They did take slightly different approaches. It's not uncommon for China to support authoritarian regimes, and therefore they have done so, to a great extent, in this case. I think that Russia's position has to be a little more nuanced. They are on the border with the country, and it was part of their sphere of influence—in fact, part of the Soviet Empire—and their ties are more essential, closer—
On November 5th, 2020. See this statement in context.