diff --git a/src/features/workbench/components/workbench-top-bar-menus.tsx b/src/features/workbench/components/workbench-top-bar-menus.tsx
index 2957616..85b0b81 100644
--- a/src/features/workbench/components/workbench-top-bar-menus.tsx
+++ b/src/features/workbench/components/workbench-top-bar-menus.tsx
@@ -5,7 +5,6 @@ import {
   Bot,
   CheckCircle2,
   ChevronDown,
-  ChevronRight,
   Columns2,
   FileText,
   Keyboard,
@@ -56,6 +55,11 @@ const menuSurfaceClassName = cn(
 );
 const menuReadableRowClassName =
   "surface-well focus:bg-[var(--action-soft)] focus:text-slate-950";
+const alertActionClassName = cn(
+  MAP_COMPACT_RADIUS_CLASS_NAME,
+  "h-10 w-10 shrink-0 justify-center border border-transparent bg-transparent p-0 text-[var(--ink-muted)] transition-colors hover:border-[var(--action-blue)] hover:bg-[var(--action-blue)] hover:text-white focus:border-[var(--action-blue)] focus:bg-[var(--action-blue)] focus:text-white data-[highlighted]:border-[var(--action-blue)] data-[highlighted]:bg-[var(--action-blue)] data-[highlighted]:text-white active:scale-95"
+);
+
 export function AnalysisViewMenu({
   open,
   onOpenChange,
@@ -224,40 +228,42 @@ export function AlertMenu({
                   transition={{ duration: skipRemovalMotion ? 0 : 0.18, ease: [0.4, 0, 1, 1] }}
                   className={cn(
                     tone === "warning" ? "status-tone-warning" : "status-tone-danger",
-                    "relative my-1 min-h-[88px] border border-transparent py-3 pl-3 pr-[76px] transition-colors hover:border-[var(--status-border)] hover:bg-[var(--action-soft)] focus-within:border-[var(--status-border)] focus-within:bg-[var(--action-soft)]",
+                    "relative my-1 min-h-[76px] border border-transparent px-3 py-2 transition-colors hover:border-[var(--action-border-hover)] hover:bg-[var(--action-selection-soft)] focus-within:border-[var(--action-border-hover)] focus-within:bg-[var(--action-selection-soft)]",
                     MAP_COMPACT_RADIUS_CLASS_NAME,
                     menuReadableRowClassName
                   )}
                 >
-                  <span className="flex min-w-0 items-center gap-2 text-xs text-[var(--ink-muted)]">
-                    <StatusDot tone={tone} size="md" />
-                    <span className="font-mono tabular-nums">{alert.time}</span>
-                  </span>
-                  <p className="mt-2 break-words text-sm font-semibold leading-5 text-slate-950">{alert.title}</p>
-                  <p className="mt-1 break-words text-xs leading-5 text-[var(--ink-muted)]">{alert.description}</p>
-                  <div className="absolute bottom-1 right-1 top-1 flex w-16 flex-col items-center justify-between">
-                    {onRemoveAlert ? (
-                      <DropdownMenuItem
-                        aria-label={`移除通知：${alert.title}`}
-                        title="移除通知"
-                        className={cn("h-10 w-10 shrink-0 justify-center p-0 text-[var(--ink-muted)] active:scale-95", MAP_COMPACT_RADIUS_CLASS_NAME, menuReadableRowClassName)}
-                        onSelect={(event) => {
-                          event.preventDefault();
-                          onRemoveAlert(alert);
-                        }}
-                      >
-                        <X size={14} aria-hidden="true" />
-                      </DropdownMenuItem>
-                    ) : null}
-                    <DropdownMenuItem
+                  <DropdownMenuItem
+                    asChild
+                    className="absolute inset-0 z-0 h-full w-full cursor-pointer rounded-[inherit] border-0 bg-transparent p-0 hover:bg-transparent focus:bg-transparent focus-visible:ring-2 focus-visible:ring-inset focus-visible:ring-[var(--action-focus-ring)]"
+                    onSelect={() => onSelectAlert(alert)}
+                  >
+                    <button
+                      type="button"
                       aria-label={`打开通知：${alert.title}`}
-                      title="打开通知"
-                      className={cn("h-10 w-10 shrink-0 justify-center p-0 text-[var(--action-blue)] active:scale-95", MAP_COMPACT_RADIUS_CLASS_NAME, menuReadableRowClassName)}
-                      onSelect={() => onSelectAlert(alert)}
-                    >
-                      <ChevronRight size={14} aria-hidden="true" />
-                    </DropdownMenuItem>
+                    />
+                  </DropdownMenuItem>
+                  <div className="pointer-events-none relative">
+                    <span className="flex min-w-0 items-center gap-2 pr-10 text-xs text-[var(--ink-muted)]">
+                      <StatusDot tone={tone} size="md" />
+                      <span className="font-mono tabular-nums">{alert.time}</span>
+                    </span>
+                    <p className="mt-1 break-words pr-10 text-sm font-semibold leading-5 text-slate-950">{alert.title}</p>
+                    <p className="mt-0.5 break-words text-xs leading-5 text-[var(--ink-muted)]">{alert.description}</p>
                   </div>
+                  {onRemoveAlert ? (
+                    <DropdownMenuItem
+                      aria-label={`移除通知：${alert.title}`}
+                      title="移除通知"
+                      className={cn(alertActionClassName, "absolute right-1 top-1 z-10")}
+                      onSelect={(event) => {
+                        event.preventDefault();
+                        onRemoveAlert(alert);
+                      }}
+                    >
+                      <X size={14} aria-hidden="true" />
+                    </DropdownMenuItem>
+                  ) : null}
                 </motion.div>
               );
             }) : (
diff --git a/tests/browser/alert-removal.e2e.ts b/tests/browser/alert-removal.e2e.ts
index b28ac82..aa5c720 100644
--- a/tests/browser/alert-removal.e2e.ts
+++ b/tests/browser/alert-removal.e2e.ts
@@ -42,13 +42,30 @@ for (const { width, reducedMotion } of [{ width: 1280, reducedMotion: false }, {
     await expect(removeTask).toBeVisible();
     const openTask = page.getByRole("menuitem", { name: `打开通知：${notification.title}` });
     await expect(openTask).toHaveText("");
-    const actions = await openTask.evaluate((element) => {
-      const open = element.getBoundingClientRect();
-      const remove = element.previousElementSibling!.getBoundingClientRect();
-      return { centerDifference: Math.abs((open.left + open.width / 2) - (remove.left + remove.width / 2)), gap: open.top - remove.bottom };
+    const notificationRow = page.locator(`[data-alert-id="operational-task-notification:${notification.notification_id}"]`);
+    const titleBounds = await notificationRow.locator("p").first().boundingBox();
+    const rowBounds = await notificationRow.boundingBox();
+    expect(rowBounds!.height).toBeLessThanOrEqual(82);
+    const hit = await page.evaluate(({ x, y }) => document.elementFromPoint(x, y)?.closest("button")?.getAttribute("aria-label"),
+      { x: titleBounds!.x + titleBounds!.width / 2, y: titleBounds!.y + titleBounds!.height / 2 });
+    expect(hit).toBe(`打开通知：${notification.title}`);
+    await openTask.hover();
+    await expect(notificationRow).toHaveCSS("background-color", "rgb(218, 229, 253)");
+    await expect(notificationRow).toHaveCSS("border-color", "rgb(66, 99, 199)");
+    for (const action of [removeTask]) {
+      await action.hover();
+      await expect(action).toHaveCSS("background-color", "rgb(66, 99, 199)");
+      await expect(action).toHaveCSS("color", "rgb(255, 255, 255)");
+    }
+    await testInfo.attach(`alert-hover-${width}`, { body: await page.screenshot({ path: testInfo.outputPath("alert-hover.png"), style: "[data-sonner-toaster] { visibility: hidden !important; }" }), contentType: "image/png" });
+    await page.mouse.move(0, 0);
+    const removePosition = await removeTask.evaluate((element) => {
+      const remove = element.getBoundingClientRect();
+      const row = element.closest("[data-alert-id]")!.getBoundingClientRect();
+      return { top: remove.top - row.top, right: row.right - remove.right };
     });
-    expect(actions.centerDifference).toBeLessThan(1);
-    expect(actions.gap).toBeGreaterThanOrEqual(0);
+    expect(removePosition.top).toBeLessThanOrEqual(6);
+    expect(removePosition.right).toBeLessThanOrEqual(6);
     const box = await menu.boundingBox();
     expect(box!.x).toBeGreaterThanOrEqual(0);
     expect(box!.x + box!.width).toBeLessThanOrEqual(width);
diff --git a/tests/browser/scada-notifications.e2e.ts b/tests/browser/scada-notifications.e2e.ts
index fb713ee..1c8e6f5 100644
--- a/tests/browser/scada-notifications.e2e.ts
+++ b/tests/browser/scada-notifications.e2e.ts
@@ -93,7 +93,12 @@ for (const width of [1280, 375, 320]) {
     await expect(page.getByRole("region", { name: "工况任务", exact: true }).getByRole("heading", { name: task.title })).toBeVisible();
     await expect(popup).toBeVisible();
     await menu.click();
-    await page.getByRole("menuitem", { name: `打开通知：${alert.title}` }).click();
+    const alertRow = page.locator(`[data-alert-id="${alert.id}"]`);
+    const titleBox = await alertRow.locator("p").first().boundingBox();
+    const rowBox = await alertRow.boundingBox();
+    await alertRow.click({ position: { x: titleBox!.x - rowBox!.x + titleBox!.width / 2,
+      y: titleBox!.y - rowBox!.y + titleBox!.height / 2 } });
+    await expect(page.getByRole("menu")).toHaveCount(0);
     await expect(page.getByRole("region", { name: "工况任务", exact: true }).getByRole("heading", { name: task.title })).toBeVisible();
     await emit();
     await expect(popup).toBeVisible();