[BugFix: ZSTACK-29634]  fix syntax error when check default sg
[BugFix: ZSTACK-29634]  fix syntax error when check default sg

zstackio/zstack-utility,zstackorg/zstack-utility,zstackio/zstack-utility,zstackorg/zstack-utility,zstackorg/zstack-utility,zstackio/zstack-utility