Merge branch '2023-7-28_video' into online

src/views/coursewarePlay/index.tsx

@@ -711,11 +711,11 @@ export default defineComponent({
           >
             <div class={styles.wraps}>
               {data.itemList.map((m: any, mIndex: number) => {
-                const isRender = true // m.isRender || Math.abs(popupData.activeIndex - mIndex) < 2
-                const isEmtry = Math.abs(popupData.activeIndex - mIndex) > 4
-                if (isRender) {
-                  m.isRender = true
-                }
+                const isRender = Math.abs(popupData.activeIndex - mIndex) < 5
+                const isEmtry = Math.abs(popupData.activeIndex - mIndex) > 3
+                // if (isRender) {
+                //   m.isRender = true
+                // }
                 return isRender ? (
                   <div
                     key={'index' + mIndex}