diff --git a/src/Notification.tsx b/src/Notification.tsx
index 2d47fe2..17b8cd3 100644
--- a/src/Notification.tsx
+++ b/src/Notification.tsx
@@ -118,7 +118,7 @@ const Notification = React.forwardRef<HTMLDivElement, NotificationProps>((props,
   // ======================== Duration ========================
   const [hovering, setHovering] = React.useState(false);
 
-  const [onResume, onPause] = useNoticeTimer(duration, onInternalClose, setPercent, !!showProgress);
+  const [onResume, onPause] = useNoticeTimer(duration, onInternalClose, setPercent);
 
   const validPercent = 100 - Math.min(Math.max(percent * 100, 0), 100);
   const Progress = components?.progress || DefaultProgress;
diff --git a/src/hooks/useNoticeTimer.ts b/src/hooks/useNoticeTimer.ts
index 6eeedb9..5cea2f6 100644
--- a/src/hooks/useNoticeTimer.ts
+++ b/src/hooks/useNoticeTimer.ts
@@ -10,7 +10,6 @@ export default function useNoticeTimer(
   duration: number | false | null,
   onClose: VoidFunction,
   onUpdate: (ptg: number) => void,
-  trackProgress = true,
 ) {
   const mergedDuration = typeof duration === 'number' ? duration : 0;
   const durationMs = Math.max(mergedDuration, 0) * 1000;
@@ -18,14 +17,18 @@ export default function useNoticeTimer(
   const onEventUpdate = useEvent(onUpdate);
 
   const [walking, setWalking] = React.useState(durationMs > 0);
-  const startTimestampRef = React.useRef<number | null>(null);
   const passTimeRef = React.useRef(0);
+  const lastRafTimeRef = React.useRef<number | null>(null);
 
   function syncPassTime() {
     const now = Date.now();
-    const passedTime = now - (startTimestampRef.current || now);
-    startTimestampRef.current = now;
-    passTimeRef.current += passedTime;
+    const lastRafTime = lastRafTimeRef.current;
+
+    if (lastRafTime !== null) {
+      passTimeRef.current += now - lastRafTime;
+    }
+
+    lastRafTimeRef.current = now;
   }
 
   const onPause = React.useCallback(() => {
@@ -35,62 +38,43 @@ export default function useNoticeTimer(
 
   const onResume = React.useCallback(() => {
     if (durationMs > 0) {
+      lastRafTimeRef.current = Date.now();
       setWalking(true);
     } else {
       onEventUpdate(0);
     }
-  }, [durationMs, onEventUpdate]);
+  }, [durationMs]);
 
+  // Reset when durationMs changed.
   React.useEffect(() => {
-    if (durationMs <= 0) {
-      startTimestampRef.current = null;
-      onEventUpdate(0);
-      return;
-    }
-
-    syncPassTime();
-    onEventUpdate(Math.min(passTimeRef.current / durationMs, 1));
+    passTimeRef.current = 0;
+    setWalking(durationMs > 0);
+  }, [durationMs]);
 
+  // Trigger update when walking changed.
+  React.useEffect(() => {
     if (!walking) {
-      startTimestampRef.current = null;
-      return;
-    }
-
-    if (passTimeRef.current >= durationMs) {
-      onEventUpdate(1);
-      onEventClose();
       return;
     }
 
-    const timeout = window.setTimeout(() => {
-      passTimeRef.current = durationMs;
-      onEventUpdate(1);
-      onEventClose();
-    }, durationMs - passTimeRef.current);
-
-    if (!trackProgress) {
-      return () => {
-        window.clearTimeout(timeout);
-      };
-    }
-
     let rafId: number | null = null;
 
     function step() {
       syncPassTime();
-      onEventUpdate(Math.min(passTimeRef.current / durationMs, 1));
 
-      if (passTimeRef.current < durationMs) {
+      if (passTimeRef.current >= durationMs) {
+        onEventUpdate(1);
+        onEventClose();
+      } else {
+        onEventUpdate(Math.min(passTimeRef.current / durationMs, 1));
         rafId = raf(step);
       }
     }
 
-    startTimestampRef.current = Date.now();
-    rafId = raf(step);
+    step();
 
     return () => {
-      window.clearTimeout(timeout);
-      raf.cancel(rafId);
+      raf.cancel(rafId!);
     };
   }, [durationMs, walking]);
 
diff --git a/tests/hooks.test.tsx b/tests/hooks.test.tsx
index 8313514..a0bb650 100644
--- a/tests/hooks.test.tsx
+++ b/tests/hooks.test.tsx
@@ -30,6 +30,15 @@ describe('Notification.Hooks', () => {
     return { ...renderResult, instance };
   }
 
+  function step(time: number, slice = 16) {
+    let current = 0;
+
+    while (current < time) {
+      vi.advanceTimersByTime(slice);
+      current += slice;
+    }
+  }
+
   it('works', async () => {
     const Context = React.createContext({ name: 'light' });
 
@@ -102,7 +111,7 @@ describe('Notification.Hooks', () => {
     expect(document.querySelector('.context-content').textContent).toEqual('light');
 
     act(() => {
-      vi.runAllTimers();
+      step(500);
     });
     expect(document.querySelector('.context-content').textContent).toEqual('bamboo');
 
diff --git a/tests/index.test.tsx b/tests/index.test.tsx
index d79deae..e45e5d5 100644
--- a/tests/index.test.tsx
+++ b/tests/index.test.tsx
@@ -32,6 +32,15 @@ describe('Notification.Basic', () => {
     return { ...renderResult, instance };
   }
 
+  function step(time: number, slice = 16) {
+    let current = 0;
+
+    while (current < time) {
+      vi.advanceTimersByTime(slice);
+      current += slice;
+    }
+  }
+
   it('works', () => {
     const { instance, unmount } = renderDemo();
 
@@ -285,26 +294,27 @@ describe('Notification.Basic', () => {
 
     // Wait for 500ms
     act(() => {
-      vi.advanceTimersByTime(500);
+      step(500);
     });
     expect(document.querySelector('.test')).toBeTruthy();
 
     // Mouse in should not remove
     fireEvent.mouseEnter(document.querySelector('.rc-notification-notice'));
     act(() => {
-      vi.advanceTimersByTime(1000);
+      // Elapsed time should not advance while hovering.
+      step(1000);
     });
     expect(document.querySelector('.test')).toBeTruthy();
 
     // Mouse out should not remove until 500ms later
     fireEvent.mouseLeave(document.querySelector('.rc-notification-notice'));
     act(() => {
-      vi.advanceTimersByTime(450);
+      step(450);
     });
     expect(document.querySelector('.test')).toBeTruthy();
 
     act(() => {
-      vi.advanceTimersByTime(100);
+      step(100);
     });
     expect(document.querySelector('.test')).toBeFalsy();
   });
@@ -351,27 +361,27 @@ describe('Notification.Basic', () => {
 
       // Wait for 500ms
       act(() => {
-        vi.advanceTimersByTime(500);
+        step(500);
       });
       expect(document.querySelector('.test')).toBeTruthy();
 
       // Mouse in should not remove
       fireEvent.mouseEnter(document.querySelector('.rc-notification-notice'));
       act(() => {
-        vi.advanceTimersByTime(200);
+        step(200);
       });
       expect(document.querySelector('.test')).toBeTruthy();
 
       // Mouse out should not remove until 500ms later
       fireEvent.mouseLeave(document.querySelector('.rc-notification-notice'));
       act(() => {
-        vi.advanceTimersByTime(200);
+        step(200);
       });
       expect(document.querySelector('.test')).toBeTruthy();
 
       //
       act(() => {
-        vi.advanceTimersByTime(100);
+        step(100);
       });
       expect(document.querySelector('.test')).toBeFalsy();
     });
@@ -1139,13 +1149,13 @@ describe('Notification.Basic', () => {
       expect(document.querySelector('.rc-notification-notice-progress')).toBeTruthy();
 
       act(() => {
-        vi.advanceTimersByTime(500);
+        step(500);
       });
 
       expect(document.querySelector('.rc-notification-notice-progress')).toBeTruthy();
 
       act(() => {
-        vi.advanceTimersByTime(500);
+        step(500);
       });
 
       expect(document.querySelector('.rc-notification-notice-progress')).toBeFalsy();
@@ -1210,7 +1220,7 @@ describe('Notification.Basic', () => {
       expect(document.querySelectorAll('.rc-notification-notice').length).toBe(2);
 
       act(() => {
-        vi.advanceTimersByTime(5000);
+        step(5000);
       });
 
       expect(document.querySelectorAll('.rc-notification-notice').length).toBe(1);