diff --git a/install.sql b/install.sql
index e99ec748..422e4d8d 100644
--- a/install.sql
+++ b/install.sql
@@ -68,11 +68,13 @@ CREATE TABLE `v2_plan` (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 
+SET NAMES utf8mb4;
+
 DROP TABLE IF EXISTS `v2_server`;
 CREATE TABLE `v2_server` (
   `id` int(11) NOT NULL AUTO_INCREMENT,
   `group_id` varchar(255) NOT NULL,
-  `name` varchar(255) NOT NULL,
+  `name` varchar(255) CHARACTER SET utf8mb4 NOT NULL,
   `host` varchar(255) NOT NULL,
   `port` int(11) NOT NULL,
   `server_port` int(11) NOT NULL,
@@ -170,4 +172,4 @@ CREATE TABLE `v2_user` (
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 
--- 2019-12-23 08:30:39
\ No newline at end of file
+-- 2019-12-27 07:14:40
\ No newline at end of file
diff --git a/update.sql b/update.sql
index 7b20722f..89847b40 100644
--- a/update.sql
+++ b/update.sql
@@ -67,4 +67,7 @@ CHANGE `d` `d` varchar(255) COLLATE 'utf8_general_ci' NOT NULL AFTER `u`,
 CHANGE `rate` `rate` int(11) NOT NULL AFTER `d`;
 
 ALTER TABLE `v2_server`
-DROP `last_check_at`;
\ No newline at end of file
+DROP `last_check_at`;
+
+ALTER TABLE `v2_server`
+CHANGE `name` `name` varchar(255) COLLATE 'utf8mb4_general_ci' NOT NULL AFTER `group_id`;
\ No newline at end of file