diff --git a/src/main/resources/db/schema.sql b/src/main/resources/db/schema.sql
index 0b96b44..310565a 100644
--- a/src/main/resources/db/schema.sql
+++ b/src/main/resources/db/schema.sql
@@ -99,4 +99,4 @@ CREATE TABLE seller_order_item (
 
 -- 新增 payment_id 字段
 ALTER TABLE seller_orders
-    ADD COLUMN payment_id VARCHAR(64) DEFAULT NULL COMMENT '交易流水号（关联支付表）';
\ No newline at end of file
+    ADD COLUMN payment_id bigint DEFAULT NULL COMMENT '交易流水号（关联支付表）';
\ No newline at end of file