diff --git a/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V66__bug723_fix_duplicate_menu_doctor_enhanced.sql b/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V66__bug723_fix_duplicate_menu_doctor_enhanced.sql
new file mode 100644
index 000000000..e5e190a16
--- /dev/null
+++ b/healthlink-his-server/healthlink-his-application/src/main/resources/db/migration/V66__bug723_fix_duplicate_menu_doctor_enhanced.sql
@@ -0,0 +1,10 @@
+-- V66: 修复 Bug#723 — 删除 sys_menu 中重复的"住院医生增强"菜单条目
+-- 根因：sys_menu 表中存在两条 menu_name = '住院医生增强' 且 parent_id 相同的记录
+-- 修复：保留 menu_id 最小的一条（20171），删除其余重复记录
+DELETE FROM sys_menu
+WHERE menu_name = '住院医生增强'
+  AND menu_id NOT IN (
+      SELECT MIN(menu_id)
+      FROM sys_menu
+      WHERE menu_name = '住院医生增强'
+  );