diff --git a/gui/main_window.py b/gui/main_window.py
index e102a9c..44d51a6 100644
--- a/gui/main_window.py
+++ b/gui/main_window.py
@@ -317,7 +317,15 @@ class MainWindow(QMainWindow):
             if success:
                 QMessageBox.information(self, "成功", message)
             else:
-                QMessageBox.warning(self, "失败", message)
+                # 检查是否是未激活错误
+                if "设备未激活" in message:
+                    QMessageBox.warning(self, "设备未激活", 
+                        "请先激活设备后再进行更新。\n"
+                        "您可以：\n"
+                        "1. 输入激活码进行激活\n"
+                        "2. 联系客服获取激活码")
+                else:
+                    QMessageBox.warning(self, "失败", message)
             
             self.append_log(message)
             logging.info(f"更新完成: {message}")