diff --git a/src/main/resources/db/schema-h2.sql b/src/main/resources/db/schema-h2.sql
index f01d367..f651e7a 100644
--- a/src/main/resources/db/schema-h2.sql
+++ b/src/main/resources/db/schema-h2.sql
@@ -4,8 +4,8 @@
 CREATE TABLE IF NOT EXISTS T_KAFKA_USER
 (
     ID              IDENTITY    NOT NULL COMMENT '主键ID',
-    USERNAME        VARCHAR(50) NOT NULL DEFAULT '' COMMENT '用户名',
-    PASSWORD        VARCHAR(50) NOT NULL DEFAULT '' COMMENT '密码',
+    USERNAME        VARCHAR(128) NOT NULL DEFAULT '' COMMENT '用户名',
+    PASSWORD        VARCHAR(128) NOT NULL DEFAULT '' COMMENT '密码',
     UPDATE_TIME     TIMESTAMP   NOT NULL DEFAULT NOW() COMMENT '更新时间',
     CLUSTER_INFO_ID BIGINT      NOT NULL COMMENT '集群信息里的集群ID',
     PRIMARY KEY (ID),
diff --git a/ui/src/views/acl/UpdateUser.vue b/ui/src/views/acl/UpdateUser.vue
index e687cae..4052cdf 100644
--- a/ui/src/views/acl/UpdateUser.vue
+++ b/ui/src/views/acl/UpdateUser.vue
@@ -17,7 +17,7 @@
           <a-input
             placeholder="username"
             :allowClear="true"
-            :maxLength="30"
+            :maxLength="100"
             v-decorator="[
               'username',
               {
@@ -30,7 +30,7 @@
           <a-input
             placeholder="password"
             :allowClear="true"
-            :maxLength="30"
+            :maxLength="100"
             v-decorator="[
               'password',
               {