diff --git a/Python/python3.sh b/Python/python3.sh
index 483ff0a..209fc20 100644
--- a/Python/python3.sh
+++ b/Python/python3.sh
@@ -11,13 +11,11 @@ else
 fi
 #安装相关依赖
 if [[ $os == "centos" ]];then
-  yum update -y
   rpm -qa|grep python3|xargs rpm -ev --allmatches --nodeps
   whereis python3 |xargs rm -frv
   yum install -y wget yum-utils make
   yum-builddep python3 -y
 else
-  apt update
   apt-get --purge remove python3 python3-pip -y
   apt install wget build-essential libreadline-dev libncursesw5-dev libssl-dev libsqlite3-dev tk-dev libgdbm-dev libc6-dev libbz2-dev libffi-dev zlib1g-dev -y
 fi