diff --git a/src/main/capabilities/desktop.ts b/src/main/capabilities/desktop.ts
index e6a7248..35bcfc0 100644
--- a/src/main/capabilities/desktop.ts
+++ b/src/main/capabilities/desktop.ts
@@ -147,6 +147,20 @@ const executeCommand: CapabilityHandler = async (_ctx, node, args) => {
   return powershell(command, Math.max(1000, number(args, ["timeoutMs"], 120000)));
 };
 
+register("System_ExecuteCommandV1", async (ctx, node, args) => {
+  const type = String(args.command_type ?? "1");
+  const dos = String(args.dos_command ?? "").trim();
+  const bat = String(args.bat_file ?? "").trim();
+  const ps = String(args.ps_command ?? "").trim();
+  let command = ps;
+  if (type === "2") command = dos;
+  else if (type === "3") command = bat ? ("& '" + bat.replace(/'/g, "''") + "'") : "";
+  if (!command) {
+    throw new RuntimeError("validation_error", "命令为空", { nodeId: node.id, componentId: node.componentId, recommendation: "填写 PowerShell/DOS 命令或 BAT 文件路径" });
+  }
+  return powershell(command, Math.max(1000, Number(args.timeoutMs) || 120000));
+});
+
 register(["Keyboard_Send_V1", "Keyboard_Send", "Keyboard_PressNew", "Keyboard_Press"], keyboardSend);
 register(["Mouse_Click", "Mouse_ClickNew"], mouseClick);
 register(["Mouse_MoveTo", "Mouse_Move"], mouseMove);