优化

mec-biz/src/main/java/com/ym/mec/biz/service/impl/ImLiveBroadcastRoomServiceImpl.java

@@ -1857,6 +1857,10 @@ public class ImLiveBroadcastRoomServiceImpl extends ServiceImpl<ImLiveBroadcastR
         List<ImLiveBroadcastRoomMember> imLiveBroadcastRoomMembers = liveBroadcastRoomMemberDao.queryMember(userIds,
                                                                                                             callbackOnMemberStateChange.getGroupId());
 
+        if (CollectionUtils.isEmpty(imLiveBroadcastRoomMembers)) {
+            return;
+        }
+
         // 根据用户id分组
         Map<Integer, ImLiveBroadcastRoomMember> userMap = imLiveBroadcastRoomMembers.stream()
                                                                                     .collect(Collectors.toMap(ImLiveBroadcastRoomMember::getUserId,o ->o, (k1, k2) -> k1));
@@ -1930,6 +1934,10 @@ public class ImLiveBroadcastRoomServiceImpl extends ServiceImpl<ImLiveBroadcastR
         List<ImLiveBroadcastRoomMember> imLiveBroadcastRoomMembers = liveBroadcastRoomMemberDao.queryMember(userIds,
                                                                                     callbackAfterNewMemberJoin.getGroupId());
 
+        if (CollectionUtils.isEmpty(imLiveBroadcastRoomMembers)) {
+            return;
+        }
+
         // 根据用户id分组
         Map<Integer, ImLiveBroadcastRoomMember> userMap = imLiveBroadcastRoomMembers.stream()
                 .collect(Collectors.toMap(ImLiveBroadcastRoomMember::getUserId,o ->o, (k1, k2) -> k1));