diff --git a/src/main/resources/schemas/schema_v2.4.sql b/src/main/resources/schemas/schema_v2.4.sql
index ae6ae73e3..b71e28988 100644
--- a/src/main/resources/schemas/schema_v2.4.sql
+++ b/src/main/resources/schemas/schema_v2.4.sql
@@ -5276,11 +5276,11 @@ CALL Modify_index('io_order_detail_biz', 'orderIdFk', 'idex_query_orderIdFk', 'B
 
 CALL Modify_index('io_collect_order_origin', 'busType', 'idex_origin_query', 'BTREE');
 
-CALL Modify_UNIQUE_index('io_collect_order', 'billNo', 'idex_collect_billNo', 'BTREE');
+CALL Modify_index('io_collect_order', 'billNo', 'idex_collect_billNo', 'BTREE');
 CALL Modify_index('io_collect_order', 'busType', 'idex_collect_busType', 'BTREE');
 CALL Modify_index('io_collect_order', 'workPlaceCode', 'idex_collect_workPlaceCode', 'BTREE');
 
-CALL Modify_UNIQUE_index('io_collect_order_backup', 'billNo', 'idex_backup_billNo', 'BTREE');
+CALL Modify_index('io_collect_order_backup', 'billNo', 'idex_backup_billNo', 'BTREE');
 CALL Modify_index('io_collect_order_backup', 'busType', 'idex_backup_busType', 'BTREE');
 CALL Modify_index('io_collect_order_backup', 'workPlaceCode', 'idex_backup_workPlaceCode', 'BTREE');