diff --git a/scripts/src/dev-cloud-workbench-smoke-lib.mjs b/scripts/src/dev-cloud-workbench-smoke-lib.mjs
index b8ddf1b4..7159f2a9 100644
--- a/scripts/src/dev-cloud-workbench-smoke-lib.mjs
+++ b/scripts/src/dev-cloud-workbench-smoke-lib.mjs
@@ -2136,6 +2136,7 @@ function hasSidebarCollapseContract({ html, app, styles }) {
     /event\.key === "End"/u.test(app) &&
     /ArrowLeft/u.test(app) &&
     /ArrowRight/u.test(app) &&
+    /setAttribute\("aria-hidden", resizeDisabled \? "true" : "false"\)/u.test(setCollapsedBody) &&
     /setAttribute\("aria-label", collapsed \? "展开左侧资源树" : "收起左侧资源树"\)/u.test(setCollapsedBody) &&
     /textContent = collapsed \? "展开资源树" : "收起资源树"/u.test(setCollapsedBody) &&
     /title = collapsed \? "展开左侧资源树，恢复导航和硬件资源" : "收起左侧资源树，给工作区更多宽度"/u.test(setCollapsedBody) &&
@@ -5227,6 +5228,7 @@ async function explorerResizeMetrics(page) {
       },
       handleTabIndex: handle?.tabIndex ?? null,
       handleAriaDisabled: handle?.getAttribute("aria-disabled") ?? "",
+      handleAriaHidden: handle?.getAttribute("aria-hidden") ?? "",
       handleAriaValueNow: Number(handle?.getAttribute("aria-valuenow")),
       handleAriaValueText: handle?.getAttribute("aria-valuetext") ?? "",
       storage,
@@ -5260,6 +5262,7 @@ async function inspectExplorerResizeMobile(page, { viewport }) {
       handleWidth: box?.width ?? 0,
       handleTabIndex: handle?.tabIndex ?? null,
       handleAriaDisabled: handle?.getAttribute("aria-disabled") ?? "",
+      handleAriaHidden: handle?.getAttribute("aria-hidden") ?? "",
       noHorizontalOverflow:
         document.documentElement.scrollWidth <= document.documentElement.clientWidth + 2 &&
         document.body.scrollWidth <= document.body.clientWidth + 2 &&
@@ -5274,6 +5277,7 @@ async function inspectExplorerResizeMobile(page, { viewport }) {
       observation.handleDisplay === "none" &&
       observation.handleTabIndex === -1 &&
       observation.handleAriaDisabled === "true" &&
+      observation.handleAriaHidden === "true" &&
       observation.noHorizontalOverflow,
     ...observation
   };
diff --git a/web/hwlab-cloud-web/app.mjs b/web/hwlab-cloud-web/app.mjs
index 09d471a0..8d8a8e67 100644
--- a/web/hwlab-cloud-web/app.mjs
+++ b/web/hwlab-cloud-web/app.mjs
@@ -368,6 +368,7 @@ function setExplorerCollapsed(collapsed) {
   const resizeDisabled = collapsed || window.matchMedia("(max-width: 860px)").matches;
   el.explorerResize.tabIndex = resizeDisabled ? -1 : 0;
   el.explorerResize.setAttribute("aria-disabled", resizeDisabled ? "true" : "false");
+  el.explorerResize.setAttribute("aria-hidden", resizeDisabled ? "true" : "false");
 }
 
 function syncMobileExplorer() {