#each collumn seperate with '\t'
#id	(0~65535)
#name string
#type one of ip,expr,expr_plus,digest,intval,compile or plugin
#src_charset one of GBK,BIG5,UNICODE,UTF8
#dst_charset combined by GBK,BIG5,UNICODE,UTF8,seperate with '/'
#do_merege yes or no
#id	name	type	src_charset	dst_charset	do_merge
0	COMPILE	compile	GBK	GBK	no	0
1	GROUP	group	GBK	GBK	no	0
2	HTTP_URL	expr	UTF8	GBK/BIG5/UNICODE/UTF8/url_encode_gb2312/url_encode_utf8	yes	128
3	KEYWORDS_TABLE	expr	UTF8	GBK/BIG5/UNICODE/UTF8/unicode_ascii_esc/unicode_ascii_aligned/unicode_ncr_dec/unicode_ncr_hex	yes	0
4	IP_CONFIG	ip	GBK	GBK	no	0
5	CONTENT_SIZE	intval	GBK	GBK	no	0
6	QD_ENTRY_INFO	plugin	GBK	GBK	no	0
7	FILE_DIGEST	digest	GBK	GBK	no	0
8	HTTP_REGION	expr_plus	GBK	GBK	no	0