  The $\gamma$-ray emission properties of CTD 135, a typical compact symmetric
object (CSO), are investigated with $\sim$11-year Fermi/LAT observations. We
show that it has bright and significantly variable GeV emission, with the
$\gamma$-ray luminosity of $L_{\gamma}\sim10^{47}$ erg s$^{-1}$ and a variation
index of TS$_{\rm var}=1002$. A quasi-periodic oscillation (QPO) with a
periodicity of $\sim$460 days is detected in the global 95\% false-alarm level.
These $\gamma$-ray emission features are similar to that of blazars. Its
broadband spectral energy distribution (SED) can be attributed to the
radiations of the relativistic electrons accelerated in the core region and the
extended region. The SED modeling shows that the $\gamma$-rays are from the
core region, which has a Doppler boosting factor of $\delta\sim10.8$ and
relativistically moves with a small viewing angle, being similar to blazar
jets. On the base of the analysis results, we propose that the episodic
activity of the central engine in CTD 135 results in a blazar-like jet and the
bubble-like lobes as the Fermi bubbles in the Galaxy. The strong $\gamma$-ray
emission with obvious variability is from the jet radiations and the symmetric
radio structure is attributed to the bubbles. The jet radiation power and disk
luminosity in units of Eddington luminosity of CTD 135 follow the same relation
as other young radio galaxies, indicating that its jet radiation may be also
driven by the Eddington ratio.
