diff --git a/pmapi/src/main/java/com/ningdatech/pmapi/projectlib/manage/ProjectLibManage.java b/pmapi/src/main/java/com/ningdatech/pmapi/projectlib/manage/ProjectLibManage.java
index 72319a4..4a440a4 100644
--- a/pmapi/src/main/java/com/ningdatech/pmapi/projectlib/manage/ProjectLibManage.java
+++ b/pmapi/src/main/java/com/ningdatech/pmapi/projectlib/manage/ProjectLibManage.java
@@ -215,6 +215,7 @@ public class ProjectLibManage {
                 List<ProjectApplication> applications = projectDto.getApplicationList().stream().map(application -> {
                     ProjectApplication projectApplication = new ProjectApplication();
                     BeanUtils.copyProperties(application, projectApplication);
+                    projectApplication.setId(null);
                     projectApplication.setProjectId(finalProject.getId());
                     return projectApplication;
                 }).collect(Collectors.toList());