Shadow Trickster Power Siphon 200k DPS need help!

Hi guys. Im pretty new in this game and i stuck a little bit so i need help. Im 90lvl now and my DPS is ~200k only. As i understand it is to low dps. I would like to get you advice what i doing wrong. Here is link to my build: https://poe.ninja/pob/6bf41
I will also wait for your observation and not only about DPS. Thank in advance

Hello I myself haven't played an Endgame Powersiphon Trickster yet, I'll probably do next league.
I played a little over LVL 60 HC then unfortunately he was dead.
I took a rough look at your build and a few things caught my eye.
1. Change the belt, because it converts your Power Charges and then the synergy with Power Siphon is lost.
2. You have 2 critical flasks and that doesn't work because only one flask of the same type can be active at a time.
3. And your weapon has spell crit change and that doesn't count towards power siphon. Only spell damage counts. These are just a few things where you can start right away. I hope it helps you a bit.