新人求助啊 怎么5号点和2号点重叠了呀 明明设置过的

finish$/clear$/prep7
!①定义单元类型、实常数、材料属性、截面
ET,1,BEAM3
ET,2,LINK10
et,3,combin14
SECTYPE,1,BEAM,RECT,,0
SECOFFSET,CENT
SECDATA, 1.1, 1, 0,0,0,0,0,0,0,0
SECTYPE,2,BEAM,RECT,,0
SECOFFSET,CENT
SECDATA, 0.4, 1, 0,0,0,0,0,0,0,0
SECTYPE,3,BEAM,RECT, ,0
SECOFFSET,CENT
SECDATA, 1, 1, 0,0,0,0,0,0,0,0
SECTYPE,4, BEAM,RECT,,0
SECOFFSET,CENT
SECDATA, 0.8, 1, 0,0,0,0,0,0,0,0
SECTYPE,5,BEAM,RECT,,0
SECOFFSET,CENT
SECDATA, 0.23375, 1, 0,0,0,0,0,0,0,0
!定义各截面实常数
!定义梁单元的面积、惯性矩和梁高
R,1, 1*1.1, 1*1.1*1.1*1.1/12, 1.1, , , ,
R,2, 1*0.4, 1*0.6*0.6*0.6/12, 0.4, , , ,
R,3, 1*1.0, 1*0.8*0.8*0.8/12, 1.0, , , ,
R,4, 1*0.8, 1*0.8*0.8*0.8/12, 0.8, , , ,
R,5, 0.23375*1, 0.23375*1*1*1/12, 1, , , ,
!定义弹簧单元的弹性系数
R,6, 160*1*1*1e6,,,
R,7, 61.63*1*1*1e6,,,
!定义材料属性（MP,Lab,MAT,C0，C1，C2，C3，C4）
!衬砌材料属性,C40
mp,ex,1,30e9 !弹性模量
mp,prxy,1,0.2
mp,dens,1,2.5e3
mp,ex,2,32.5e9 !弹性模量
mp,prxy,2,0.2
mp,dens,2,2.5e3
!②建立几何模型
k,1, 0,0
k,2, 10.55,0
k,3, 21.1,0
k,4, 0,7.59
k,5, 10.55，7.59
k,6, 21.1,7.59
k,7, 0,13.59
k,8, 10.55,13.59
k,9, 21.1,13.59