diff --git a/openEuler_chroot.spec b/openEuler_chroot.spec
index 56cdf57876c72c1aab7819774531a23b595fabaf..4c830933071f2e61e4ed6e426ce3a42ed009e2df 100644
--- a/openEuler_chroot.spec
+++ b/openEuler_chroot.spec
@@ -1,4 +1,4 @@
-#needsrootforbuild
+# needsrootforbuild
 
 Name:           openEuler_chroot
 Summary:        Use for make iso in openEuler chroot
@@ -8,9 +8,8 @@ Version:        1.0
 Release:        0.6%{?dist}
 BuildRoot:      %{_tmppath}/%{name}-%{version}
 BuildArch:      noarch
-BuildRequires : dos2unix e2fsprogs filesystem info make tar vim perl libselinux-python coreutils
-Buildrequires: wget tar bzip2 sudo yum-plugin-fastestmirror iputils expect git dnf-utils yum
-
+BuildRequires:  dos2unix e2fsprogs filesystem info make tar vim perl libselinux-python coreutils
+Buildrequires:  wget tar bzip2 sudo yum-plugin-fastestmirror iputils expect git dnf-utils yum
 
 %description
 Use for make iso in euleros chroot
@@ -69,7 +68,7 @@ gpgcheck=0
 
 END1
 
-echo "10.175.102.91 euleros-obs-repo.huawei.com" >> /etc/hosts
+echo "119.3.219.20 euleros-obs-repo.huawei.com" >> /etc/hosts
 rpm_lst="pigz expect wget bash vim grep patch tar gzip bzip2 openssh-clients yum perl createrepo_c dnf-utils"
 
 myrepo=%{_repository}