Trendline In Pinescript

I have a Trendline Which is Based On intraday Plotting But The trendline Levels Appear Only In First candle It Can Be Seen From 09 15 candle To next 09 15 candle only in replay mode the indicator is not working in live market if you worked with trendline and know about this code correction then quote for this project

i have attached the pinescript indicator code