处理空返回值

risk-control-core/src/main/java/com/tzld/piaoquan/risk/control/service/impl/WorkWechatServiceImpl.java

@@ -220,6 +220,12 @@ public class WorkWechatServiceImpl implements WorkWechatService {
     private Map<String, String> getRoomTipInfoMap() {
         WorkWechatRoomInfoExample example = new WorkWechatRoomInfoExample();
         List<WorkWechatRoomInfo> workWechatRoomInfos = workWechatRoomInfoMapper.selectByExample(example);
-        return workWechatRoomInfos.stream().collect(Collectors.toMap(WorkWechatRoomInfo::getRoomId, WorkWechatRoomInfo::getTipinfo, (o1, o2) -> o2));
+        return workWechatRoomInfos.stream()
+                .filter(room -> room.getRoomId() != null)
+                .collect(Collectors.toMap(
+                        WorkWechatRoomInfo::getRoomId,
+                        room -> Optional.ofNullable(room.getTipinfo()).orElse(""), // 使用 Optional 处理 null
+                        (o1, o2) -> o2
+                ));
     }
 }