diff --git a/windows/runner/main.cpp b/windows/runner/main.cpp
index 020729f..f2fb8c8 100644
--- a/windows/runner/main.cpp
+++ b/windows/runner/main.cpp
@@ -7,6 +7,12 @@
 
 int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
                       _In_ wchar_t *command_line, _In_ int show_command) {
+  // 统一软件渲染：Flutter 的 GPU/ANGLE 渲染在多种真实环境下初始化失败导致
+  // 白屏窗口（RDP 远程会话、老显卡/驱动、虚拟显卡——实测远程与非远程机器
+  // 均有白屏，而进程与 HTTP 服务本身健康）。本应用界面为轻量状态页，软件
+  // 渲染性能足够；引擎开关必须在引擎创建前经 FLUTTER_ENGINE_SWITCHES 注入。
+  SetEnvironmentVariable(L"FLUTTER_ENGINE_SWITCHES", L"--enable-software-rendering");
+
   // Attach to console when present (e.g., 'flutter run') or create a
   // new console when running with a debugger.
   if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {