Fixed a bug in OmH read.
Fixed a bug in OmH read.

If a number of elements to skip and/or return was not given, a NullPointerException was being thrown.

HaiJiaoXinHeng/server-1,hongsudt/server,hongsudt/server,HaiJiaoXinHeng/server-1,hongsudt/server,HaiJiaoXinHeng/server-1