diff --git a/services/implementation/include/authentication_v2/dm_auth_state.h b/services/implementation/include/authentication_v2/dm_auth_state.h
index 0eae068149885bf8a5c702e30f140cd64a1c5721..f1857b8f1698cd3aed6b0b43f33843aedba4f2d4 100644
--- a/services/implementation/include/authentication_v2/dm_auth_state.h
+++ b/services/implementation/include/authentication_v2/dm_auth_state.h
@@ -176,6 +176,7 @@ public:
     static void DeleteAclAndSk(std::shared_ptr<DmAuthContext> context,
         const DistributedDeviceProfile::AccessControlProfile &profile);
     void GetPeerDeviceId(std::shared_ptr<DmAuthContext> context, std::string &peerDeviceId);
+    void JoinLnn(std::shared_ptr<DmAuthContext> context);
 protected:
     bool NeedReqUserConfirm(std::shared_ptr<DmAuthContext> context);
     bool NeedAgreeAcl(std::shared_ptr<DmAuthContext> context);
diff --git a/services/implementation/include/dependency/softbus/softbus_connector.h b/services/implementation/include/dependency/softbus/softbus_connector.h
index be6e0468b7c5ca4dd2ba25a8a2c4c6001c39856a..3f3a102941875631243bd20cab736b30a8198d01 100644
--- a/services/implementation/include/dependency/softbus/softbus_connector.h
+++ b/services/implementation/include/dependency/softbus/softbus_connector.h
@@ -86,12 +86,13 @@ public:
      * @tc.desc: join lnn by session id
      * @tc.type: FUNC
      */
-    static void JoinLnnByHml(int32_t sessionId, int32_t sessionKeyId, int32_t remoteSessionKeyId);
+    static void JoinLnnByHml(int32_t sessionId, int32_t sessionKeyId, int32_t remoteSessionKeyId,
+        bool isForceJoin = false);
 
     static void JoinLnn(const std::string &deviceId, const std::string &remoteUdidHash);
 
     static void JoinLNNBySkId(int32_t sessionId, int32_t sessionKeyId, int32_t remoteSessionKeyId,
-        std::string udid, std::string udidHash);
+        std::string udid, std::string udidHash, bool isForceJoin = false);
 
     /**
      * @tc.name: SoftbusConnector::RegisterConnectorCallback
diff --git a/services/implementation/src/authentication_v2/auth_stages/auth_acl.cpp b/services/implementation/src/authentication_v2/auth_stages/auth_acl.cpp
index ca8c677f5962841b5bcc7daa8fb7b4134b57d52d..d6d13bfc97b5c14cbd15aa17988e683cba51a894 100644
--- a/services/implementation/src/authentication_v2/auth_stages/auth_acl.cpp
+++ b/services/implementation/src/authentication_v2/auth_stages/auth_acl.cpp
@@ -179,20 +179,7 @@ int32_t AuthSrcDataSyncState::Action(std::shared_ptr<DmAuthContext> context)
     bool isNeedJoinLnn = context->softbusConnector->CheckIsNeedJoinLnn(peerDeviceId, context->accessee.addr);
     // Trigger networking
     if ((!context->accesser.isOnline || isNeedJoinLnn) && context->isNeedJoinLnn) {
-        if (context->connSessionType == CONN_SESSION_TYPE_HML) {
-            context->softbusConnector->JoinLnnByHml(context->sessionId, context->accesser.transmitSessionKeyId,
-                context->accessee.transmitSessionKeyId);
-        } else {
-            char udidHashTmp[DM_MAX_DEVICE_ID_LEN] = {0};
-            if (Crypto::GetUdidHash(context->accessee.deviceId, reinterpret_cast<uint8_t*>(udidHashTmp)) != DM_OK) {
-                LOGE("AuthSrcDataSyncState joinLnn get udidhash by udid: %{public}s failed",
-                    GetAnonyString(context->accessee.deviceId).c_str());
-                return ERR_DM_FAILED;
-            }
-            std::string peerUdidHash = std::string(udidHashTmp);
-            context->softbusConnector->JoinLNNBySkId(context->sessionId, context->accesser.transmitSessionKeyId,
-                context->accessee.transmitSessionKeyId, context->accessee.addr, peerUdidHash);
-        }
+        JoinLnn(context);
     }
     context->reason = DM_OK;
     context->reply = DM_OK;
@@ -260,20 +247,7 @@ int32_t AuthSrcFinishState::Action(std::shared_ptr<DmAuthContext> context)
     bool isNeedJoinLnn = context->softbusConnector->CheckIsNeedJoinLnn(peerDeviceId, context->accessee.addr);
     // Trigger networking
     if (context->reason == DM_BIND_TRUST_TARGET && (!context->accesser.isOnline || isNeedJoinLnn)) {
-        if (context->connSessionType == CONN_SESSION_TYPE_HML) {
-            context->softbusConnector->JoinLnnByHml(context->sessionId, context->accesser.transmitSessionKeyId,
-                context->accessee.transmitSessionKeyId);
-        } else {
-            char udidHashTmp[DM_MAX_DEVICE_ID_LEN] = {0};
-            if (Crypto::GetUdidHash(context->accessee.deviceId, reinterpret_cast<uint8_t*>(udidHashTmp)) != DM_OK) {
-                LOGE("AuthSrcDataSyncState joinLnn get udidhash by udid: %{public}s failed",
-                    GetAnonyString(context->accessee.deviceId).c_str());
-                return ERR_DM_FAILED;
-            }
-            std::string peerUdidHash = std::string(udidHashTmp);
-            context->softbusConnector->JoinLNNBySkId(context->sessionId, context->accesser.transmitSessionKeyId,
-                context->accessee.transmitSessionKeyId, context->accessee.addr, peerUdidHash);
-        }
+        JoinLnn(context);
     }
     LOGI("AuthSrcFinishState::Action ok");
     std::shared_ptr<DmAuthContext> tempContext = context;
diff --git a/services/implementation/src/authentication_v2/dm_auth_state.cpp b/services/implementation/src/authentication_v2/dm_auth_state.cpp
index c51087201146cd1aaff624fb66d3d11b293b5dcc..a8da668324b9563fbbd500f756a8933fbf9f05ef 100644
--- a/services/implementation/src/authentication_v2/dm_auth_state.cpp
+++ b/services/implementation/src/authentication_v2/dm_auth_state.cpp
@@ -971,5 +971,27 @@ void DmAuthState::RemoveTokenIdsFromCredential(std::shared_ptr<DmAuthContext> co
     }
     context->hiChainAuthConnector->UpdateCredential(credId, access.userId, appList);
 }
+
+void DmAuthState::JoinLnn(std::shared_ptr<DmAuthContext> context)
+{
+    CHECK_NULL_VOID(context);
+    CHECK_NULL_VOID(context->softbusConnector);
+    bool isForceJoin = false;
+    if (!context->accesser.isOnline) {
+        LOGI("The remote device is offline.");
+        isForceJoin = true;
+    }
+    if (context->connSessionType == CONN_SESSION_TYPE_HML) {
+        context->softbusConnector->JoinLnnByHml(context->sessionId, context->accesser.transmitSessionKeyId,
+            context->accessee.transmitSessionKeyId, isForceJoin);
+    } else {
+        char udidHashTmp[DM_MAX_DEVICE_ID_LEN] = {0};
+        if (Crypto::GetUdidHash(context->accessee.deviceId, reinterpret_cast<uint8_t*>(udidHashTmp)) == DM_OK) {
+            std::string peerUdidHash = std::string(udidHashTmp);
+            context->softbusConnector->JoinLNNBySkId(context->sessionId, context->accesser.transmitSessionKeyId,
+                context->accessee.transmitSessionKeyId, context->accessee.addr, peerUdidHash, isForceJoin);
+        }
+    }
+}
 } // namespace DistributedHardware
 } // namespace OHOS
diff --git a/services/implementation/src/dependency/softbus/softbus_connector.cpp b/services/implementation/src/dependency/softbus/softbus_connector.cpp
index 90606a916a10fd09fe3239f4c3b031ef976a5b52..ea2ddcb5cf19af81908d75871e33f114d3a6b43a 100644
--- a/services/implementation/src/dependency/softbus/softbus_connector.cpp
+++ b/services/implementation/src/dependency/softbus/softbus_connector.cpp
@@ -318,7 +318,7 @@ void SoftbusConnector::JoinLnn(const std::string &deviceId, const std::string &r
 }
 
 void SoftbusConnector::JoinLNNBySkId(int32_t sessionId, int32_t sessionKeyId, int32_t remoteSessionKeyId,
-    std::string udid, std::string udidHash)
+    std::string udid, std::string udidHash, bool isForceJoin)
 {
     LOGI("start, JoinLNNBySkId sessionId: %{public}d, udid: %{public}s.", sessionId, GetAnonyString(udid).c_str());
     std::string connectAddr;
@@ -346,13 +346,14 @@ void SoftbusConnector::JoinLNNBySkId(int32_t sessionId, int32_t sessionKeyId, in
         addrInfo->deviceKeyId.localDeviceKeyId = 0; // 总线修改后适配
         addrInfo->deviceKeyId.remoteDeviceKeyId = 0; // 总线修改后适配
     }
-    int32_t ret = ::JoinLNN(DM_PKG_NAME, addrInfo.get(), OnSoftbusJoinLNNResult, false);
+    int32_t ret = ::JoinLNN(DM_PKG_NAME, addrInfo.get(), OnSoftbusJoinLNNResult, isForceJoin);
     if (ret != DM_OK) {
         LOGE("[SOFTBUS]JoinLNNBySkId failed, ret: %{public}d.", ret);
     }
 }
 
-void SoftbusConnector::JoinLnnByHml(int32_t sessionId, int32_t sessionKeyId, int32_t remoteSessionKeyId)
+void SoftbusConnector::JoinLnnByHml(int32_t sessionId, int32_t sessionKeyId, int32_t remoteSessionKeyId,
+    bool isForceJoin)
 {
     LOGI("start, JoinLnnByHml sessionId: %{public}d.", sessionId);
     ConnectionAddr addrInfo;
@@ -367,7 +368,7 @@ void SoftbusConnector::JoinLnnByHml(int32_t sessionId, int32_t sessionKeyId, int
         addrInfo.deviceKeyId.localDeviceKeyId = 0;
         addrInfo.deviceKeyId.remoteDeviceKeyId = 0;
     }
-    int32_t ret = ::JoinLNN(DM_PKG_NAME, &addrInfo, OnSoftbusJoinLNNResult, false);
+    int32_t ret = ::JoinLNN(DM_PKG_NAME, &addrInfo, OnSoftbusJoinLNNResult, isForceJoin);
     if (ret != DM_OK) {
         LOGE("[SOFTBUS]JoinLNN failed, ret: %{public}d.", ret);
     }