icem画好的网格导入fluent检查之后失败的问题怎么解决？ 20

Checking mesh........................

WARNING: Unassigned interface zone detected for interface 6

WARNING: Unassigned interface zone detected for interface 5

WARNING: Unassigned interface zone detected for interface 21

WARNING: Unassigned interface zone detected for interface 22.

Done.

WARNING: Mesh check failed.

求教大神这个问题怎么解决，，多谢了各位。