安装expresscache成功，刚刚装好后有数字，现在全是零了，求助

EC Cache Info
==================================================
Mounted : No
Partition Size : 0 Bytes
Reserved Size : 0 Bytes
Volume Size : 0 Bytes
Total Used Size : 0 Bytes
Total Free Space : 0 Bytes
Used Data Size : 0 Bytes
Used Data Size on Disk : 0 BytesCache Stats
==================================================
Cache Volume Drive Number : 1
Total Read Count : 0
Total Read Size : 0 Bytes
Total Cache Read Count : 0
Total Cache Read Size : 0 Bytes
Total Write Count : 0
Total Write Size : 0 Bytes
Total Cache Write Count : 0
Total Cache Write Size : 0 BytesCache Read Percent : 0.00%
Cache Write Percent : 0.00%HFS Volume is not mounted.