• Improved startup feedback when the background service is slow or fails to start.
• Added clearer error details and recovery guidance for common background-service startup problems.
• Fixed background-service startup from desktop shortcuts and improved handling of unexpected disconnects.

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• 改进后台服务启动较慢或启动失败时的提示。
• 针对常见的后台服务启动问题，提供更清晰的错误详情和恢复建议。
• 修复通过桌面快捷方式启动后台服务的问题，并改进后台服务意外断开时的处理。