有没有人帮忙啊!要死人了!!

请大家看看这个结构对不对啊!
为什么总是不出结果啊!

**** INCLUDING SCHEMATIC1.net ****
* source BASIC FLYBACK
V_V1         N00233 0 100Vdc
X_D3         N03001 N00271 D1N5814
L_L1         N00320 N03001  10uH  
Kn_K2         L_L1 L_L2     -0.98
C_C1         N00320 N00271  1n  
L_L2         N00233 N00661  10uH  
V_V2         N00966 0  
+PULSE 0 5 1n 1n 1n 5u 10u
R_R1         N00320 N00271  5  
X_S1    N00966 0 N00661 0 SCHEMATIC1_S1

.subckt SCHEMATIC1_S1 1 2 3 4  
S_S1         3 4 1 2 _S1
RS_S1         1 2 1G
.MODEL         _S1 VSWITCH Roff=1e6 Ron=1.0 Voff=0.0V Von=1.0V
.ends SCHEMATIC1_S1

**** RESUMING 1.cir ****
.END

ERROR -- Node N00320 is floating
ERROR -- Node N03001 is floating
ERROR -- Node N00271 is floating

有没有前辈可以指导一下的啊!500) {this.resized=true; this.width=500; this.alt='这是一张缩略图，点击可放大。\n按住CTRL，滚动鼠标滚轮可自由缩放';this.style.cursor='hand'}" onclick="if(!this.resized) {return true;} else {window.open('http://u.dianyuan.com/bbs/u/46/1161241067.gif');}" onmousewheel="return imgzoom(this);">