optimize+注释

backend/app/api/endpoints/sources.py

@@ -1,4 +1,7 @@
 # app/api/endpoints/sources.py
+"""
+信息源模块：信息源的增删改查，供爬虫与后台管理使用
+"""
 from fastapi import APIRouter, Depends, HTTPException, status
 from sqlalchemy.orm import Session
 from typing import List
@@ -14,7 +17,7 @@ router = APIRouter()
 
 @router.post("/", response_model=InfoSourceResponse, status_code=status.HTTP_201_CREATED)
 async def create_info_source(source_in: InfoSourceCreate, db: Session = Depends(get_db)):
-    """新建一个信息源"""
+    """新建一个信息源（如微博热搜、知乎热榜等）"""
     return crud_source.create(db=db, obj_in=source_in)