Matlab求解函数返回0

Question

我想找到Cm和Cg的值，但我认为我调用函数是错误的，因为只有返回的值为0.任何建议？

syms Cm Cg

R = 10000;
Cs = 2.2*10^-12;
Vs = 20;
Vv = 0.204;
W = 2*pi*10000;

Equation = (Vs/Vv)*((i*W*Cm*(R/2))/(1+(i*W*Cm*(R/2)*(1+((Cg+Cs)/Cm))))) == 0;
[Cm, Cg] = solve(Equation)