBridgeNotificationDisconnect object:nil userInfo:@{@"id": DeviceName}];
         });
     }else if (type == XP2PTypeDetectReady) {
         NSLog(@"XP2P log: ready %@\n", message);
         
         dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
             [p2pOutLogFile synchronizeFile];
-            [[NSNotificationCenter defaultCenter] postNotificationName:@"xp2preconnect" object:nil userInfo:@{@"id": DeviceName}];
+            [[NSNotificationCenter defaultCenter] postNotificationName:TIoTCoreXP2PBridgeNotificationReady object:nil userInfo:@{@"id": DeviceName}];
         });
     }
     else if (type == XP2PTypeDeviceMsgArrived) {
-//        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
-//            NSLog(@"revice device msg: %@", message);
-//        });
+        // 设备端向App发消息
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+            [[NSNotificationCenter defaultCenter] postNotificationName:TIoTCoreXP2PBridgeNotificationDeviceMsg object:nil userInfo:@{@"id": DeviceName, @"msg": message}];
+        });
+    }
+    else if (type == XP2PTypeCmdNOReturn) {
+        //设备自定义信令未回复内容
+        NSLog(@"设备自定义信令未回复内容: %@", message);
+    }
+    else if (type == XP2PTypeStreamEnd) {
+        // 设备主动停止推流，或者由于达到设备最大连接数，拒绝推流
+        dispatch_after(dispatch_time(DISPATCH_TIME_NOW, (int64_t)(0 * NSEC_PER_SEC)), dispatch_get_main_queue(), ^{
+            [[NSNotificationCenter defaultCenter] postNotificationName:TIoTCoreXP2PBridgeNotificationStreamEnd object:nil userInfo:@{@"id": DeviceName}];
+        });
     }
     
     return nullptr;
@@ -70,6 +87,15 @@ void XP2PDataMsgHandle(const char *idd, uint8_t* recv_buf, size_t recv_len) {
     }
 }
 
+char* XP2PReviceDeviceCustomMsgHandle(const char *idd, uint8_t* recv_buf, size_t recv_len) {
+//    id<TIoTCoreXP2PBridgeDelegate> delegate = [TIoTCoreXP2PBridge sharedInstance].delegate;
+//    if ([delegate respondsToSelector:@selector(getVideoPacket:len:)]) {
+//        [delegate getVideoPacket:recv_buf len:recv_len];
+//    }
+    return nullptr;
+}
+
+typedef char *(*device_data_recv_handle_t)(const char *id, uint8_t *recv_buf, size_t recv_len);
 
 @interface TIoTCoreXP2PBridge ()<AWAVCaptureDelegate>
 @property (nonatomic, strong) NSString *dev_name;
@@ -112,7 +138,7 @@ - (XP2PErrCode)startAppWith:(NSString *)sec_id sec_key:(NSString *)sec_key pro_i
     return [self startAppWith:sec_id sec_key:sec_key pro_id:pro_id dev_name:dev_name xp2pinfo:@""];
 }
 - (XP2PErrCode)startAppWith:(NSString *)sec_id sec_key:(NSString *)sec_key pro_id:(NSString *)pro_id dev_name:(NSString *)dev_name xp2pinfo:(NSString *)xp2pinfo {
-    setUserCallbackToXp2p(XP2PDataMsgHandle, XP2PMsgHandle);
+    setUserCallbackToXp2p(XP2PDataMsgHandle, XP2PMsgHandle, XP2PReviceDeviceCustomMsgHandle);
     
     //1.配置IOT_P2P SDK
     self.dev_name = dev_name;
@@ -127,7 +153,7 @@ - (XP2PErrCode)startAppWith:(NSString *)sec_id sec_key:(NSString *)sec_key pro_i
 - (XP2PErrCode)startAppWith:(NSString *)pro_id dev_name:(NSString *)dev_name {
 //    setStunServerToXp2p("11.11.11.11", 111);
     //注册回调
-    setUserCallbackToXp2p(XP2PDataMsgHandle, XP2PMsgHandle);
+    setUserCallbackToXp2p(XP2PDataMsgHandle, XP2PMsgHandle, XP2PReviceDeviceCustomMsgHandle);
     
     //1.配置IOT_P2P SDK
     self.dev_name = dev_name;
diff --git a/TIoTLinkVideo.podspec b/TIoTLinkVideo.podspec
index 8e1c5bdec..c7dda2682 100644
--- a/TIoTLinkVideo.podspec
+++ b/TIoTLinkVideo.podspec
@@ -17,7 +17,7 @@ Pod::Spec.new do |s|
   s.static_framework = true
 
   s.source_files  = 'Source/SDK/LinkVideo/**/*.{h,m,c,mm}'
-  s.dependency 'TIoTLinkKit_XP2P', '2.3.3'
+  s.dependency 'TIoTLinkKit_XP2P', '2.3.4-beta.202112160406'
   s.dependency 'TIoTLinkKit_Faac', '2.0.5'
   s.pod_target_xcconfig = {
     'VALID_ARCHS'  => 'arm64'