diff --git a/extension/mysql_to_doris/bin/e_mysql_to_doris.sh b/extension/mysql_to_doris/bin/e_mysql_to_doris.sh
index 0607bff932..823a32ea41 100644
--- a/extension/mysql_to_doris/bin/e_mysql_to_doris.sh
+++ b/extension/mysql_to_doris/bin/e_mysql_to_doris.sh
@@ -31,8 +31,8 @@ rm -f $path
 #get create table sql for mysql
 for table in $(cat ../conf/mysql_tables |grep -v '#' | awk -F '\n' '{print $1}')
         do
-        d_d=`echo $table` |awk -F '.' '{print $1}'
-        d_t=`echo $table` |awk -F '.' '{print $2}'
+        d_d=$(echo $table |awk -F '.' '{print $1}')
+        d_t=$(echo $table |awk -F '.' '{print $2}')
         echo "show create table \`$d_d\`.\`$d_t\`;" |mysql -h$mysql_host -uroot -p$mysql_password  >> $path
 done