[jiacker]

And how can i fixed it, copy somebody‘s mmcblk0p2 to restore?

This is the first jailbreak kpw_jb_520-531.zip with 5.3.1 log before it bricked,is this affect the mmcblk0p2?

2013-01-24 15:30:00
This file contains the jailbreak log. You can safely delete this file.

23:29:11 PREPARING JAILBREAK
23:29:13 PREPARING JAILBREAK
23:29:13 Extracting files ...
23:29:14 OK
23:29:25 INSTALLING FILES
23:29:27 Mounting filesystem ...
23:29:30 OK
23:29:31 Installing updater certificate ...
23:29:33 OK
23:29:34 Installing Kindlet certificates ...
23:29:37 OK
23:29:38 Installing jailbreak bridge ...
23:29:41 OK
23:29:42 Installing rescue pack (main) ...
23:29:44 OK
23:29:45 Installing rescue pack (diags) ...
23:29:48 Backed up diags passwords to /etc/shadow.before_rescue_pack on diags partition
23:29:49 OK
23:29:51 CLEANING UP
23:29:53 Removing obsolete files ...
23:29:55 OK
23:29:56 JAILBREAK SUCCEEDED :-)