fix

src/main/java/com/tailbet/service/impl/GroupServiceImpl.java

@@ -211,4 +211,13 @@ public class GroupServiceImpl implements IGroupService {
                 .eq(GroupMember::getUserId, userId));
         return member != null && (member.getRole() == ROLE_ADMIN || member.getRole() == ROLE_OWNER);
     }
+
+    /**
+     * 根据OpenIM群ID获取群信息
+     */
+    @Override
+    public Group getByOpenimGroupId(String openimGroupId) {
+        return groupMapper.selectOne(new LambdaQueryWrapper<Group>()
+                .eq(Group::getOpenimGroupId, openimGroupId));
+    }
 }