fix exported type getting in unity 2017.2 or newer
fix exported type getting in unity 2017.2 or newer

pangweiwei/slua,pangweiwei/slua,Roland0511/slua,Roland0511/slua,Roland0511/slua,pangweiwei/slua,soulgame/slua,Roland0511/slua,soulgame/slua,pangweiwei/slua,Roland0511/slua,soulgame/slua,Roland0511/slua,soulgame/slua,pangweiwei/slua,soulgame/slua,soulgame/slua