diff --git a/DeviceConnection.cpp b/DeviceConnection.cpp
index 182fe46..ff0b450 100644
--- a/DeviceConnection.cpp
+++ b/DeviceConnection.cpp
@@ -453,7 +453,11 @@ void DeviceConnection::requestOta(const QString &firmware, const QString &file)
     Task task;
     task.command = "a22devicefirmware_setdata";
     task.task = [this, file, firmware]() {
+#ifdef Q_OS_LINUX
+        std::ifstream ifs(file.toStdString(), std::ifstream::binary);
+#else
         std::ifstream ifs(Amass::StringUtility::UTF8ToGBK(file.toStdString()), std::ifstream::binary);
+#endif
         m_uploadBuffer = std::vector<uint8_t>((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());
         m_sendedSize = 0;