diff --git a/src/mainwindow.cpp b/src/mainwindow.cpp
index b5c6bf6..7bd980b 100644
--- a/src/mainwindow.cpp
+++ b/src/mainwindow.cpp
@@ -330,8 +330,8 @@ void MainWindow::setupUI() {
     
     // OTA按钮
     QHBoxLayout *otaButtonLayout = new QHBoxLayout();
-    otaUpgradeBtn = new QPushButton("升级到1.1.41", this);
-    otaDowngradeBtn = new QPushButton("降级到1.1.40", this);
+    otaUpgradeBtn = new QPushButton("升级", this);
+    otaDowngradeBtn = new QPushButton("降级", this);
     otaButtonLayout->addWidget(otaUpgradeBtn);
     otaButtonLayout->addWidget(otaDowngradeBtn);
     otaLayout->addLayout(otaButtonLayout);