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In this paper, we report the first extended GeV $\gamma$-ray emission, at asignificant level of $\sim$ 8.13$\sigma$, from the region of the supernovaremnant (SNR) SNR G317.3-0.2 by analyzing $\sim$ 12.2 years of Fermi Large AreaTelescope (Fermi-LAT) Pass 8 data in the work. The best-fit position of the new$\gamma$-ray source matches that of the 843 MHz radio energy band of SNRG317.3-0.2, and there is no significant variability of the photon flux of thecorresponding light curve (LC) in the data for the 12.2 year period; therefore,by excluding other known $\gamma$-ray sources or candidates within a 2$\sigma$error radius from the best-fit position of SNR G317.3-0.2, we suggest that the$\gamma$-ray source is likely to be a GeV counterpart of SNR G317.3-0.2.

Fermi-LAT Detection of GeV Gamma-Ray Emission from The Highly Asymmetric Shell Supernova Remnant: SNR G317.3-0.2