修改get项目时的返回内容格式，去除多余字典层，直接返回列表。

api/manage_project.py

@@ -39,8 +39,7 @@ async def get_project(response: Response, session: SessionDep, current_user: Use
         raise HTTPException(status_code=404, detail="Project not found or you have no projects.")
 
     # 返回项目的基本信息
-    return {
-        "projects": [
+    return [
         {
             "name": project.name,
             "requirement": project.requirement,
@@ -49,7 +48,6 @@ async def get_project(response: Response, session: SessionDep, current_user: Use
         }
         for project in projects
     ]
-    }
 
 
 # 新增与修改项目