在没有管理员身份，且有防火墙限制的电脑上，pip安装​python库包失败。​但是在普通的电脑上安装正常。​​报错内容如下：

(SSS_web) C:\Users\HXAIYVQ>pip install flask -i https://mirrors.aliyun.com/pypi/simple/
Looking in indexes: https://mirrors.aliyun.com/pypi/simple/
​
​
WARNING: Retrying (Retry(total=3, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1135)'))': /pypi/simple/flask/
WARNING: Retrying (Retry(total=2, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1135)'))': /pypi/simple/flask/
WARNING: Retrying (Retry(total=1, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1135)'))': /pypi/simple/flask/
WARNING: Retrying (Retry(total=0, connect=None, read=None, redirect=None, status=None)) after connection broken by 'SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1135)'))': /pypi/simple/flask/
Could not fetch URL https://mirrors.aliyun.com/pypi/simple/flask/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='mirrors.aliyun.com', port=443): Max retries exceeded with url: /pypi/simple/flask/ (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1135)'))) - skipping
ERROR: Could not find a version that satisfies the requirement flask (from versions: none)
ERROR: No matching distribution found for flask
Could not fetch URL https://mirrors.aliyun.com/pypi/simple/pip/: There was a problem confirming the ssl certificate: HTTPSConnectionPool(host='mirrors.aliyun.com', port=443): Max retries exceeded with url: /pypi/simple/pip/ (Caused by SSLError(SSLCertVerificationError(1, '[SSL: CERTIFICATE_VERIFY_FAILED] certificate verify failed: unable to get local issuer certificate (_ssl.c:1135)'))) - skipping

​解决方案：本地电脑上信任宿主主机trusted-host。

python -m pip install flask -i https://pypi.tuna.tsinghua.edu.cn/simple/ --trusted-host pypi.tuna.tsinghua.edu.cn
pip install aiohttp -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com

(SSS_web) C:\Users\HXAIYVQ>pip install flask -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host mirrors.aliyun.com
Looking in indexes: http://mirrors.aliyun.com/pypi/simple/
Collecting flask
  Downloading http://mirrors.aliyun.com/pypi/packages/61/80/ffe1da13ad9300f87c93af113edd0638c75138c42a0994becfacac078c06/flask-3.0.3-py3-none-any.whl (101 kB)
     --------------------------------- 101.7/101.7 kB 732.0 kB/s eta 0:00:00
Collecting Werkzeug>=3.0.0 (from flask)
  Downloading http://mirrors.aliyun.com/pypi/packages/9d/6e/e792999e816d19d7fcbfa94c730936750036d65656a76a5a688b57a656c4/werkzeug-3.0.3-py3-none-any.whl (227 kB)
     ----------------------------------- 227.3/227.3 kB 1.3 MB/s eta 0:00:00
Collecting Jinja2>=3.1.2 (from flask)
  Downloading http://mirrors.aliyun.com/pypi/packages/31/80/3a54838c3fb461f6fec263ebf3a3a41771bd05190238de3486aae8540c36/jinja2-3.1.4-py3-none-any.whl (133 kB)
     ----------------------------------- 133.3/133.3 kB 1.1 MB/s eta 0:00:00
Collecting itsdangerous>=2.1.2 (from flask)
  Downloading http://mirrors.aliyun.com/pypi/packages/04/96/92447566d16df59b2a776c0fb82dbc4d9e07cd95062562af01e408583fc4/itsdangerous-2.2.0-py3-none-any.whl (16 kB)
Collecting click>=8.1.3 (from flask)
  Downloading http://mirrors.aliyun.com/pypi/packages/00/2e/d53fa4befbf2cfa713304affc7ca780ce4fc1fd8710527771b58311a3229/click-8.1.7-py3-none-any.whl (97 kB)
     ----------------------------------- 97.9/97.9 kB 804.6 kB/s eta 0:00:00
Collecting blinker>=1.6.2 (from flask)
  Downloading http://mirrors.aliyun.com/pypi/packages/bb/2a/10164ed1f31196a2f7f3799368a821765c62851ead0e630ab52b8e14b4d0/blinker-1.8.2-py3-none-any.whl (9.5 kB)
Collecting importlib-metadata>=3.6.0 (from flask)
  Downloading http://mirrors.aliyun.com/pypi/packages/82/47/bb25ec04985d0693da478797c3d8c1092b140f3a53ccb984fbbd38affa5b/importlib_metadata-8.2.0-py3-none-any.whl (25 kB)
Collecting colorama (from click>=8.1.3->flask)
  Downloading http://mirrors.aliyun.com/pypi/packages/d1/d6/3965ed04c63042e047cb6a3e6ed1a63a35087b6a609aa3a15ed8ac56c221/colorama-0.4.6-py2.py3-none-any.whl (25 kB)
Collecting zipp>=0.5 (from importlib-metadata>=3.6.0->flask)
  Downloading http://mirrors.aliyun.com/pypi/packages/20/38/f5c473fe9b90c8debdd29ea68d5add0289f1936d6f923b6b9cc0b931194c/zipp-3.19.2-py3-none-any.whl (9.0 kB)
Collecting MarkupSafe>=2.0 (from Jinja2>=3.1.2->flask)
  Downloading http://mirrors.aliyun.com/pypi/packages/92/21/357205f03514a49b293e214ac39de01fadd0970a6e05e4bf1ddd0ffd0881/MarkupSafe-2.1.5-cp38-cp38-win_amd64.whl (17 kB)
Installing collected packages: zipp, MarkupSafe, itsdangerous, colorama, blinker, Werkzeug, Jinja2, importlib-metadata, click, flask
Successfully installed Jinja2-3.1.4 MarkupSafe-2.1.5 Werkzeug-3.0.3 blinker-1.8.2 click-8.1.7 colorama-0.4.6 flask-3.0.3 importlib-metadata-8.2.0 itsdangerous-2.2.0 zipp-3.19.2
​
(SSS_web) C:\Users\HXAIYVQ>