backend/src/main/java/com/rongyichuang/player/service/ActivityPlayerDetailService.java
@@ -205,6 +205,9 @@
                String avatarUrl = buildFullMediaUrl(avatar.getPath());
                userInfo.setAvatarUrl(avatarUrl);
                userInfo.setAvatar(convertToMediaResponse(avatar));
                // 同步赋值到 playerInfo,便于前端直接使用 playerInfo.avatarUrl
                playerInfo.setAvatarUrl(avatarUrl);
                playerInfo.setAvatar(convertToMediaResponse(avatar));
                log.info("找到用户头像: {}", avatarUrl);
            } else {
                log.info("调试:未找到用户头像,userId: {}, targetType: {}", userId, MediaTargetType.USER_AVATAR.getValue());