@zhouzhili1 The work-arounds @rg305 referred are for openssl 1.0.2 so do not apply for your 1.0.1. Maybe Rudy has found they do work in some odd cases - he has seen many more posts than I 
I found some other Ubuntu 14 LTS openssl 1.0.1 threads that might help:
Especially note "For 14.04 & 16.04 one does need ESM enabled to get access to these updates."