diff --git a/packages/vant/src/count-down/CountDown.tsx b/packages/vant/src/count-down/CountDown.tsx
index 4e746a73f..7254d24fb 100644
--- a/packages/vant/src/count-down/CountDown.tsx
+++ b/packages/vant/src/count-down/CountDown.tsx
@@ -58,7 +58,7 @@ export default defineComponent({
     });
 
     return () => (
-      <div class={bem()}>
+      <div role="timer" class={bem()}>
         {slots.default ? slots.default(current.value) : timeText.value}
       </div>
     );
diff --git a/packages/vant/src/count-down/test/__snapshots__/index.spec.tsx.snap b/packages/vant/src/count-down/test/__snapshots__/index.spec.tsx.snap
index 6db98621a..1233e3fdd 100644
--- a/packages/vant/src/count-down/test/__snapshots__/index.spec.tsx.snap
+++ b/packages/vant/src/count-down/test/__snapshots__/index.spec.tsx.snap
@@ -1,31 +1,41 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`should format S milliseconds correctly 1`] = `
-<div class="van-count-down">
+<div role="timer"
+     class="van-count-down"
+>
   01-5
 </div>
 `;
 
 exports[`should format SS milliseconds correctly 1`] = `
-<div class="van-count-down">
+<div role="timer"
+     class="van-count-down"
+>
   01-50
 </div>
 `;
 
 exports[`should format complete time correctly 1`] = `
-<div class="van-count-down">
+<div role="timer"
+     class="van-count-down"
+>
   01-05-59-59-999
 </div>
 `;
 
 exports[`should format incomplete time correctly 1`] = `
-<div class="van-count-down">
+<div role="timer"
+     class="van-count-down"
+>
   29-59-59-999
 </div>
 `;
 
 exports[`should not start counting when auto-start prop is false 1`] = `
-<div class="van-count-down">
+<div role="timer"
+     class="van-count-down"
+>
   100
 </div>
 `;