diff --git a/class/plugin/orm.py b/class/plugin/orm.py
index 64ffd1790..562d16906 100755
--- a/class/plugin/orm.py
+++ b/class/plugin/orm.py
@@ -26,11 +26,11 @@ class ORM:
 
             try:
                 self.__DB_CONN = pymysql.connect(host=self.__DB_HOST, user=self.__DB_USER, passwd=self.__DB_PASS,
-                                                 port=int(self.__DB_PORT), charset=self.__DB_CHARSET, connect_timeout=1, cursorclass=pymysql.cursors.DictCursor)
+                                                 port=int(self.__DB_PORT), charset=self.__DB_CHARSET, connect_timeout=1, unix_socket=self.__DB_SOCKET, cursorclass=pymysql.cursors.DictCursor)
             except Exception as e:
                 self.__DB_HOST = '127.0.0.1'
                 self.__DB_CONN = pymysql.connect(host=self.__DB_HOST, user=self.__DB_USER, passwd=self.__DB_PASS,
-                                                 port=int(self.__DB_PORT), charset=self.__DB_CHARSET, connect_timeout=1, cursorclass=pymysql.cursors.DictCursor)
+                                                 port=int(self.__DB_PORT), charset=self.__DB_CHARSET, connect_timeout=1, unix_socket=self.__DB_SOCKET, cursorclass=pymysql.cursors.DictCursor)
 
             self.__DB_CUR = self.__DB_CONN.cursor()
             return True
diff --git a/plugins/mysql/conf/my8.0.cnf b/plugins/mysql/conf/my8.0.cnf
index 448a8fe1d..21526ddca 100644
--- a/plugins/mysql/conf/my8.0.cnf
+++ b/plugins/mysql/conf/my8.0.cnf
@@ -51,7 +51,7 @@ slow-query-log-file={$SERVER_APP_PATH}/data/mysql-slow.log
 long_query_time=10
 log_queries_not_using_indexes=1
 log_slow_admin_statements=1
-log_slow_slave_statements=1
+log_slow_replica_statements=1
 binlog_expire_logs_seconds=2592000
 
 relay-log=mdserver
diff --git a/plugins/mysql/index.py b/plugins/mysql/index.py
index fb7023a7d..816b4be67 100755
--- a/plugins/mysql/index.py
+++ b/plugins/mysql/index.py
@@ -732,16 +732,6 @@ def isSqlError(mysqlMsg):
     return None
 
 
-def mapToList(map_obj):
-    # map to list
-    try:
-        if type(map_obj) != list and type(map_obj) != str:
-            map_obj = list(map_obj)
-        return map_obj
-    except:
-        return []
-
-
 def __createUser(dbname, username, password, address):
     pdb = pMysqlDb()