bug

src/main/java/com/huiju/estateagents/service/impl/TaBuildingDynamicServiceImpl.java

         // 默认未签到
         taActivityDynamicEnlist.setIsCheckin(0);
         taActivityDynamicEnlist.setCreateDate(LocalDateTime.now())
-                .setBuildingId(taBuildingDynamic.getDynamicId());
+                .setBuildingId(taBuildingDynamic.getBuildingId());
         int state = taActivityDynamicEnlistMapper.insert(taActivityDynamicEnlist);
         int joinNum = taBuildingDynamic.getEnlistNum() == null ? taActivityDynamicEnlist.getAttendNum():taBuildingDynamic.getEnlistNum()+taActivityDynamicEnlist.getAttendNum();
         taBuildingDynamic.setEnlistNum(joinNum);