diff --git a/test-track/backend/src/main/resources/db/migration/2.8.0/ddl/V10__alter_custom_field_value_length.sql b/test-track/backend/src/main/resources/db/migration/2.8.0/ddl/V10__alter_custom_field_value_length.sql
new file mode 100644
index 0000000000..89672dad31
--- /dev/null
+++ b/test-track/backend/src/main/resources/db/migration/2.8.0/ddl/V10__alter_custom_field_value_length.sql
@@ -0,0 +1,7 @@
+SET SESSION innodb_lock_wait_timeout = 7200;
+
+-- 增加自定义字段值的长度
+ALTER TABLE custom_field_issues MODIFY COLUMN `value` varchar(1000) NULL;
+ALTER TABLE custom_field_test_case MODIFY COLUMN `value` varchar(1000) NULL;
+
+SET SESSION innodb_lock_wait_timeout = DEFAULT;