截取一段如下：

忽略:128 http://security.ubuntu.com/ubuntu xenial-security/universe i386 Packages
忽略:129 http://security.ubuntu.com/ubuntu xenial-security/universe all Packages
忽略:130 http://security.ubuntu.com/ubuntu xenial-security/universe Translation-zh_CN
忽略:131 http://security.ubuntu.com/ubuntu xenial-security/universe Translation-zh
忽略:132 http://security.ubuntu.com/ubuntu xenial-security/universe Translation-en
忽略:133 http://security.ubuntu.com/ubuntu xenial-security/universe amd64 DEP-11 Metadata
忽略:134 http://security.ubuntu.com/ubuntu xenial-security/universe DEP-11 64x64 Icons
忽略:135 http://security.ubuntu.com/ubuntu xenial-security/multiverse amd64 Packages
忽略:136 http://security.ubuntu.com/ubuntu xenial-security/multiverse i386 Packages
忽略:137 http://security.ubuntu.com/ubuntu xenial-security/multiverse all Packages
忽略:138 http://security.ubuntu.com/ubuntu xenial-security/multiverse Translation-zh_CN
忽略:139 http://security.ubuntu.com/ubuntu xenial-security/multiverse Translation-zh