I'm practice bridge How to improve it

I practice bridge in demo account almost a year my strategy is breakout ,Support ,Resistance by I looked for a complete bridge in tf D1 and wait for breakout and buy or sell at support- resistance when i saw thick bridge. i set R/R 1 :1 because i want to know how i’m accurate in bridge
from 70 orders win/loss = 34 : 36 . I want to improve my accurate .Do you have any suggestion ?
(sorry for my english)