修改统计SQL

src/main/java/com/syzb/video/service/admin/AdminVideoInteractionService.java

@@ -343,7 +343,7 @@ public class AdminVideoInteractionService {
     public Integer queryWatchUserCount(Collection<Integer> videoIds) {
         QueryWrapper<VideoUserWatchCollect> wrapper = Wrappers.<VideoUserWatchCollect>query()
                 // 总观看时长使用字段live_seconds,总人数使用字段vod_seconds
-                .select("video_id, ifnull(count(0), 0) as vod_seconds")
+                .select("count(0) as vod_seconds")
                 .in("video_id", videoIds);
         VideoUserWatchCollect totalWatch = videoUserWatchCollectMapper.selectOne(wrapper);
         return totalWatch == null ? 0 : totalWatch.getVodSeconds();