diff --git a/src/main/resources/db/migration/V5__add_customer_type.sql b/src/main/resources/db/migration/V5__add_customer_type.sql
new file mode 100644
index 0000000..2443c49
--- /dev/null
+++ b/src/main/resources/db/migration/V5__add_customer_type.sql
@@ -0,0 +1,2 @@
+-- 为客户表增加种类字段
+ALTER TABLE customers ADD COLUMN type VARCHAR(20) DEFAULT 'customer';
\ No newline at end of file