diff --git a/packages/rpa-core/src/capabilities/desktop-uia.test.ts b/packages/rpa-core/src/capabilities/desktop-uia.test.ts
index a605328..341901f 100644
--- a/packages/rpa-core/src/capabilities/desktop-uia.test.ts
+++ b/packages/rpa-core/src/capabilities/desktop-uia.test.ts
@@ -120,6 +120,24 @@ describe("desktop UIA selector compatibility", () => {
     expect(script).toContain("Find-RpaWindow");
   });
 
+  it("元素定位到但 clicked=false 时必须抛错，不允许静默成功(用户 NVIDIA 覆盖层踩坑场景)", async () => {
+    powershellMock.mockImplementation(async () => '{"clicked":false,"method":"invoke_pattern","name":"","x":0,"y":0,"w":1919,"h":1080}');
+    let error: any = null;
+    try {
+      await getHandler("Element_ClickGround")!(
+        context,
+        node,
+        { selector: "window=NVIDIA GeForce Overlay DT;type=Document;id=RootWebArea" },
+        {} as any
+      );
+    } catch (e) {
+      error = e;
+    }
+    expect(error?.code).toBe("desktop_error");
+    // recommendation 必须给出可执行建议
+    expect(String(error?.recommendation ?? "")).toContain("桌面拾取");
+  });
+
   it("dispatches screen setValue to coordinate paste", async () => {
     await getHandler("Element_SetValueGround")!(context, node, {
       selector: "screen=10,20,30,40",
diff --git a/packages/rpa-core/src/capabilities/desktop-uia.ts b/packages/rpa-core/src/capabilities/desktop-uia.ts
index d476cc6..201ec5c 100644
--- a/packages/rpa-core/src/capabilities/desktop-uia.ts
+++ b/packages/rpa-core/src/capabilities/desktop-uia.ts
@@ -690,8 +690,25 @@ function requireFound(result: Record<string, unknown> | null, t: UiaTarget, acti
 
 const clickGround: CapabilityHandler = async (_ctx, node, args) => {
   const t = target(args, node);
-  if (t.selector.screen) return runScript(clickScreenScript(t), t);
-  return runWithImplicitWait(t, "click", clickScript(t), runScript, args);
+  const result = t.selector.screen
+    ? await runScript(clickScreenScript(t), t)
+    : await runWithImplicitWait(t, "click", clickScript(t), runScript, args);
+  // 元素定位到了但实际没点成（如拾取到全屏透明覆盖层：IsOffscreen=true 且无 Invoke/Toggle/Expand/Select 模式）。
+  // 这种"假成功"会掩盖问题，必须按错误契约抛出，让运行记录如实标红。
+  if (result && result.clicked === false) {
+    const s = t.selector;
+    throw new RuntimeError(
+      "desktop_error",
+      `元素点击未生效：已定位到目标（window=${s.window ?? ""}, name=${s.name ?? ""}, type=${s.type ?? ""}），但该元素不可见点击且不支持任何可调用模式`,
+      {
+        recommendation: "重新用「桌面拾取」选择真实可见的目标控件；若拾取结果落在全屏透明覆盖层上（如 NVIDIA 游戏内覆盖层、录屏悬浮条），先关闭覆盖层再拾取",
+        nodeId: node.id,
+        componentId: node.componentId,
+        detail: JSON.stringify(result)
+      }
+    );
+  }
+  return result;
 };
 
 const setValueGround: CapabilityHandler = async (_ctx, node, args) => {