更新

src/teacher/video-class/class-content.tsx

@@ -156,7 +156,7 @@ export default defineComponent({
           添加课程
         </Button>
 
-        <Sticky offsetBottom={0} position="bottom">
+        <Sticky offsetBottom={0} position="bottom" zIndex={999999}>
           <div class={['btnGroup', 'btnMore']}>
             <Button
               block

src/teacher/video-class/create.tsx

@@ -94,7 +94,7 @@ export default defineComponent({
     return (
       <div class={styles['video-create']}>
         {createState.active <= 2 ? (
-          <Sticky position="top" offsetTop={0}>
+          <Sticky position="top" offsetTop={0} zIndex={999999}>
             <Grid
               border={false}
               style={{ paddingTop: '15px' }}