diff --git a/dist/install.sh b/dist/install.sh
index 784271ff464be8515f7c1dc6de7b94f5792a1794..dc22f29c1f5c7c6db09dd4e3a3f429be72d1b79e 100755
--- a/dist/install.sh
+++ b/dist/install.sh
@@ -76,6 +76,8 @@ EOF
 
 # config anolis migration repo
 migration_repo_config() {
+  rm -rf /etc/yum.repos.d/alinux-migration.repo /etc/yum.repos.d/anolis-migration.repo
+  yum clean all
   curl "$mirror_site/anolis/migration/anolis-migration.repo" -o /etc/yum.repos.d/anolis-migration.repo || {
     echo "failed to get migration repo"
     exit 1