[Q]Gionee E7 mini brick problem

hi all , i try last night to put a custom rom but my phone is now brick , i receive this error on CWM , what can i do to repair this? (IMEI is gone also)
E: Can't mount /cache/recovery/command
E: Can't mount /cache/recovery/log
E: Can't open /cache/recovery/log
E: Can't mount /cache/recovery/last_log
E: Can't open /cache/recovery/last_log