diff --git a/app/api/v1/endpoints/group.py b/app/api/v1/endpoints/group.py
index 59f2e90..ad93b33 100644
--- a/app/api/v1/endpoints/group.py
+++ b/app/api/v1/endpoints/group.py
@@ -240,7 +240,7 @@ async def change_article_name(article_id: int = Body(...), article_name: str = B
 
 @router.post("/changeNote", response_model=dict)
 async def change_note(note_id: int = Body(...), note_title: Optional[str] = Body(default=None), note_content: Optional[str] = Body(default=None), db: AsyncSession = Depends(get_db), user: dict = Depends(get_current_user)):
-    if len(note_title) > 100:
+    if note_title and len(note_title) > 100:
         raise HTTPException(status_code=405, detail="Invalid note title, longer than 100")
     user_id = user.get("id")
     await crud_change_note(user_id, note_id, note_title, note_content, db)
diff --git a/app/api/v1/endpoints/note.py b/app/api/v1/endpoints/note.py
index 8693925..8fc2def 100644
--- a/app/api/v1/endpoints/note.py
+++ b/app/api/v1/endpoints/note.py
@@ -1,4 +1,4 @@
-from fastapi import APIRouter, HTTPException, Depends
+from fastapi import APIRouter, HTTPException, Depends, Body
 from sqlalchemy.ext.asyncio import AsyncSession
 from app.schemas.note import NoteCreate, NoteUpdate, NoteFind
 from app.utils.get_db import get_db
@@ -21,8 +21,8 @@ async def delete_note(note_id: int, db: AsyncSession = Depends(get_db), current_
         raise HTTPException(status_code=404, detail="Note not found")
     return {"msg": "Note deleted successfully"}
 
-@router.put("/{note_id}", response_model=dict)
-async def update_note(note_id: int, content: Optional[str] = None, title: Optional[str] = None,db: AsyncSession = Depends(get_db)):
+@router.post("/{note_id}", response_model=dict)
+async def update_note(note_id: int, content: Optional[str] = Body(default=None), title: Optional[str] = Body(default=None), db: AsyncSession = Depends(get_db)):
     if content is None and title is None:
         raise HTTPException(status_code=400, detail="At least one field must be provided for update")
     note = NoteUpdate(id=note_id, content=content, title=title)