diff --git a/3rdparty/ftpserver/fineftp-server/src/ftp_session.cpp b/3rdparty/ftpserver/fineftp-server/src/ftp_session.cpp
index d8afc69..ec50b2c 100755
--- a/3rdparty/ftpserver/fineftp-server/src/ftp_session.cpp
+++ b/3rdparty/ftpserver/fineftp-server/src/ftp_session.cpp
@@ -1125,7 +1125,8 @@ void FtpSession::writeDataToSocket(std::shared_ptr<asio::ip::tcp::socket> data_s
             // we got to the end of transmission
             me->data_buffer_.pop_front();
             me->sendFtpMessage(FtpReplyCode::CLOSING_DATA_CONNECTION, "Done");
-            s_freePorts.push(port);
+            auto nowPort = data_socket->local_endpoint().port();
+            s_freePorts.push(nowPort);
             data_socket->close();
             if (me->getAcceptor().is_open()) {
                 std::cout << "acceptor is open" << std::endl;
@@ -1171,6 +1172,17 @@ void FtpSession::receiveDataFromSocketAndWriteToFile(std::shared_ptr<IoFile> fil
                                  me->writeDataToFile(buffer, file);
                              }
                              me->endDataReceiving(file);
+                             auto nowPort = data_socket->local_endpoint().port();
+                             s_freePorts.push(nowPort);
+                             data_socket->close();
+                             if (me->getAcceptor().is_open()) {
+                                 std::cout << "acceptor is open" << std::endl;
+                                 asio::error_code ec;
+                                 me->getAcceptor().close(ec);
+                                 if (ec) {
+                                     std::cerr << "Error closing data acceptor: " << ec.message() << std::endl;
+                                 }
+                             }
                              return;
                          } else if (length > 0) {
                              me->writeDataToFile(buffer, file, [me, file, data_socket]() {