"RuntimeError: Could not find DOLFIN pkg-config file. Please make sure appropriate paths are set."after conda-pack

Errors
1

I used conda-pack to copy my fenics virtual env from Ubuntu system to centos.I got this error when I import dolfin;

Traceback (most recent call last):
  File "test.py", line 1, in <module>
    from deepfluid.fenics.fenics_domains import *
  File "/public/home/jiangzhangze/fenics-DRL/deepfluid/__init__.py", line 4, in <module>
    from . import fenics
  File "/public/home/jiangzhangze/fenics-DRL/deepfluid/fenics/__init__.py", line 3, in <module>
    from .fenics_domains import *
  File "/public/home/jiangzhangze/fenics-DRL/deepfluid/fenics/fenics_domains.py", line 9, in <module>
    from dolfin import *
  File "/public/home/jiangzhangze/anaconda3/envs/fenics/lib/python3.7/site-packages/dolfin/__init__.py", line 140, in <module>
    from .fem.assembling import (assemble, assemble_system, assemble_multimesh,
  File "/public/home/jiangzhangze/anaconda3/envs/fenics/lib/python3.7/site-packages/dolfin/fem/assembling.py", line 34, in <module>
    from dolfin.fem.form import Form
  File "/public/home/jiangzhangze/anaconda3/envs/fenics/lib/python3.7/site-packages/dolfin/fem/form.py", line 12, in <module>
    from dolfin.jit.jit import dolfin_pc, ffc_jit
  File "/public/home/jiangzhangze/anaconda3/envs/fenics/lib/python3.7/site-packages/dolfin/jit/jit.py", line 18, in <module>
    raise RuntimeError("Could not find DOLFIN pkg-config file. Please make sure appropriate paths are set.")
RuntimeError: Could not find DOLFIN pkg-config file. Please make sure appropriate paths are set.

By the way, I don’t use jupyternotebook.And here are the output of print(os.environ['PATH']):

/public/home/jiangzhangze/anaconda3/envs/fenics/bin:/public/home/jiangzhangze/an                                                                                                                              aconda3/condabin:/public/home/jiangzhangze/anaconda3/bin:/public/software/starcc                                                                                                                              m1602/16.02.009-R8/STAR-View+16.02.009/bin:/public/software/starccm1602/16.02.00                                                                                                                              9-R8/STAR-CCM+16.02.009-R8/star/bin:/usr/lib64/qt-3.3/bin:/usr/local/bin:/usr/bi                                                                                                                              n:/usr/local/sbin:/usr/sbin:/opt/ibutils/bin:/public/home/jiangzhangze/.local/bi                                                                                                                              n:/public/home/jiangzhangze/bin

Any advices would be appreciated:)