I haven't done my first service for my bike?

I haven't done my first service for my bike. My bike is honda cb trigger.
but i have done my second service.
what problem should i have to face and how can i solve it.
i'm so afrid, now i'm low milage
please anybody help…

While there's generally a specific "First Service" that is performed, the most important part is changing out the oil to get the "bits" out of the oil that are produced during engine break-in.

So as Chris mentioned, your second service, was actually your first service. The only things on the first service that may or may not have been performed are an overall inspection. Checking the cluch handles, cables, break levers, fluids, brakes, etc. Just an overall inspection to see everything is still in working condition.

If you have no reason to believe the bike is not working correctly and you got the initial factory oil out of the bike? You are good to go until around 3,000 miles. If you want peace of mind, go ahead and take it back in for a full inspection, however it most likely is not necessary.

My first bike was already broken in when I bought it, but I still had it inspected to be certain. My second bike I got with 0 miles, and did the engine break in myself. Full range of RPM, gear, hard, soft, up to 250 miles then changed it out. Ran well, a so called "harder break in." My third, and current bike, I took it a little easier and maintained the "under 6k RPM" up to around 750 miles and then had the "First Service" performed.

Can read up on "break in" strategy as it is all over the internet. Everyone is on the same page though that once you perform the first oil change, you should be good to go until routine maintenance suggests you go back. (Main difference is how hard to run the engine until that first oil change, and when it should be performed. Everyone generally agrees with behavior after it.)

Its okay brother
no need to be paranoid
mileage will increase in your second servicing for sure
and make sure your rest of services are done from time to time

How many km has the bike gone?
if the engine oil has been changed then
everything is all right no need to worry

Your 'second service' was your 'first' and now it's time for your second.