处理头像为空

src/main/java/com/winhc/repal/service/impl/RepalGroupMemberServiceImpl.java

@@ -115,7 +115,7 @@ public class RepalGroupMemberServiceImpl extends ServiceImpl<RepalGroupMemberMap
         Map<Long, List<RepalGroupMember>> memberMap = memberList.stream().collect(Collectors.groupingBy(RepalGroupMember::getRoleId, Collectors.toList()));
         Map<Long, String> avatarMap = new HashMap<>();
         if (CollUtil.isNotEmpty(userInfoList)) {
-            avatarMap = userInfoList.stream().collect(Collectors.toMap(UserInfo::getUserId, UserInfo::getAvatar));
+            avatarMap = userInfoList.stream().collect(HashMap::new, (k, v) -> k.put(v.getUserId(), v.getAvatar()), HashMap::putAll);
         }
         List<GroupRoleMemberVO> resultList = new ArrayList<>();
         for (Map.Entry<Long, List<RepalGroupMember>> entry : memberMap.entrySet()) {