diff --git a/build.sh b/build.sh
index f0a2a58a253180ea74d3d0351838f4d815ea27f2..7fdcc84a4c3bb216e2cfa03bb03b651eb098456d 100755
--- a/build.sh
+++ b/build.sh
@@ -28,10 +28,41 @@ configure_yum_repos() {
     rm -rf /etc/yum.repos.d/*
 
     # Consistent with the base image, current: openeuler 22.03-LTS-SP4
-    echo -e "[${version_id}-SP4-NestOS]\nname=NestOS\nenabled=1\nmetadata_expire=1m\nbaseurl=https://repo.openeuler.org/openEuler-22.03-LTS-SP4/EPOL/multi_version/NestOS/For-Container/20240628/$arch/\ngpgcheck=0\npriority=2\nskip_if_unavailable=False\n" >> /etc/yum.repos.d/nestos-sp4.repo
-    echo -e "[${version_id}-SP4-everything]\nname=everything\nenabled=1\nmetadata_expire=1m\nbaseurl=https://repo.openeuler.org/openEuler-22.03-LTS-SP4/everything/$arch/\ngpgcheck=0\nskip_if_unavailable=False\n" >> /etc/yum.repos.d/nestos-sp4.repo
-    echo -e "[${version_id}-SP4-EPOL]\nname=EPOL\nenabled=1\nmetadata_expire=1m\nbaseurl=https://repo.openeuler.org/openEuler-22.03-LTS-SP4/EPOL/main/$arch/\ngpgcheck=0\nskip_if_unavailable=False\n" >> /etc/yum.repos.d/nestos-sp4.repo
-    echo -e "[${version_id}-SP4-extra]\nname=extra\nenabled=1\nmetadata_expire=1m\nbaseurl=https://nestos.org.cn/NestOS-22.03-LTS-SP4/For-Container/20240628/$arch/\ngpgcheck=0\npriority=1\nskip_if_unavailable=False\n" >> /etc/yum.repos.d/nestos-sp4.repo
+    cat <<EOF > /etc/yum.repos.d/nestos-sp4.repo
+[${version_id}-SP4-NestOS]
+name=NestOS
+enabled=1
+metadata_expire=1m
+baseurl=https://repo.openeuler.org/openEuler-22.03-LTS-SP4/EPOL/multi_version/NestOS/For-Container/20240628/$arch/
+gpgcheck=0
+priority=2
+skip_if_unavailable=False
+
+[${version_id}-SP4-everything]
+name=everything
+enabled=1
+metadata_expire=1m
+baseurl=https://repo.openeuler.org/openEuler-22.03-LTS-SP4/everything/$arch/
+gpgcheck=0
+skip_if_unavailable=False
+
+[${version_id}-SP4-EPOL]
+name=EPOL
+enabled=1
+metadata_expire=1m
+baseurl=https://repo.openeuler.org/openEuler-22.03-LTS-SP4/EPOL/main/$arch/
+gpgcheck=0
+skip_if_unavailable=False
+
+[${version_id}-SP4-extra]
+name=extra
+enabled=1
+metadata_expire=1m
+baseurl=https://nestos.org.cn/NestOS-22.03-LTS-SP4/For-Container/20240628/$arch/
+gpgcheck=0
+priority=1
+skip_if_unavailable=False
+EOF    
 }
 
 install_rpms() {