diff --git a/backend/services/project-management/src/main/java/io/metersphere/project/service/ProjectCustomFieldService.java b/backend/services/project-management/src/main/java/io/metersphere/project/service/ProjectCustomFieldService.java
index 488de8d27b..235b36127d 100644
--- a/backend/services/project-management/src/main/java/io/metersphere/project/service/ProjectCustomFieldService.java
+++ b/backend/services/project-management/src/main/java/io/metersphere/project/service/ProjectCustomFieldService.java
@@ -52,7 +52,7 @@ public class ProjectCustomFieldService extends BaseCustomFieldService {
         CustomField originCustomField = getWithCheck(customField.getId());
         if (originCustomField.getInternal()) {
             // 内置字段不能修改名字
-            originCustomField.setName(null);
+            customField.setName(null);
         }
         customField.setScopeId(originCustomField.getScopeId());
         Project project = projectService.checkResourceExist(originCustomField.getScopeId());
diff --git a/backend/services/project-management/src/test/java/io/metersphere/project/controller/ProjectCustomFieldControllerTests.java b/backend/services/project-management/src/test/java/io/metersphere/project/controller/ProjectCustomFieldControllerTests.java
index 8a97c04ff2..d44eae86ee 100644
--- a/backend/services/project-management/src/test/java/io/metersphere/project/controller/ProjectCustomFieldControllerTests.java
+++ b/backend/services/project-management/src/test/java/io/metersphere/project/controller/ProjectCustomFieldControllerTests.java
@@ -177,10 +177,13 @@ public class ProjectCustomFieldControllerTests extends BaseTest {
         }
 
         CustomFieldExample example = new CustomFieldExample();
-        example.createCriteria().andScopeIdEqualTo(DEFAULT_PROJECT_ID).andInternalEqualTo(true);
-        request = BeanUtils.copyBean(request, customFieldMapper.selectByExample(example).get(0));
-        this.requestPostWithOk(DEFAULT_UPDATE, request);
+        example.createCriteria().andScopeIdEqualTo(DEFAULT_PROJECT_ID).andNameEqualTo("functional_priority");
+        CustomFieldUpdateRequest internalRequest = BeanUtils.copyBean(new CustomFieldUpdateRequest(), customFieldMapper.selectByExample(example).get(0));
+        internalRequest.setName("aaaa");
+        this.requestPostWithOk(DEFAULT_UPDATE, internalRequest);
         Assertions.assertEquals(customFieldMapper.selectByExample(example).get(0).getInternal(), true);
+        // 内置字段名称不能修改
+        Assertions.assertEquals(customFieldMapper.selectByExample(example).get(0).getName(), "functional_priority");
 
         // @校验是否开启项目模板
         changeOrgTemplateEnable(true);
diff --git a/backend/services/system-setting/src/main/java/io/metersphere/system/service/OrganizationCustomFieldService.java b/backend/services/system-setting/src/main/java/io/metersphere/system/service/OrganizationCustomFieldService.java
index 3d62a198f8..3dcaacb7aa 100644
--- a/backend/services/system-setting/src/main/java/io/metersphere/system/service/OrganizationCustomFieldService.java
+++ b/backend/services/system-setting/src/main/java/io/metersphere/system/service/OrganizationCustomFieldService.java
@@ -83,7 +83,7 @@ public class OrganizationCustomFieldService extends BaseCustomFieldService {
         CustomField originCustomField = getWithCheck(customField.getId());
         if (originCustomField.getInternal()) {
             // 内置字段不能修改名字
-            originCustomField.setName(null);
+            customField.setName(null);
         }
         checkOrganizationTemplateEnable(customField.getScopeId(), originCustomField.getScene());
         customField.setScopeId(originCustomField.getScopeId());
diff --git a/backend/services/system-setting/src/test/java/io/metersphere/system/controller/OrganizationCustomFieldControllerTests.java b/backend/services/system-setting/src/test/java/io/metersphere/system/controller/OrganizationCustomFieldControllerTests.java
index a0b8e3eeba..d4567a335a 100644
--- a/backend/services/system-setting/src/test/java/io/metersphere/system/controller/OrganizationCustomFieldControllerTests.java
+++ b/backend/services/system-setting/src/test/java/io/metersphere/system/controller/OrganizationCustomFieldControllerTests.java
@@ -182,10 +182,13 @@ public class OrganizationCustomFieldControllerTests extends BaseTest {
         assertRefCustomField(customField);
 
         CustomFieldExample example = new CustomFieldExample();
-        example.createCriteria().andScopeIdEqualTo(DEFAULT_ORGANIZATION_ID).andInternalEqualTo(true);
-        request = BeanUtils.copyBean(request, customFieldMapper.selectByExample(example).get(0));
-        this.requestPostWithOk(DEFAULT_UPDATE, request);
+        example.createCriteria().andScopeIdEqualTo(DEFAULT_ORGANIZATION_ID).andNameEqualTo("functional_priority");
+        CustomFieldUpdateRequest internalRequest = BeanUtils.copyBean(new CustomFieldUpdateRequest(), customFieldMapper.selectByExample(example).get(0));
+        internalRequest.setName("aaaa");
+        this.requestPostWithOk(DEFAULT_UPDATE, internalRequest);
         Assertions.assertEquals(customFieldMapper.selectByExample(example).get(0).getInternal(), true);
+        // 内置字段名称不能修改
+        Assertions.assertEquals(customFieldMapper.selectByExample(example).get(0).getName(), "functional_priority");
 
         // @校验是否开启组织模板
         changeOrgTemplateEnable(false);