diff --git a/dbinder/dbinder_service/src/dbinder_service.cpp b/dbinder/dbinder_service/src/dbinder_service.cpp
index cff3b1afb12987c2720bc98739ab971ef2ee1656..cd3ed2b0a6e86efda244ffc1e035b0aa14bb07e4 100644
--- a/dbinder/dbinder_service/src/dbinder_service.cpp
+++ b/dbinder/dbinder_service/src/dbinder_service.cpp
@@ -1167,7 +1167,7 @@ void DBinderService::MakeSessionByReplyMessage(std::shared_ptr<struct DHandleEnt
             return;
         }
         // ignore seqNumber overflow here, greater seqNumber means later request
-        if (oldSession->seqNumber < session->seqNumber) {
+        if (oldSession->seqNumber <= session->seqNumber) {
             // remote old session
             if (!DetachSessionObject(QueryStubPtr(replyMessage->stub))) {
                 DBINDER_LOGE(LOG_LABEL, "failed to detach session object");
diff --git a/ipc/native/src/core/dbinder/source/dbinder_databus_invoker.cpp b/ipc/native/src/core/dbinder/source/dbinder_databus_invoker.cpp
index 91438fe6752b79de3384e1b7d2898ac2f0669a74..9911cf7498b131e5f14eb7ff4fd2dfa172377e51 100644
--- a/ipc/native/src/core/dbinder/source/dbinder_databus_invoker.cpp
+++ b/ipc/native/src/core/dbinder/source/dbinder_databus_invoker.cpp
@@ -621,6 +621,7 @@ void DBinderDatabusInvoker::OnDatabusSessionClientSideClosed(int32_t socketId)
         sptr<IRemoteObject> remoteObject = current->QueryObject(descriptor);
         if (remoteObject != nullptr) {
             IPCObjectProxy *remoteProxy = reinterpret_cast<IPCObjectProxy *>(remoteObject.GetRefPtr());
+            remoteProxy->ClearDBinderServiceState();
             // No need to close session again here. First erase session and then notify user session has been closed.
             current->ProxyDetachDBinderSession(*it, remoteProxy);
             if (remoteProxy->IsSubscribeDeathNotice()) {
@@ -631,7 +632,6 @@ void DBinderDatabusInvoker::OnDatabusSessionClientSideClosed(int32_t socketId)
                 remoteProxy->SetObjectDied(true);
                 ZLOGW(LOG_LABEL, "desc:%{public}s does not subscribe death notice", descStr8.c_str());
             }
-            remoteProxy->ClearDBinderServiceState();
         } else {
             ZLOGE(LOG_LABEL, "cannot find proxy with desc:%{public}s", descStr8.c_str());
         }