Put yourself in the hands of your instructor
If you question the wing, then please have your plane throughly analyzed by your instructor, if you are worried about the wing amke sure to share your fear.
Let him (or her) look it over and make recommendations for improving the integrity of the plane prior to flight.
It sounds to me like you have a bit of work to do before its maiden voyage but if you do them then your plane will still be flying after the first flight
Steve