experts help me here with htc one m7 running on 5.0.2

Tried rooting my htc one m7 running on android 5.0.2 with kingroot 4.5 and processed like 67% everytime and reboots and after reboot, it shows an error like "0 ppls have submitted research request" ..please help me here...i also tried framaroot,universal androot,towel root etc
Thebn i tried kingo root and lost all data and yet not got rooted...(i think bootloader got unlocked by which i lost my all datas)..it goes till i have something like cw recovery option on my phone screen which is in chinese...so i just gone for 1st option(dont know which 1 to be selected) and reboots..kingo root show "root suceeded" in pc but i checked with root checker and found it still aint rooted...i really dont have much idea on android modding n rooting....so please somebody help me root my phone..thanks