如果已经找到 7.1的SDK，可用以下方法去掉狗：
1、use moZfet SentinelLM tools ，to brute forte the SDK SN for the speicel vendor ID, then install SDK to
make WlscGen.exe for special vendor ID ,
2、use moZfet SentinelLM tools to build an undongle WlscGen.exe for vendor ID 2A0A
3、Patch the undongle WlscGen.exe build by moZfet SentinelLM tools for vendor ID 2A0A form 0015c8d0-0015c8df with same place value of 71 SDK WlscGen.exe for special vendor ID
4 Copy the WlscGen.exe 、echoid.exe、echoid.dat、Lmlicgen.usr and lsapiw32.dll to a new empty dir such as d:\mygen
5 Run WlscGen.exe to create your lic
