代码如下，求大神看看有什么错误
. ?[2,4F; rest chushiyingli
v\c.xtjI5x ;;;;;位移和应力清0
-_ %n\# reset disp
D/9 & pRsO reset stress
&( b\jyf
c3`X19'%fM ].
IUQ*4t ;;;;;;第一步开挖
|mc !v*O delete material 1 2
c+_F nA solve
Y2yVl+ save 1st
g U y >I( [|<|a3']| ;;;;;;第二步开挖
@PU%BKe reset disp
"DjD"?/b delete material 16 17
y2T JDb1 solve
$0AN5 |`g\ save 2nd
PC7U&*x@ S3P;@ Rm ;;开挖第三级
*'QD!Tc reset disp
zK}$W73W^ delete material 3 4
@Ej{sC!0T struct cable 100.88 0.5 129.91 119.67 0.5 136.75 prop 8 seg 10 tens 4e8
|B;:Ald struct cable 125.33 0.5 131.74 106.54 0.5 124.90 prop 8 seg 10 tens 4e8
z./u;/: ;;;;;;;struct prop 1 area 181e-6 e 98.6e9 yield 5e6 kbond 1.12e8 sbond 1.75e5
<S 6|$7{1 struct prop 8 area 5e-4 e 100000 yield 0.55 kbond 15e4 sbond 1e6
g.s~Ph-G solve
(YGJw?] save 3rd
o D*h@yL (m-(5 CaJ ;开挖第四级
km}%7|R? reset disp
D5]T.8kX(7 delete material 18 19
0 KHA5dt solve
O6YYOmt3 save 4th
[9Q2/V;Uk% .?<,J ;;;;;;第五步开挖
&f|LjpMCf reset disp
<lB^>Hfu delete material 20 21
kZ[E493bV struct cable 143.97 0.5 118.93 125.18 0.5 112.09 prop 8 seg 10 tens 4e8
oZmni9*SD struct cable 148.57 0.5 115.08 129.77 0.5 108.23 prop 8 seg 10 tens 4e8
UKZsq5Q solve
ORA +> save 5th
{&4+W=0
n 2J|Wbey ;;;;;;第六步开挖
R% l=NHB} reset disp
_Sosw|A delete material 22 23
+'N?`l6< struct cable 155.33 0.5 110.97 136.53 0.5 104.13 prop 8 seg 10 tens 4e8
P,j)m\| struct cable 160.51 0.5 106.77 141.71 0.5 99.93 prop 8 seg 10 tens 4e8
L/F!Y%=;[ solve
rK g5?. save 6th
/V2Ih <Ktx *(D ;;;;;;第七步开挖
mG1=8{o^ reset disp
Hb#8 ?{ delete material 24 25
n* 9)Y~ solve
Mf<P ms\F save 7th
Z '/:
<FRYt-+ ;;;;;;第8步开挖
]Yp;8#:1 reset disp
bfQ+}|; delete material 27 30 33 5
<I&X[Sqp struct cable 180.63 0.5 94.72 165.6 0.5 89.24 prop 8 seg 10 tens 4e8
WDP$w ( M struct cable 184.72 0.5 90.77 169.68 0.5 85.3 prop 8 seg 10 tens 4e8
?Sh]m/WZd[ solve
mKvk6OC save 8th
=xw) [ -Z-|49I/mN ;;;;;;第9步开挖
a HXd1\6m reset disp
a^@6hC>sr delete material 26 32 31 7
tOn/r@Fd^E struct cable 191.40 0.5 86.78 178.24 0.5 82.00 prop 8 seg 10 tens 4e8
{}s7q| $ struct cable 195.73 0.5 83.02 182.57 0.5 78.23 prop 8 seg 10 tens 4e8
4B d[r7 solve
> IJH#>i save 9th
2VrF~+ 第三级开挖结果如下：
:,fs' ! 
