LC-VCO can not shock

[kingwangdadi]

Hello everyone i try to simulate LC- -vco in HSPICE but it can not shock ，this is my netlists thanks
.TSMC 0.35 1PM4 3.3V VCO
****main circuit
Mn1 1 2 0 0 nch w=160u l=0.35u
Mn2 2 1 0 0 nch w=160u l=0.35u
Mp1 1 2 vdd vdd pch w=200u l=0.35u m=2
Mp2 2 1 vdd vdd pch w=200u l=0.35u m=2
Mn3 3 vdd 0 0 nch w=200u l=0.8u m=10
Mn4 vdd vdd 0 0 nch w=200u l=0.8u m=10
Mc1 Vc 1 Vc 0 nch w=200u l=0.35u m=6
Mc2 Vc 2 Vc 0 nch w=200u l=0.35u m=6
X1 1 2 lmodel
*inductance subcircuit
.subckt lmodel 1 2
Ls 2 5 2.05n
Rs 1 5 5.28
Cp1 1 6 85.2f
Cp2 2 7 84.2f
Rnb1 6 0 0.751
Rnb2 7 0 1.15
.ends lmodel
**************
.param aa=0.5
Vdd Vdd 0 3.3
Vc Vc 0 aa
L1 Vss 3 10n
C1 Vss 0 20p
L2 Vdd Vp 10n
C2 Vp 0 20p
C3 3 0 10p
*******control
.op
.lib'E:\sp\mm0355v.l'tt
i12 1 2 pulse (100u,0)
*I1 1 2 sin(0 5 0.5k 0 0 0)
*V1 1 2 dc 0 pulse 0 1 0 0.15 0.25 0.4 1
.tran 0.1n 1000n
.option post
.print tran v(1,2)
.end