add pip reference

cnrpman · Apr 13, 2018 · fa49049 · fa49049
1 parent 26a0bba
commit fa49049
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/README.md b/README.md
@@ -16,3 +16,7 @@ pip install xxx -i https://pypi.douban.com/simple
 [global]
 index-url = https://pypi.tuna.tsinghua.edu.cn/simple
 ```
+
+### Reference
+* http://xujihui1985.github.io/pip/2014/02/18/install-pip-use-mirror
+* https://mirrors.tuna.tsinghua.edu.cn/help/pypi/