Fix and Add functions
Fix and Add functions

shinrs20/ndn-mobility,PhilipsIII/ndn-mobility,PhilipsIII/ndn-mobility,samqixin/ndn-mobility,PhilipsIII/ndn-mobility,shinrs20/ndn-mobility,shinrs20/ndn-mobility,samqixin/ndn-mobility,PhilipsIII/ndn-mobility,samqixin/ndn-mobility,PhilipsIII/ndn-mobility,samqixin/ndn-mobility,shinrs20/ndn-mobility,shinrs20/ndn-mobility