Trading strategy based on the modified TDI indicator. I think the original TDI trading is not simple, the reaction is not sensitive. So I do not use the original TDI indicator, but the use of alternative solutions to simplify. I only apply three indicator lines instead of the original TDI: 1. RSI (13) as the relative strength index, the application price is close, the color is set to be colorless 2. SMA (7) as a trading signal line (TSL), applied to RSI, the color is red 3. SMA (2) as the RSI price line (RPL), also applied to RSI, the color is green