diff --git a/sql/init-2-schema-tables.sql b/sql/init-2-schema-tables.sql
index db1157eb..04c28295 100644
--- a/sql/init-2-schema-tables.sql
+++ b/sql/init-2-schema-tables.sql
@@ -597,7 +597,7 @@ CREATE TABLE `preference`
 (
     `id`          bigint(0)                                                    NOT NULL AUTO_INCREMENT COMMENT 'id',
     `user_id`     bigint(0)                                                    NULL DEFAULT NULL COMMENT '用户id',
-    `type`        char(12) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci    NULL DEFAULT NULL COMMENT '偏好类型',
+    `type`        char(16) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci    NULL DEFAULT NULL COMMENT '偏好类型',
     `item`        varchar(32) CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL DEFAULT NULL COMMENT '配置项',
     `value`       json                                                         NULL COMMENT '配置值',
     `create_time` datetime(0)                                                  NULL DEFAULT CURRENT_TIMESTAMP COMMENT '创建时间',