vasp+vtst做一个SrFeO3的氧迁移的CINEB过渡态搜索求助

wzcsdust

大佬们好，我现在在做一个SrFeO3的氧迁移的CINEB过渡态搜索（只有一种氧）， 2x2x2扩包，我分别O22跟O23作为初末态，进行结构优化，达到了收敛标准。
通过dist.pl检查返回值是2.69936914319742，我插入了5个点跑了20个小时nebef.pl的结果   
   0         0.041409      -262.517600         0.000000
   1         0.293590      -262.682600        -0.165000
   2         0.535805      -262.555700        -0.038100
   3         0.620835      -263.076200        -0.558600
   4         0.293127      -262.503300         0.014300
   5         0.549613      -262.874800        -0.357200
   6         0.041310      -262.517600         0.000000
用nebmovie.pl检查 ，也是没问题的
我的过渡态搜索INCAR文件：
Global Parameters
ISTART =  1            (Read existing wavefunction, if there)
ISPIN  =  2            (Non-Spin polarised DFT)
ICHARG = 2
LREAL  = .FALSE.       (Projection operators: automatic)
ENCUT  =  500        (Cut-off energy for plane wave basis set, in eV)
LWAVE  = .FALSE.        (Write WAVECAR or not)
LCHARG = .FALSE.        (Write CHGCAR or not)
ADDGRID= .TRUE.        (Increase grid, helps GGA convergence)
LREAL= AuTo
NPAR = 10
# LVTOT  = .TRUE.      (Write total electrostatic potential into LOCPOT or not)
# LVHAR  = .TRUE.      (Write ionic + Hartree electrostatic potential into LOCPOT or not)
# NELECT =             (No. of electrons: charged cells, be careful)
# LPLANE = .TRUE.      (Real space distribution, supercells)
# NWRITE = 2           (Medium-level output)
# KPAR   = 2           (Divides k-grid into separate groups)
# NGXF    = 300        (FFT grid mesh density for nice charge/potential plots)
# NGYF    = 300        (FFT grid mesh density for nice charge/potential plots)
# NGZF    = 300        (FFT grid mesh density for nice charge/potential plots)

Electronic Relaxation
ISMEAR =  0            (Gaussian smearing, metals:1)
SIGMA  =  0.05         (Smearing value in eV, metals:0.2)
NELM   =  90           (Max electronic SCF steps)
NELMIN =  5            (Min electronic SCF steps)
EDIFF  =  1E-6        (SCF energy convergence, in eV)
# GGA  =  PS           (PBEsol exchange-correlation)

Ionic Relaxation
NSW    =  3000          (Max ionic steps)
IBRION = 1
POTIM = 0.1
ISIF   =  2            (Stress/relaxation: 2-Ions, 3-Shape/Ions/V, 4-Shape/Ions)
EDIFFG = -0.05        (Ionic convergence, eV/AA)
# ISYM =  2            (Symmetry: 0=none, 2=GGA, 3=hybrids)

ICHAIN = 0
LCLIMB = .TRUE.
SPRING = -5
IMAGES = 5
求大佬们指点