diff --git a/postdischarge-common/src/main/java/com/xinelu/common/constant/Constants.java b/postdischarge-common/src/main/java/com/xinelu/common/constant/Constants.java
index e118190c..5a2a6d4e 100644
--- a/postdischarge-common/src/main/java/com/xinelu/common/constant/Constants.java
+++ b/postdischarge-common/src/main/java/com/xinelu/common/constant/Constants.java
@@ -195,7 +195,7 @@ public class Constants {
     public static final String TASK_STATUS_CODE = "TSC";
 
     /**
-     * 任务状态编码
+     * 机构代码编码
      */
     public static final String AGENCY_CODE = "AYC";
 
diff --git a/postdischarge-manage/src/main/java/com/xinelu/manage/service/agency/impl/AgencyServiceImpl.java b/postdischarge-manage/src/main/java/com/xinelu/manage/service/agency/impl/AgencyServiceImpl.java
index 4eb40e03..3542efc0 100644
--- a/postdischarge-manage/src/main/java/com/xinelu/manage/service/agency/impl/AgencyServiceImpl.java
+++ b/postdischarge-manage/src/main/java/com/xinelu/manage/service/agency/impl/AgencyServiceImpl.java
@@ -27,10 +27,7 @@ import org.springframework.transaction.annotation.Transactional;
 
 import javax.annotation.Resource;
 import java.time.LocalDateTime;
-import java.util.ArrayList;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Objects;
+import java.util.*;
 import java.util.stream.Collectors;
 
 
diff --git a/postdischarge-manage/src/main/java/com/xinelu/manage/service/agencycategory/impl/AgencyCategoryServiceImpl.java b/postdischarge-manage/src/main/java/com/xinelu/manage/service/agencycategory/impl/AgencyCategoryServiceImpl.java
index c9fd7370..9300523c 100644
--- a/postdischarge-manage/src/main/java/com/xinelu/manage/service/agencycategory/impl/AgencyCategoryServiceImpl.java
+++ b/postdischarge-manage/src/main/java/com/xinelu/manage/service/agencycategory/impl/AgencyCategoryServiceImpl.java
@@ -1,7 +1,9 @@
 package com.xinelu.manage.service.agencycategory.impl;
 
+import com.xinelu.common.constant.Constants;
 import com.xinelu.common.utils.SecurityUtils;
 import com.xinelu.common.utils.StringUtils;
+import com.xinelu.common.utils.codes.GenerateSystemCodeUtil;
 import com.xinelu.manage.domain.agencycategory.AgencyCategory;
 import com.xinelu.manage.mapper.agencycategory.AgencyCategoryMapper;
 import com.xinelu.manage.service.agencycategory.IAgencyCategoryService;
@@ -28,6 +30,8 @@ import java.util.stream.Collectors;
 public class AgencyCategoryServiceImpl implements IAgencyCategoryService {
     @Resource
     private AgencyCategoryMapper agencyCategoryMapper;
+    @Resource
+    private GenerateSystemCodeUtil generateSystemCodeUtil;
 
     /**
      * 查询机构类别
@@ -65,6 +69,7 @@ public class AgencyCategoryServiceImpl implements IAgencyCategoryService {
         }
         agencyCategory.setCreateTime(LocalDateTime.now());
         agencyCategory.setCreateBy(SecurityUtils.getUsername());
+        agencyCategory.setCategoryCode(Constants.CATEGORY_CODE + generateSystemCodeUtil.generateSystemCode(Constants.CATEGORY_CODE));
         return agencyCategoryMapper.insertAgencyCategory(agencyCategory);
     }
 
diff --git a/postdischarge-manage/src/main/java/com/xinelu/manage/service/department/impl/DepartmentServiceImpl.java b/postdischarge-manage/src/main/java/com/xinelu/manage/service/department/impl/DepartmentServiceImpl.java
index f3de2b33..ee46c83e 100644
--- a/postdischarge-manage/src/main/java/com/xinelu/manage/service/department/impl/DepartmentServiceImpl.java
+++ b/postdischarge-manage/src/main/java/com/xinelu/manage/service/department/impl/DepartmentServiceImpl.java
@@ -124,6 +124,9 @@ public class DepartmentServiceImpl implements IDepartmentService {
      */
     @Override
     public int updateDepartment(Department department) {
+        if (Objects.nonNull(department) && Objects.nonNull(department.getId()) && Objects.nonNull(department.getParentDepartmentId()) && department.getId().equals(department.getParentDepartmentId())) {
+            department.setParentDepartmentId(null);
+        }
         department.setUpdateBy(SecurityUtils.getUsername());
         department.setUpdateTime(LocalDateTime.now());
         return departmentMapper.updateDepartmentById(department);