diff --git a/api/manage_project.py b/api/manage_project.py
index 7db113c..ac20ed7 100644
--- a/api/manage_project.py
+++ b/api/manage_project.py
@@ -27,56 +27,7 @@ async def get_project(response: Response, session: SessionDep):
         raise HTTPException(status_code=404, detail="Project not found")
     return {"projects": projects}
 
-
-# 新增和修改项目
-# @router.post("/api/s1/project")
-# async def create_project(data:dict, session: SessionDep, current_user: User = Depends(get_current_user)):
-#     if current_user.role != TenantRole:
-#         raise HTTPException(status_code=403, detail="Only tenant users can add or update project")
-#     name = data["name"]
-#     requirement = data["requirement"]
-#     start_time = data["start_time"]
-#     deadline = data["deadline"]
-#     estimators = data["estimator"]
-#     auditors = data["auditor"]
-#
-#     #验证是否缺少必要参数
-#     if not name or not requirement or not start_time or not deadline or not estimators or not auditors:
-#         raise HTTPException(status_code=400, detail="Need more details")
-#
-#     #验证开始时间是否早于结束时间
-#     if datetime.fromisoformat(start_time) > datetime.fromisoformat(deadline):
-#         raise HTTPException(status_code=400, detail="Start time must be before deadline")
-#
-#     #验证评估审核员是否存在
-#     query_estimators = select(User).where(User.username.in_(estimators), User.tenant_id == current_user.tenant_id)
-#     users_estimators = session.exec(query_estimators).all()
-#     query_auditors = select(User).where(User.username.in_(auditors), User.tenant_id == current_user.tenant_id)
-#     users_auditors = session.exec(query_auditors).all()
-#     # 提取出所有查询到的
-#     existing_estimators = {user.username for user in users_estimators}
-#     existing_auditors = {user.username for user in users_auditors}
-#
-#     # 验证是否所有的username都存在于数据库中
-#     missing_usernames = (set(auditors) | set(estimators)) - existing_estimators - existing_auditors
-#
-#     if missing_usernames:
-#         raise HTTPException(status_code=404, detail=f"Missing usernames:{missing_usernames}")
-#
-#     newProject = Project(
-#         name=name,
-#         requirement=requirement,
-#         start_time=start_time,
-#         deadline=deadline,
-#         owner_id = current_user.tenant_id,
-#     )
-#     session.add(newProject)
-#     session.commit()
-#     session.refresh(newProject)
-#
-#     return {"newProject": newProject,
-#             "refreshProject.id": newProject.id,
-#             }
+#新增与修改项目
 @router.post("/api/s1/project")
 async def create_project(data: dict, session: SessionDep):
     project_id = data.get("project_id")
@@ -160,6 +111,35 @@ async def create_project(data: dict, session: SessionDep):
     session.commit()
     session.refresh(project)
 
-    return {"newProject": project,
-            "refreshProject.id": project.id,
+    return {"message": "Added or updated successfully",
+            "information": project,
             }
+
+#删除项目
+@router.delete("/api/s1/project")
+async def delete_project(data : dict, session: SessionDep):
+    project_id = data.get("project_id")
+    # 权限检查：只有管理员才可以删除项目
+    # if current_user.role != 1:
+    #     raise HTTPException(status_code=403, detail="Only admin users can delete projects")
+
+    if not project_id:
+        raise HTTPException(status_code=400, detail="Project ID is required")
+
+    # 查找项目
+    project = session.exec(
+        select(Project).where(Project.id == project_id)).first()
+    if not project:
+        raise HTTPException(status_code=404,
+                            detail="Project not found or you do not have permission to delete this project")
+
+    # 删除与项目相关的用户链接
+    # 先清除现有的关联
+    stmt = delete(ProjectUserLink).where(ProjectUserLink.project_id == project_id)
+    session.execute(stmt)
+
+    # 删除项目
+    session.delete(project)
+    session.commit()
+
+    return {"detail": "Project deleted successfully"}
\ No newline at end of file