输入以下命令：

conda install -c anaconda numpy

显示：
(base) [root@jiaxuelaravel ~]# conda install -c anaconda numpy
Collecting package metadata (current_repodata.json): done
Solving environment: done

Package Plan

environment location: /root/anaconda3

added / updated specs:
- numpy

The following packages will be downloaded:

package                    |            build
---------------------------|-----------------
conda-4.11.0               |   py39h06a4308_0        14.4 MB
------------------------------------------------------------
                                       Total:        14.4 MB

The following packages will be UPDATED:

conda 4.10.3-py39h06a4308_0 --> 4.11.0-py39h06a4308_0

按y
自动升级