fixed the shortId index error eventually; see http://mongoosejs.com/docs/2.7.x/docs/indexes.html; see #24
fixed the shortId index error eventually; see
http://mongoosejs.com/docs/2.7.x/docs/indexes.html; see #24

idrop-link/idrop.link-backend,idrop-link/idrop.link-backend,andinfinity/idrop.link-backend,andinfinity/idrop.link-backend