diff --git a/SQL/202510/20251030/bpm_process_instance_ext.sql b/SQL/202510/20251030/bpm_process_instance_ext.sql
index 91de5ef..2b99cae 100644
--- a/SQL/202510/20251030/bpm_process_instance_ext.sql
+++ b/SQL/202510/20251030/bpm_process_instance_ext.sql
@@ -1,6 +1,6 @@
 -- 达梦数据库新增字段脚本
 -- 功能：为表BPM_PROCESS_INSTANCE_EXT新增ASSIGNEE字段
-
+SET SCHEMA LOWCODE_MASTER;
 -- 检查字段是否已存在
 DECLARE
     v_column_count NUMBER;