Let a gunsmith do it.
Without knowing WHICH 22 pistol, we can only surmise that you did not correctly reassemble the pistol.
See the link below for reassembly.
Recommend you seek the services of a gunsmith.
Request a manual from Ruger's website or take it to a gunsmith
Request a manual from Ruger's website or take it to a gunsmith
You really need the services of a good gunsmith
On line auctions.
If you don't have a manual, you will need a good gunsmith
Best left to a gunsmith. They were not the most "sturdy" pistols to begin with.
You can get manuals at the Smith and Wesson website.
See the attached Link: https://www.youtube.com/watch?v=H5qbEgnSZF0
You need the services of a gunsmith