diff --git a/rpmbuild/SPECS/omc.spec b/rpmbuild/SPECS/omc.spec
index 150c1c9..2875911 100644
--- a/rpmbuild/SPECS/omc.spec
+++ b/rpmbuild/SPECS/omc.spec
@@ -76,8 +76,11 @@ CFileList="restconf.yaml crontask.yaml tasks.yaml sshsvc.yaml capconf.yaml"
 LogoFileList="zh_brand.png zh_icon.png en_brand.png en_icon.png"
 for CFile in ${CFileList}; do
     if [ ! -e "${OMCEtcDir}/${CFile}" ]; then
-        cp ${OMCEtcDir}/default/${CFile} ${OMCEtcDir};
-    fi                 
+        cp -f ${OMCEtcDir}/default/${CFile} ${OMCEtcDir}
+    else 
+        mv -f ${OMCEtcDir}/${CFile} ${OMCEtcDir}/${CFile}.bak
+        cp -f ${OMCEtcDir}/default/${CFile} ${OMCEtcDir}
+    fi                                
 done
 if [ ! -e "${RedisConfDir}/redis.conf" ]; then    
     cp ${RedisConfDir}/default/redis.conf ${RedisConfDir};