How can I update my build?

My build - IceShot+Barrage.
Please do not talk about weak Jewels, I know about them.

https://pastebin.com/SP3Uhh6X

I have about 2.2 million DPS on the shaper, but with this build people up damage to 10+, and I don’t understand, how.

I have about 90-100ex for improvement, on hand.