问pip安装后加载Tensorflow时出错

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pip install tensorflow
Requirement already satisfied: tensorflow in c:\users\acsavag\appdata\roaming\python\python38\site-packages (2.3.0)Note: you may need to restart the kernel to use updated packages.
Requirement already satisfied: astunparse==1.6.3 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (1.6.3)
Requirement already satisfied: opt-einsum>=2.3.2 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (3.3.0)
Requirement already satisfied: termcolor>=1.1.0 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (1.1.0)
Requirement already satisfied: absl-py>=0.7.0 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (0.9.0)
Requirement already satisfied: six>=1.12.0 in c:\users\acsavag\anaconda3\envs\best\lib\site-packages (from tensorflow) (1.15.0)
Requirement already satisfied: wheel>=0.26 in c:\users\acsavag\anaconda3\envs\best\lib\site-packages (from tensorflow) (0.34.2)
Requirement already satisfied: tensorboard<3,>=2.3.0 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (2.3.0)
Requirement already satisfied: google-pasta>=0.1.8 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (0.2.0)
Requirement already satisfied: wrapt>=1.11.1 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (1.12.1)

Requirement already satisfied: grpcio>=1.8.6 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (1.30.0)
Requirement already satisfied: protobuf>=3.9.2 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (3.12.4)
Requirement already satisfied: tensorflow-estimator<2.4.0,>=2.3.0 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (2.3.0)
Requirement already satisfied: h5py<2.11.0,>=2.10.0 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (2.10.0)
Requirement already satisfied: scipy==1.4.1 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (1.4.1)
Requirement already satisfied: gast==0.3.3 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (0.3.3)
Requirement already satisfied: numpy<1.19.0,>=1.16.0 in c:\users\acsavag\anaconda3\envs\best\lib\site-packages (from tensorflow) (1.18.5)
Requirement already satisfied: keras-preprocessing<1.2,>=1.1.1 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorflow) (1.1.2)
Requirement already satisfied: requests<3,>=2.21.0 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorboard<3,>=2.3.0->tensorflow) (2.24.0)
Requirement already satisfied: google-auth-oauthlib<0.5,>=0.4.1 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorboard<3,>=2.3.0->tensorflow) (0.4.1)
Requirement already satisfied: tensorboard-plugin-wit>=1.6.0 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorboard<3,>=2.3.0->tensorflow) (1.7.0)
Requirement already satisfied: werkzeug>=0.11.15 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorboard<3,>=2.3.0->tensorflow) (1.0.1)
Requirement already satisfied: setuptools>=41.0.0 in c:\users\acsavag\anaconda3\envs\best\lib\site-packages (from tensorboard<3,>=2.3.0->tensorflow) (49.2.0.post20200714)
Requirement already satisfied: google-auth<2,>=1.6.3 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorboard<3,>=2.3.0->tensorflow) (1.20.0)
Requirement already satisfied: markdown>=2.6.8 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from tensorboard<3,>=2.3.0->tensorflow) (3.2.2)
Requirement already satisfied: certifi>=2017.4.17 in c:\users\acsavag\anaconda3\envs\best\lib\site-packages (from requests<3,>=2.21.0->tensorboard<3,>=2.3.0->tensorflow) (2020.6.20)
Requirement already satisfied: urllib3!=1.25.0,!=1.25.1,<1.26,>=1.21.1 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from requests<3,>=2.21.0->tensorboard<3,>=2.3.0->tensorflow) (1.25.10)
Requirement already satisfied: idna<3,>=2.5 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from requests<3,>=2.21.0->tensorboard<3,>=2.3.0->tensorflow) (2.10)
Requirement already satisfied: chardet<4,>=3.0.2 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from requests<3,>=2.21.0->tensorboard<3,>=2.3.0->tensorflow) (3.0.4)
Requirement already satisfied: requests-oauthlib>=0.7.0 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from google-auth-oauthlib<0.5,>=0.4.1->tensorboard<3,>=2.3.0->tensorflow) (1.3.0)
Requirement already satisfied: cachetools<5.0,>=2.0.0 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from google-auth<2,>=1.6.3->tensorboard<3,>=2.3.0->tensorflow) (4.1.1)
Requirement already satisfied: pyasn1-modules>=0.2.1 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from google-auth<2,>=1.6.3->tensorboard<3,>=2.3.0->tensorflow) (0.2.8)
Requirement already satisfied: rsa<5,>=3.1.4; python_version >= "3.5" in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from google-auth<2,>=1.6.3->tensorboard<3,>=2.3.0->tensorflow) (4.6)
Requirement already satisfied: oauthlib>=3.0.0 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from requests-oauthlib>=0.7.0->google-auth-oauthlib<0.5,>=0.4.1->tensorboard<3,>=2.3.0->tensorflow) (3.1.0)
Requirement already satisfied: pyasn1<0.5.0,>=0.4.6 in c:\users\acsavag\appdata\roaming\python\python38\site-packages (from pyasn1-modules>=0.2.1->google-auth<2,>=1.6.3->tensorboard<3,>=2.3.0->tensorflow) (0.4.8)

pip list
Package                Version
---------------------- -------------------
absl-py                0.9.0
astunparse             1.6.3
backcall               0.2.0
cachetools             4.1.1
certifi                2020.6.20
chardet                3.0.4
colorama               0.4.3
decorator              4.4.2
gast                   0.3.3
google-auth            1.20.0
google-auth-oauthlib   0.4.1
google-pasta           0.2.0
grpcio                 1.30.0
h5py                   2.10.0
idna                   2.10
ipykernel              5.3.3
ipython                7.16.1
ipython-genutils       0.2.0
jedi                   0.17.1
jupyter-client         6.1.6
jupyter-core           4.6.3
Keras-Preprocessing    1.1.2
Note: you may need to restart the kernel to use updated packages.Markdown               3.2.2
numpy                  1.18.5
oauthlib               3.1.0
opt-einsum             3.3.0
pandas                 1.1.0
parso                  0.7.0
pickleshare            0.7.5
pip                    20.1.1
prompt-toolkit         3.0.5
protobuf               3.12.4
pyasn1                 0.4.8
pyasn1-modules         0.2.8

Pygments               2.6.1
python-dateutil        2.8.1
pytz                   2020.1
pywin32                227
pywrap                 0.1.0
pyzmq                  19.0.1
requests               2.24.0
requests-oauthlib      1.3.0
rsa                    4.6
scipy                  1.4.1
setuptools             49.2.0.post20200714
six                    1.15.0
tensorboard            2.3.0
tensorboard-plugin-wit 1.7.0
tensorflow             2.3.0
tensorflow-estimator   2.3.0
termcolor              1.1.0
tornado                6.0.4
traitlets              4.3.3
urllib3                1.25.10
wcwidth                0.2.5
Werkzeug               1.0.1
wheel                  0.34.2
wincertstore           0.2
wrapt                  1.12.1

import tensorflow

---------------------------------------------------------------------------
ImportError                               Traceback (most recent call last)
~\AppData\Roaming\Python\Python38\site-packages\tensorflow\python\pywrap_tensorflow.py in 
     63   try:
---> 64     from tensorflow.python._pywrap_tensorflow_internal import *
     65   # This try catch logic is because there is no bazel equivalent for py_extension.

ImportError: DLL load failed while importing _pywrap_tensorflow_internal: The specified module could not be found.

During handling of the above exception, another exception occurred:

ImportError                               Traceback (most recent call last)
Untitled-1 in 
----> 1 import tensorflow

~\AppData\Roaming\Python\Python38\site-packages\tensorflow\__init__.py in 
     39 import sys as _sys
     40 
---> 41 from tensorflow.python.tools import module_util as _module_util
     42 from tensorflow.python.util.lazy_loader import LazyLoader as _LazyLoader
     43 

~\AppData\Roaming\Python\Python38\site-packages\tensorflow\python\__init__.py in 
     38 # pylint: disable=wildcard-import,g-bad-import-order,g-import-not-at-top
     39 
---> 40 from tensorflow.python.eager import context
     41 
     42 # pylint: enable=wildcard-import

~\AppData\Roaming\Python\Python38\site-packages\tensorflow\python\eager\context.py in 
     33 from tensorflow.core.protobuf import config_pb2
     34 from tensorflow.core.protobuf import rewriter_config_pb2
---> 35 from tensorflow.python import pywrap_tfe
     36 from tensorflow.python import tf2
     37 from tensorflow.python.client import pywrap_tf_session

~\AppData\Roaming\Python\Python38\site-packages\tensorflow\python\pywrap_tfe.py in 
     26 
     27 # pylint: disable=invalid-import-order,g-bad-import-order, wildcard-import, unused-import
---> 28 from tensorflow.python import pywrap_tensorflow
     29 from tensorflow.python._pywrap_tfe import *

~\AppData\Roaming\Python\Python38\site-packages\tensorflow\python\pywrap_tensorflow.py in 
     81 for some common reasons and solutions.  Include the entire stack trace
     82 above this error message when asking for help.""" % traceback.format_exc()
---> 83   raise ImportError(msg)
     84 
     85 # pylint: enable=wildcard-import,g-import-not-at-top,unused-import,line-too-long

ImportError: Traceback (most recent call last):
  File "C:\Users\acsavag\AppData\Roaming\Python\Python38\site-packages\tensorflow\python\pywrap_tensorflow.py", line 64, in 
    from tensorflow.python._pywrap_tensorflow_internal import *
ImportError: DLL load failed while importing _pywrap_tensorflow_internal: The specified module could not be found.


Failed to load the native TensorFlow runtime.

See https://www.tensorflow.org/install/errors

for some common reasons and solutions.  Include the entire stack trace
above this error message when asking for help.