Update deploy_aliyun.yml

Author: abnerlee

.github/workflows/deploy_aliyun.yml

@@ -39,7 +39,7 @@ jobs:
           git config --global user.email "[email protected]"
           git config --global user.name "Typora"
           git remote add a [email protected]:wiki
-          sed -i 's/rubygems.org/gems.ruby-china.com/g' Gemfile
+          sed -i 's/rubygems\.org/gems.ruby-china.org/g' Gemfile
           git commit -am "update Gemfile"
           git checkout -b master
         env: