diff --git a/apps/web/src/pages/editing-planner/components/StickerPanel/components/StickerPropsEditor.tsx b/apps/web/src/pages/editing-planner/components/StickerPanel/components/StickerPropsEditor.tsx
index 247745cdf..5632cbd88 100644
--- a/apps/web/src/pages/editing-planner/components/StickerPanel/components/StickerPropsEditor.tsx
+++ b/apps/web/src/pages/editing-planner/components/StickerPanel/components/StickerPropsEditor.tsx
@@ -107,7 +107,10 @@ export const StickerPropsEditor: React.FC<StickerPropsEditorProps> = ({
           max={totalDuration}
           step={0.1}
           value={sticker.start_time}
-          onChange={(e) => update({ start_time: Number(e.target.value) })}
+          onChange={(e) => {
+            const val = Number(e.target.value)
+            if (!isNaN(val) && val >= 0 && val <= totalDuration) update({ start_time: val })
+          }}
         />
         <span className="sticker-prop-label">时长</span>
         <input
@@ -117,7 +120,10 @@ export const StickerPropsEditor: React.FC<StickerPropsEditorProps> = ({
           max={totalDuration}
           step={0.1}
           value={sticker.duration}
-          onChange={(e) => update({ duration: Number(e.target.value) })}
+          onChange={(e) => {
+            const val = Number(e.target.value)
+            if (!isNaN(val) && val > 0 && val <= totalDuration) update({ duration: val })
+          }}
         />
       </div>