diff --git a/debbuild/22.04/DEBIAN/postinst b/debbuild/22.04/DEBIAN/postinst
index 3d117b5..1110ead 100644
--- a/debbuild/22.04/DEBIAN/postinst
+++ b/debbuild/22.04/DEBIAN/postinst
@@ -69,6 +69,7 @@ if [ ! -e "${RedisRootDir}/bin/adb-server" ]; then
     # copy the orangin dump.rdb
     if [ -e "${RedisOldRootDir}/bin/conf/dump.rdb" ]; then
         cp -f ${RedisOldRootDir}/bin/conf/dump.rdb ${RedisConfDir};
+        mv -rf ${RedisRootDir}/db ${RedisRootDir}/adb.old
     fi    
 #    cp -f ${DependsRootDir}/systemd/adb.service ${SystemdRootDir}
 fi
diff --git a/debbuild/DEBIAN/postinst b/debbuild/DEBIAN/postinst
index ef95307..bc5b181 100644
--- a/debbuild/DEBIAN/postinst
+++ b/debbuild/DEBIAN/postinst
@@ -69,6 +69,7 @@ if [ ! -e "${RedisRootDir}/bin/adb-server" ]; then
     # copy the orangin dump.rdb
     if [ -e "${RedisOldRootDir}/bin/conf/dump.rdb" ]; then
         cp -f ${RedisOldRootDir}/bin/conf/dump.rdb ${RedisConfDir};
+        mv -rf ${RedisRootDir}/db ${RedisRootDir}/adb.old
     fi    
 #    cp -f ${DependsRootDir}/systemd/adb.service ${SystemdRootDir}
 fi