diff --git a/plugins/mariadb/index.py b/plugins/mariadb/index.py
index 20b284d1b..55111291a 100755
--- a/plugins/mariadb/index.py
+++ b/plugins/mariadb/index.py
@@ -755,6 +755,11 @@ def importDbBackup():
     return mw.returnJson(True, 'ok')
 
 
+def rootPwd():
+    return pSqliteDb('config').where(
+        'id=?', (1,)).getField('mysql_root')
+
+
 def importDbExternal():
     args = getArgs()
     data = checkArgs(args, ['file', 'name'])
@@ -2740,6 +2745,8 @@ if __name__ == "__main__":
         print(setMyPort())
     elif func == 'init_pwd':
         print(initMysqlPwd())
+    elif func == 'root_pwd':
+        print(rootPwd())
     elif func == 'get_db_list':
         print(getDbList())
     elif func == 'set_db_backup':
diff --git a/scripts/init.d/mw.tpl b/scripts/init.d/mw.tpl
index a0386a1a1..473c06dc0 100755
--- a/scripts/init.d/mw.tpl
+++ b/scripts/init.d/mw.tpl
@@ -366,11 +366,15 @@ mw_connect_mysql(){
     INPUT_KEY=${SOURCE_LIST_KEY[$INPUT]}
     CHOICE_DB=${DB_TYPE[$INPUT_KEY]}
     echo "login to ${CHOICE_DB}:"
-    pwd=$(python3 /www/server/mdserver-web/plugins/${CHOICE_DB}/index.py root_pwd)
+    pwd=$(cd /www/server/mdserver-web && python3 /www/server/mdserver-web/plugins/${CHOICE_DB}/index.py root_pwd)
     if [ "$CHOICE_DB" == "mysql" ];then
         ${ROOT_PATH}/mysql/bin/mysql -uroot -p"${pwd}"
     fi
 
+    if [ "$CHOICE_DB" == "mariadb" ];then
+        ${ROOT_PATH}/mariadb/bin/mysql -uroot -p"${pwd}"
+    fi
+
 }
 
 case "$1" in