手动导入wcp数据库sql时，报以下错误：

Failed to add the foreign key constraint on table 'farm_doc_auditlog'. Incorrect options in FOREIGN KEY constraint 'wcp/FK_Reference_93'

其中一种可能的原因是，主表和外表的字段字符编码不同，是因为mysql的默认配置字符编码问题，请参考以下配置文件

[client]
port		= 3399
socket		= MySQL
default-character-set = utf8
user=root
password=root

[mysqld]
max_connections=1000
port		= 3399
socket		= MySQL
skip-external-locking
key_buffer_size = 16M
max_allowed_packet = 1M
table_open_cache = 64
sort_buffer_size = 512K
net_buffer_length = 8K
read_buffer_size = 256K
read_rnd_buffer_size = 512K
myisam_sort_buffer_size = 8M
log-bin=mysql-bin
binlog_format=mixed
server-id	= 1
character_set_server = utf8

[mysqldump]
quick
max_allowed_packet = 16M

[mysql]
no-auto-rehash

[myisamchk]
key_buffer_size = 20M
sort_buffer_size = 20M
read_buffer = 2M
write_buffer = 2M

[mysqlhotcopy]
interactive-timeout