diff --git a/app/api/v1/endpoints/articleDB.py b/app/api/v1/endpoints/articleDB.py
index 1db5986..c502986 100644
--- a/app/api/v1/endpoints/articleDB.py
+++ b/app/api/v1/endpoints/articleDB.py
@@ -2,12 +2,13 @@
 from sqlalchemy.ext.asyncio import AsyncSession
 from app.utils.get_db import get_db
 from app.schemas.articleDB import UploadArticle, GetArticle, DeLArticle, GetResponse
-from app.curd.articleDB import  create_article_in_db, get_article_in_db, get_article_in_db_by_id
+from app.curd.articleDB import  create_article_in_db, get_article_in_db, get_article_in_db_by_id, get_article_info_in_db_by_id
 from app.core.config import settings
 import os
 import uuid
 from fastapi.responses import FileResponse
 from urllib.parse import quote
+from app.curd.article import crud_upload_to_self_folder
 router = APIRouter()
 
 @router.put("/upload", response_model=dict)
@@ -77,4 +78,31 @@ async def download_article(article_id: int, db: AsyncSession = Depends(get_db)):
         path=article.file_path,
         filename=quote(download_filename),
         media_type="application/pdf"
-    )
\ No newline at end of file
+    )
+
+@router.put("/copy", response_model=dict)
+async def copy_article(folder_id: int, article_id: int, db: AsyncSession = Depends(get_db)):
+    """
+    Copy an article file by its ID to a specified directory.
+    """
+    # 根据 ID 查询文章信息
+    file_path, title = await get_article_info_in_db_by_id(db=db, article_id=article_id)
+    if not file_path:
+        raise HTTPException(status_code=404, detail="File not found")
+
+    new_article_id = await crud_upload_to_self_folder(name=title, folder_id=folder_id, db=db)
+    
+    # 复制文件到新的目录
+    old_file_path = file_path
+    new_file_path = os.path.join("/lhcos-data", f"{new_article_id}.pdf")
+    try:
+        with open(old_file_path, "rb") as source_file:
+            with open(new_file_path, "wb") as dest_file:
+                dest_file.write(source_file.read())
+    except Exception as e:
+        raise HTTPException(status_code=500, detail=str(e))
+    return {"msg": "Article copied successfully", "new_article_id": new_article_id}
+
+        
+
+
diff --git a/app/curd/articleDB.py b/app/curd/articleDB.py
index 10ad694..9af3af5 100644
--- a/app/curd/articleDB.py
+++ b/app/curd/articleDB.py
@@ -44,4 +44,12 @@ async def get_article_in_db_by_id(db: AsyncSession, article_id: int):
     """
     result = await db.execute(select(ArticleDB).where(ArticleDB.id == article_id))
     article = result.scalars().first()
-    return article
\ No newline at end of file
+    return article
+
+async def get_article_info_in_db_by_id(db: AsyncSession, article_id: int):
+    """
+    Get an article by its ID.
+    """
+    result = await db.execute(select(ArticleDB).where(ArticleDB.id == article_id))
+    article = result.scalars().first()
+    return article.file_path, article.title
\ No newline at end of file