My Logitech mouse right click seems not so sensitive. Since mouse is not expensive, thus I try to dismantle it and see the construction. Just remove one screw, slide to open the cover.
We can see that the internal part is very simple, left right click and scroll are using switches. I’ve tested the right click button, no problem at all. It is possible due to the contact of top cover and the switch.
To resolve the issue, I pasted a thick paper on top of the switch, so that the contact between the cover and switch is better. Finally, my mouse right click is back to normal.