The most precise measurement of the mixing-induced CP-violating phase $\phi_s$ and difference decay width $\Delta\Gamma_s$ in the $B^{0}_{s}-\bar{B^{0}_{s}}$ meson system has been performed by the LHCb with Run1 data that corresponds to an integrated luminocity of 3 fb$^{-1}$. To increase accuracy of the measurement and to expand studies of the systematic effects, the $B^{0}_{s}$ meson decays beyond the "golden" $B^{0}_{s}\to J/\psi\phi$ mode have been explored. The recent measurement of the phase $\phi_s$ is consistent with the SM prediction but the global combination of all measurements is still a far from the SM uncertainties. The Run2 data will allow the inclusion for more decay modes and improves uncertainty on the once already measurement.