diff --git a/postdischarge-manage/src/main/java/com/xinelu/manage/mapper/department/DepartmentMapper.java b/postdischarge-manage/src/main/java/com/xinelu/manage/mapper/department/DepartmentMapper.java
index 6d25b2fd..a2ae1019 100644
--- a/postdischarge-manage/src/main/java/com/xinelu/manage/mapper/department/DepartmentMapper.java
+++ b/postdischarge-manage/src/main/java/com/xinelu/manage/mapper/department/DepartmentMapper.java
@@ -141,10 +141,10 @@ public interface DepartmentMapper {
     /**
      * 查询下级机构信息
      *
-     * @param id 机构信息主键
+     * @param ids 机构信息主键
      * @return 机构信息
      */
-    List<Department> selectDepartmentByParentId(Long[] id);
+    List<Department> selectDepartmentByParentId(Long[] ids);
 
     /**
      * 根据上级机构id和科室名称查询数量
diff --git a/postdischarge-manage/src/main/resources/mapper/manage/department/DepartmentMapper.xml b/postdischarge-manage/src/main/resources/mapper/manage/department/DepartmentMapper.xml
index 80b0c8e0..ea956d50 100644
--- a/postdischarge-manage/src/main/resources/mapper/manage/department/DepartmentMapper.xml
+++ b/postdischarge-manage/src/main/resources/mapper/manage/department/DepartmentMapper.xml
@@ -619,7 +619,7 @@
 
     <select id="selectDepartmentByParentId" resultType="com.xinelu.manage.domain.department.Department">
         <include refid="selectDepartmentVo"/>
-        where parent_department_id =
+        where parent_department_id in
         <foreach item="id" collection="array" open="(" separator="," close=")">
             #{id}
         </foreach>