diff --git a/app/api/announcements.py b/app/api/announcements.py
index 95570ed..028e786 100644
--- a/app/api/announcements.py
+++ b/app/api/announcements.py
@@ -1,11 +1,12 @@
 from datetime import datetime
-from typing import Optional
-from fastapi import APIRouter, Depends, Query, HTTPException
+
+from fastapi import APIRouter, Depends, HTTPException, Query
+from sqlalchemy import func, select
 from sqlalchemy.ext.asyncio import AsyncSession
-from sqlalchemy import select, func
+
 from app.api.deps import get_db
 from app.models.announcement import Announcement
-from app.models.schemas import AnnouncementResponse, AnnouncementListResponse
+from app.models.schemas import AnnouncementListResponse, AnnouncementResponse
 
 router = APIRouter()
 
@@ -14,11 +15,11 @@ router = APIRouter()
 async def list_announcements(
     page: int = Query(1, ge=1),
     page_size: int = Query(20, ge=1, le=100),
-    source_code: Optional[str] = None,
-    keyword: Optional[str] = None,
-    start_date: Optional[str] = None,
-    end_date: Optional[str] = None,
-    crawl_mode: Optional[str] = None,
+    source_code: str | None = None,
+    keyword: str | None = None,
+    start_date: str | None = None,
+    end_date: str | None = None,
+    crawl_mode: str | None = None,
     db: AsyncSession = Depends(get_db),
 ):
     conditions = []
@@ -91,12 +92,12 @@ async def get_stats(db: AsyncSession = Depends(get_db)):
         ).select_from(Announcement)
     )
     new_count = await db.execute(
-        select(func.count()).where(Announcement.is_new == True)
+        select(func.count()).where(Announcement.is_new == True)  # noqa: E712
         .select_from(Announcement)
     )
     unsent = await db.execute(
         select(func.count()).where(
-            Announcement.is_sent == False, Announcement.is_new == True
+            Announcement.is_sent == False, Announcement.is_new == True  # noqa: E712
         ).select_from(Announcement)
     )
     return {
diff --git a/app/api/crawl.py b/app/api/crawl.py
index e20bd4c..c2a94f0 100644
--- a/app/api/crawl.py
+++ b/app/api/crawl.py
@@ -1,4 +1,5 @@
 from fastapi import APIRouter
+
 from app.api.deps import get_crawl_service
 from app.models.schemas import CrawlTriggerRequest
 
@@ -34,6 +35,7 @@ async def crawl_status():
 @router.get("/crawl/sources")
 async def crawl_sources():
     import json
+
     from app.config import settings
     sources = json.loads(settings.announcement_sources)
     return {
diff --git a/app/api/deps.py b/app/api/deps.py
index c604025..573c0bc 100644
--- a/app/api/deps.py
+++ b/app/api/deps.py
@@ -1,7 +1,8 @@
 from sqlalchemy.ext.asyncio import AsyncSession
-from app.services.crawl_service import CrawlService
-from app.crawler.gxgp_spider import GXGPSpider
+
 from app.crawler.dahuagov_spider import DahuagovSpider
+from app.crawler.gxgp_spider import GXGPSpider
+from app.services.crawl_service import CrawlService
 
 
 async def get_db() -> AsyncSession:
diff --git a/app/api/router.py b/app/api/router.py
index 9eda887..b73f286 100644
--- a/app/api/router.py
+++ b/app/api/router.py
@@ -1,5 +1,7 @@
 from fastapi import APIRouter
-from app.api import announcements, crawl, wechat, scheduler as scheduler_module
+
+from app.api import announcements, crawl, wechat
+from app.api import scheduler as scheduler_module
 
 api_router = APIRouter(prefix="/api/v1")
 api_router.include_router(announcements.router, tags=["announcements"])
diff --git a/app/api/scheduler.py b/app/api/scheduler.py
index 5cbe831..121e8df 100644
--- a/app/api/scheduler.py
+++ b/app/api/scheduler.py
@@ -1,6 +1,7 @@
 from fastapi import APIRouter
-from app.scheduler.jobs import scheduler
+
 from app.models.schemas import JobResponse
+from app.scheduler.jobs import scheduler
 
 router = APIRouter(prefix="/scheduler", tags=["scheduler"])
 
diff --git a/app/api/wechat.py b/app/api/wechat.py
index 805ca28..9e1b273 100644
--- a/app/api/wechat.py
+++ b/app/api/wechat.py
@@ -1,4 +1,5 @@
 from fastapi import APIRouter, Request, Response
+
 from app.wechat.handler import WeChatMessageHandler
 
 router = APIRouter()
diff --git a/app/config.py b/app/config.py
index da09e3e..86f8cd3 100644
--- a/app/config.py
+++ b/app/config.py
@@ -1,5 +1,5 @@
+
 from pydantic_settings import BaseSettings, SettingsConfigDict
-from typing import List
 
 
 class Settings(BaseSettings):
@@ -14,7 +14,7 @@ class Settings(BaseSettings):
 
     # 爬虫
     crawler_base_url: str = "https://zfcg.gxzf.gov.cn"
-    crawler_keywords: List[str] = ["大化"]
+    crawler_keywords: list[str] = ["大化"]
     crawler_max_pages: int = 10
     crawler_timeout: int = 30
     crawler_page_size: int = 100
@@ -38,7 +38,7 @@ class Settings(BaseSettings):
     markdown_output_file: str = "onu.md"
 
     # 公告来源（JSON 字符串，从环境变量读取）
-    announcement_sources: str = '{"ZcyAnnouncement1":{"category_id":66485,"name":"采购公告","type":"purchase"},"ZcyAnnouncement2":{"category_id":66485,"name":"结果公告","type":"result"},"ZcyAnnouncement3":{"category_id":66485,"name":"合同公告","type":"contract"},"ZcyAnnouncement4":{"category_id":66485,"name":"更正公告","type":"correction"},"ZcyAnnouncement5":{"category_id":66485,"name":"招标文件预公示","type":"pre_announcement"},"ZcyAnnouncement6":{"category_id":66485,"name":"单一来源公示","type":"single_source"},"ZcyAnnouncement7":{"category_id":66485,"name":"电子卖场公示","type":"electronic_market"},"ZcyAnnouncement10":{"category_id":66485,"name":"履约验收公示","type":"acceptance"},"ZcyAnnouncement11":{"category_id":66485,"name":"工程类公告","type":"engineering"},"ZcyAnnouncement20":{"category_id":66485,"name":"框架协议征集公告","type":"framework_agreement"},"ZcyAnnouncement21":{"category_id":66485,"name":"框架协议入围结果公告","type":"framework_result"},"ZcyAnnouncement23":{"category_id":66485,"name":"框架协议成交结果汇总公告","type":"framework_summary"},"61-266648":{"category_id":66485,"name":"采购意向公开","type":"intention"}}'
+    announcement_sources: str = '{"ZcyAnnouncement1":{"category_id":66485,"name":"采购公告","type":"purchase"},"ZcyAnnouncement2":{"category_id":66485,"name":"结果公告","type":"result"},"ZcyAnnouncement3":{"category_id":66485,"name":"合同公告","type":"contract"},"ZcyAnnouncement4":{"category_id":66485,"name":"更正公告","type":"correction"},"ZcyAnnouncement5":{"category_id":66485,"name":"招标文件预公示","type":"pre_announcement"},"ZcyAnnouncement6":{"category_id":66485,"name":"单一来源公示","type":"single_source"},"ZcyAnnouncement7":{"category_id":66485,"name":"电子卖场公示","type":"electronic_market"},"ZcyAnnouncement10":{"category_id":66485,"name":"履约验收公示","type":"acceptance"},"ZcyAnnouncement11":{"category_id":66485,"name":"工程类公告","type":"engineering"},"ZcyAnnouncement20":{"category_id":66485,"name":"框架协议征集公告","type":"framework_agreement"},"ZcyAnnouncement21":{"category_id":66485,"name":"框架协议入围结果公告","type":"framework_result"},"ZcyAnnouncement23":{"category_id":66485,"name":"框架协议成交结果汇总公告","type":"framework_summary"},"61-266648":{"category_id":66485,"name":"采购意向公开","type":"intention"}}'  # noqa: E501
 
 
 settings = Settings()
diff --git a/app/crawler/base.py b/app/crawler/base.py
index 3e06f6c..93be0a6 100644
--- a/app/crawler/base.py
+++ b/app/crawler/base.py
@@ -2,7 +2,6 @@ import hashlib
 from abc import ABC, abstractmethod
 from dataclasses import dataclass, field
 from datetime import datetime
-from typing import List, Optional
 
 
 @dataclass
@@ -12,7 +11,7 @@ class CrawlResult:
     total_count: int = 0
     new_count: int = 0
     announcements: list = field(default_factory=list)
-    error_message: Optional[str] = None
+    error_message: str | None = None
     crawled_at: datetime = field(default_factory=datetime.now)
     duration: float = 0.0
 
@@ -24,7 +23,7 @@ class CrawlResult:
 @dataclass
 class PipelineConfig:
     filter_enabled: bool = True
-    keywords: List[str] = field(default_factory=list)
+    keywords: list[str] = field(default_factory=list)
     dedup_enabled: bool = True
     notify_mode: str = "filtered"
     mark_sent: bool = False
diff --git a/app/crawler/dahuagov_spider.py b/app/crawler/dahuagov_spider.py
index f95ae3d..0f20964 100644
--- a/app/crawler/dahuagov_spider.py
+++ b/app/crawler/dahuagov_spider.py
@@ -1,7 +1,9 @@
 import asyncio
 import random
 from datetime import datetime
+
 import httpx
+
 from app.config import settings
 from app.crawler.base import BaseSpider, CrawlResult, PipelineConfig
 from app.crawler.parsers import parse_dahuagov_html
diff --git a/app/crawler/gxgp_spider.py b/app/crawler/gxgp_spider.py
index 220e2c7..eeb528c 100644
--- a/app/crawler/gxgp_spider.py
+++ b/app/crawler/gxgp_spider.py
@@ -2,11 +2,12 @@ import json
 import random
 import time
 from datetime import datetime
-from typing import List, Optional
+
 import httpx
+
 from app.config import settings
 from app.crawler.base import BaseSpider, CrawlResult, PipelineConfig
-from app.crawler.parsers import parse_gxgp_api_response, extract_pagination
+from app.crawler.parsers import extract_pagination, parse_gxgp_api_response
 
 
 class GXGPSpider(BaseSpider):
@@ -27,8 +28,8 @@ class GXGPSpider(BaseSpider):
             mark_sent=False,
         )
 
-    async def crawl(self, sources: Optional[List[str]] = None,
-                    max_pages: Optional[int] = None) -> CrawlResult:
+    async def crawl(self, sources: list[str] | None = None,
+                    max_pages: int | None = None) -> CrawlResult:
         if max_pages is None:
             max_pages = settings.crawler_max_pages
         if sources is None:
@@ -88,7 +89,7 @@ class GXGPSpider(BaseSpider):
         )
 
     async def _fetch_page(self, client: httpx.AsyncClient, source_code: str,
-                          category_id: int, page_no: int) -> Optional[dict]:
+                          category_id: int, page_no: int) -> dict | None:
         payload = {
             "keyword": "",
             "publishDateBegin": "",
@@ -102,7 +103,7 @@ class GXGPSpider(BaseSpider):
             "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36",
             "Content-Type": "application/json;charset=UTF-8",
             "Origin": self.base_url,
-            "Referer": f"{self.base_url}/site/category?parentId={category_id}&childrenCode={source_code}",
+            "Referer": f"{self.base_url}/site/category?parentId={category_id}&childrenCode={source_code}",  # noqa: E501
         }
         response = await client.post(
             self.announcement_api, json=payload, headers=headers
diff --git a/app/crawler/parsers.py b/app/crawler/parsers.py
index d266d11..4f1689c 100644
--- a/app/crawler/parsers.py
+++ b/app/crawler/parsers.py
@@ -1,18 +1,18 @@
 import hashlib
 from datetime import datetime
-from typing import Any, Dict, List
+from typing import Any
 from urllib.parse import urljoin
 
 from bs4 import BeautifulSoup
 
 
 def parse_gxgp_api_response(
-    response_data: Dict[str, Any],
+    response_data: dict[str, Any],
     source_code: str,
     source_name: str,
     crawled_at: datetime,
     category_id: int,
-) -> List[Dict[str, Any]]:
+) -> list[dict[str, Any]]:
     if not response_data.get("success"):
         return []
     data = response_data.get("result", {}).get("data", {})
@@ -62,7 +62,7 @@ def parse_gxgp_api_response(
     return results
 
 
-def extract_pagination(response_data: Dict[str, Any]) -> Dict[str, Any]:
+def extract_pagination(response_data: dict[str, Any]) -> dict[str, Any]:
     data = response_data.get("result", {}).get("data", {})
     return {
         "total": data.get("total", 0),
@@ -75,7 +75,7 @@ def extract_pagination(response_data: Dict[str, Any]) -> Dict[str, Any]:
     }
 
 
-def parse_dahuagov_html(html: str, crawled_at: datetime) -> List[Dict[str, Any]]:
+def parse_dahuagov_html(html: str, crawled_at: datetime) -> list[dict[str, Any]]:
     soup = BeautifulSoup(html, "html.parser")
     lists = soup.find_all("ul", class_="more-list")
     if not lists:
@@ -131,7 +131,7 @@ def parse_dahuagov_html(html: str, crawled_at: datetime) -> List[Dict[str, Any]]
     return results
 
 
-def _generate_hash(ann: Dict[str, Any]) -> str:
+def _generate_hash(ann: dict[str, Any]) -> str:
     content = (
         f"{ann['title']}|{ann['publish_date'].strftime('%Y-%m-%d')}"
         f"|{ann['purchase_name']}|{ann['content_url']}|{ann['source_code']}"
diff --git a/app/main.py b/app/main.py
index 3f4f09b..de27de2 100644
--- a/app/main.py
+++ b/app/main.py
@@ -1,9 +1,11 @@
 import logging
 from contextlib import asynccontextmanager
+
 from fastapi import FastAPI
-from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker, AsyncSession
+from sqlalchemy.ext.asyncio import AsyncSession, async_sessionmaker, create_async_engine
+
+from app.api.router import api_router
 from app.config import settings
-from app.models.announcement import Base
 
 engine = create_async_engine(settings.database_url, echo=settings.debug)
 async_session = async_sessionmaker(engine, class_=AsyncSession, expire_on_commit=False)
@@ -20,7 +22,7 @@ async def lifespan(app: FastAPI):
         level=getattr(logging, settings.log_level),
         format="%(asctime)s [%(levelname)s] %(name)s: %(message)s",
     )
-    from app.scheduler.jobs import start_scheduler, shutdown_scheduler
+    from app.scheduler.jobs import shutdown_scheduler, start_scheduler
     start_scheduler()
     yield
     shutdown_scheduler()
@@ -35,7 +37,6 @@ app = FastAPI(
     redoc_url=None,
 )
 
-from app.api.router import api_router
 app.include_router(api_router)
 
 
diff --git a/app/models/announcement.py b/app/models/announcement.py
index 9d3fae3..aa338f4 100644
--- a/app/models/announcement.py
+++ b/app/models/announcement.py
@@ -1,6 +1,7 @@
 import hashlib
-from datetime import datetime, date
-from sqlalchemy import String, Boolean, DateTime, Integer, Text, func
+from datetime import datetime
+
+from sqlalchemy import Boolean, DateTime, Integer, String, Text, func
 from sqlalchemy.orm import DeclarativeBase, Mapped, mapped_column
 
 
@@ -25,7 +26,7 @@ class Announcement(Base):
     is_sent: Mapped[bool] = mapped_column(Boolean, default=False)
     keyword_matched: Mapped[bool] = mapped_column(Boolean, default=False)
     created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
-    updated_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), onupdate=func.now())
+    updated_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), onupdate=func.now())  # noqa: E501
 
     @staticmethod
     def generate_hash(title: str, publish_date: str, purchase_name: str,
@@ -36,5 +37,6 @@ class Announcement(Base):
     @staticmethod
     def source_map() -> dict:
         import json
+
         from app.config import settings
         return json.loads(settings.announcement_sources)
diff --git a/app/models/schemas.py b/app/models/schemas.py
index ff1ba01..611c853 100644
--- a/app/models/schemas.py
+++ b/app/models/schemas.py
@@ -1,5 +1,5 @@
 from datetime import datetime
-from typing import Optional
+
 from pydantic import BaseModel
 
 
@@ -29,14 +29,14 @@ class AnnouncementListResponse(BaseModel):
 
 
 class CrawlTriggerRequest(BaseModel):
-    keywords: Optional[list[str]] = None
-    sources: Optional[list[str]] = None
+    keywords: list[str] | None = None
+    sources: list[str] | None = None
     manual: bool = False
 
 
 class CrawlStatusResponse(BaseModel):
     running: bool
-    last_crawl_time: Optional[datetime] = None
+    last_crawl_time: datetime | None = None
     total_sources: int
 
 
@@ -53,4 +53,4 @@ class SourcesResponse(BaseModel):
 class JobResponse(BaseModel):
     id: str
     name: str
-    next_run_time: Optional[str] = None
+    next_run_time: str | None = None
diff --git a/app/scheduler/jobs.py b/app/scheduler/jobs.py
index e4418da..9dfc41f 100644
--- a/app/scheduler/jobs.py
+++ b/app/scheduler/jobs.py
@@ -1,7 +1,9 @@
 import logging
+
 from apscheduler.schedulers.asyncio import AsyncIOScheduler
-from app.config import settings
+
 from app.api.deps import get_crawl_service
+from app.config import settings
 
 logger = logging.getLogger(__name__)
 scheduler = AsyncIOScheduler()
diff --git a/app/services/crawl_service.py b/app/services/crawl_service.py
index 5f9c396..8132f27 100644
--- a/app/services/crawl_service.py
+++ b/app/services/crawl_service.py
@@ -1,22 +1,22 @@
-from typing import Dict, List
+
 from app.crawler.base import BaseSpider, CrawlResult
 
 
 class CrawlService:
     def __init__(self):
-        self.spiders: Dict[str, BaseSpider] = {}
+        self.spiders: dict[str, BaseSpider] = {}
 
     def register(self, spider: BaseSpider):
         self.spiders[spider.name] = spider
 
-    async def run_all(self) -> List[CrawlResult]:
+    async def run_all(self) -> list[CrawlResult]:
         results = []
         for name, spider in self.spiders.items():
             result = await spider.crawl()
             results.append(result)
         return results
 
-    async def run_spider(self, name: str, **kwargs) -> List[CrawlResult]:
+    async def run_spider(self, name: str, **kwargs) -> list[CrawlResult]:
         spider = self.spiders.get(name)
         if spider is None:
             return [CrawlResult(
@@ -26,7 +26,7 @@ class CrawlService:
         result = await spider.crawl(**kwargs)
         return [result]
 
-    def get_spider_names(self) -> List[str]:
+    def get_spider_names(self) -> list[str]:
         return list(self.spiders.keys())
 
     def get_pipeline_config(self, name: str):
diff --git a/app/services/filter_service.py b/app/services/filter_service.py
index 027e1f5..7c1efdf 100644
--- a/app/services/filter_service.py
+++ b/app/services/filter_service.py
@@ -1,9 +1,9 @@
 from datetime import date
-from typing import Any, Dict, List, Optional
+from typing import Any
 
 
-def filter_by_keywords(announcements: List[Dict[str, Any]],
-                       keywords: List[str]) -> List[Dict[str, Any]]:
+def filter_by_keywords(announcements: list[dict[str, Any]],
+                       keywords: list[str]) -> list[dict[str, Any]]:
     if not keywords:
         return announcements
 
@@ -17,9 +17,9 @@ def filter_by_keywords(announcements: List[Dict[str, Any]],
     return filtered
 
 
-def filter_by_date(announcements: List[Dict[str, Any]],
-                   start_date: Optional[date] = None,
-                   end_date: Optional[date] = None) -> List[Dict[str, Any]]:
+def filter_by_date(announcements: list[dict[str, Any]],
+                   start_date: date | None = None,
+                   end_date: date | None = None) -> list[dict[str, Any]]:
     if not start_date and not end_date:
         return announcements
 
@@ -42,7 +42,7 @@ def filter_by_date(announcements: List[Dict[str, Any]],
     return filtered
 
 
-def dedup_by_hash(announcements: List[Dict[str, Any]]) -> List[Dict[str, Any]]:
+def dedup_by_hash(announcements: list[dict[str, Any]]) -> list[dict[str, Any]]:
     seen = set()
     result = []
     for ann in announcements:
diff --git a/app/services/notification_service.py b/app/services/notification_service.py
index 850df57..af20a1e 100644
--- a/app/services/notification_service.py
+++ b/app/services/notification_service.py
@@ -1,5 +1,5 @@
-from datetime import datetime
-from typing import Any, Dict, List
+from typing import Any
+
 from app.config import settings
 from app.wechat.client import WeChatClient
 
@@ -8,7 +8,7 @@ class NotificationService:
     def __init__(self):
         self.client = WeChatClient()
 
-    async def send(self, announcements: List[Dict[str, Any]]) -> int:
+    async def send(self, announcements: list[dict[str, Any]]) -> int:
         if not settings.wechat_enabled:
             return 0
         if not announcements:
diff --git a/app/services/pipeline.py b/app/services/pipeline.py
index e0a2b35..663e074 100644
--- a/app/services/pipeline.py
+++ b/app/services/pipeline.py
@@ -1,4 +1,5 @@
-from typing import Any, Dict, List
+from typing import Any
+
 from app.crawler.base import PipelineConfig, PipelineResult
 from app.services.filter_service import dedup_by_hash
 
@@ -8,7 +9,7 @@ class PostCrawlPipeline:
         self.db = db_session
         self.notify = notification_service
 
-    async def process(self, announcements: List[Dict[str, Any]],
+    async def process(self, announcements: list[dict[str, Any]],
                       config: PipelineConfig) -> PipelineResult:
         result = PipelineResult()
 
@@ -47,8 +48,9 @@ class PostCrawlPipeline:
 
         return result
 
-    async def _save_to_db(self, announcements: List[Dict[str, Any]]) -> int:
+    async def _save_to_db(self, announcements: list[dict[str, Any]]) -> int:
         from sqlalchemy.dialects.postgresql import insert
+
         from app.models.announcement import Announcement
 
         if not announcements:
@@ -76,13 +78,14 @@ class PostCrawlPipeline:
         await self.db.commit()
         return result_proxy.rowcount if result_proxy.rowcount >= 0 else len(values)
 
-    async def _send_notifications(self, announcements: List[Dict[str, Any]]) -> int:
+    async def _send_notifications(self, announcements: list[dict[str, Any]]) -> int:
         return await self.notify.send(announcements)
 
-    async def _mark_sent(self, announcements: List[Dict[str, Any]]) -> int:
-        from app.models.announcement import Announcement
+    async def _mark_sent(self, announcements: list[dict[str, Any]]) -> int:
         from sqlalchemy import update
 
+        from app.models.announcement import Announcement
+
         hashes = [a["content_hash"] for a in announcements if a.get("content_hash")]
         if not hashes:
             return 0
@@ -97,6 +100,6 @@ class PostCrawlPipeline:
         return result.rowcount
 
     @staticmethod
-    def _match_keywords(announcement: Dict[str, Any], keywords: List[str]) -> bool:
+    def _match_keywords(announcement: dict[str, Any], keywords: list[str]) -> bool:
         text = f"{announcement.get('title', '')} {announcement.get('purchase_name', '')}"
         return any(kw in text for kw in keywords)
diff --git a/app/wechat/client.py b/app/wechat/client.py
index b86ff15..d2ea91c 100644
--- a/app/wechat/client.py
+++ b/app/wechat/client.py
@@ -1,16 +1,16 @@
 import time
+
 import httpx
-from typing import Optional
 
 from app.config import settings
 
 
 class WeChatClient:
     def __init__(self):
-        self._access_token: Optional[str] = None
+        self._access_token: str | None = None
         self._token_expires_at: float = 0
 
-    async def _get_access_token(self) -> Optional[str]:
+    async def _get_access_token(self) -> str | None:
         now = time.time()
         if self._access_token and now < self._token_expires_at:
             return self._access_token
diff --git a/app/wechat/crypto.py b/app/wechat/crypto.py
index 2d44f98..275b21c 100644
--- a/app/wechat/crypto.py
+++ b/app/wechat/crypto.py
@@ -1,20 +1,20 @@
 #!/usr/bin/env python
-# -*- encoding:utf-8 -*-
 
 """ 对企业微信发送给企业后台的消息加解密示例代码.
 @copyright: Copyright (c) 1998-2014 Tencent Inc.
 
 """
 # ------------------------------------------------------------------------
-import logging
 import base64
-import random
 import hashlib
-import time
-import struct
-from Crypto.Cipher import AES
-import xml.etree.cElementTree as ET
+import logging
+import random
 import socket
+import struct
+import time
+import xml.etree.ElementTree as ET
+
+from Crypto.Cipher import AES
 
 try:
     import ierror
@@ -29,11 +29,11 @@ except ImportError:
 """
 
 
-class FormatException(Exception):
+class FormatError(Exception):
     pass
 
 
-def throw_exception(message, exception_class=FormatException):
+def throw_exception(message, exception_class=FormatError):
     """my define raise exception function"""
     raise exception_class(message)
 
@@ -104,7 +104,7 @@ class XMLParse:
         return resp_xml
 
 
-class PKCS7Encoder():
+class PKCS7Encoder:
     """提供基于PKCS7算法的加解密接口"""
 
     block_size = 32
@@ -134,7 +134,7 @@ class PKCS7Encoder():
         return decrypted[:-pad]
 
 
-class Prpcrypt(object):
+class Prpcrypt:
     """提供接收和推送给企业微信消息的加解密接口"""
 
     def __init__(self, key):
@@ -151,7 +151,7 @@ class Prpcrypt(object):
         """
         # 16位随机字符串添加到明文开头
         text = text.encode()
-        text = self.get_random_str() + struct.pack("I", socket.htonl(len(text))) + text + receiveid.encode()
+        text = self.get_random_str() + struct.pack("I", socket.htonl(len(text))) + text + receiveid.encode()  # noqa: E501
 
         # 使用自定义的填充方式对明文进行补位填充
         pkcs7 = PKCS7Encoder()
@@ -206,14 +206,14 @@ class Prpcrypt(object):
         return str(random.randint(1000000000000000, 9999999999999999)).encode()
 
 
-class WXBizMsgCrypt(object):
+class WXBizMsgCrypt:
     # 构造函数
     def __init__(self, sToken, sEncodingAESKey, sReceiveId):
         try:
             self.key = base64.b64decode(sEncodingAESKey + "=")
             assert len(self.key) == 32
-        except:
-            throw_exception("[error]: EncodingAESKey unvalid !", FormatException)
+        except Exception:
+            throw_exception("[error]: EncodingAESKey unvalid !", FormatError)
             # return ierror.WXBizMsgCrypt_IllegalAesKey,None
         self.m_sToken = sToken
         self.m_sReceiveId = sReceiveId
@@ -240,9 +240,9 @@ class WXBizMsgCrypt(object):
     def EncryptMsg(self, sReplyMsg, sNonce, timestamp=None):
         # 将企业回复用户的消息加密打包
         # @param sReplyMsg: 企业号待回复用户的消息，xml格式的字符串
-        # @param sTimeStamp: 时间戳，可以自己生成，也可以用URL参数的timestamp,如为None则自动用当前时间
-        # @param sNonce: 随机串，可以自己生成，也可以用URL参数的nonce
-        # sEncryptMsg: 加密后的可以直接回复用户的密文，包括msg_signature, timestamp, nonce, encrypt的xml格式的字符串,
+        # @param sTimeStamp: 时间戳，可以自己生成，也可以用URL参数的timestamp,如为None则自动用当前时间  # noqa: E501
+        # @param sNonce: 随机串，可以自己生成，也可以用URL参数的nonce  # noqa: E501
+        # sEncryptMsg: 加密后的可以直接回复用户的密文，包括msg_signature, timestamp, nonce, encrypt的xml格式的字符串,  # noqa: E501
         # return：成功0，sEncryptMsg,失败返回对应的错误码None
         pc = Prpcrypt(self.key)
         ret, encrypt = pc.encrypt(sReplyMsg, self.m_sReceiveId)
diff --git a/app/wechat/handler.py b/app/wechat/handler.py
index 388d084..6471556 100644
--- a/app/wechat/handler.py
+++ b/app/wechat/handler.py
@@ -1,8 +1,7 @@
-import xml.etree.cElementTree as ET
-from typing import Optional
+import xml.etree.ElementTree as ET
 
-from app.wechat.crypto import WXBizMsgCrypt
 from app.config import settings
+from app.wechat.crypto import WXBizMsgCrypt
 
 
 class WeChatMessageHandler:
@@ -15,7 +14,7 @@ class WeChatMessageHandler:
 
     def verify_url(
         self, msg_signature: str, timestamp: str, nonce: str, echostr: str
-    ) -> Optional[str]:
+    ) -> str | None:
         ret, sEchoStr = self.wxcpt.VerifyURL(
             msg_signature, timestamp, nonce, echostr
         )
@@ -33,7 +32,7 @@ class WeChatMessageHandler:
         msg_signature: str,
         timestamp: str,
         nonce: str,
-    ) -> Optional[ET.Element]:
+    ) -> ET.Element | None:
         ret, xml_content = self.wxcpt.DecryptMsg(
             post_data, msg_signature, timestamp, nonce
         )
@@ -43,16 +42,16 @@ class WeChatMessageHandler:
 
     def encrypt_response(
         self, response_xml: str, nonce: str, timestamp: str
-    ) -> Optional[str]:
+    ) -> str | None:
         ret, encrypted = self.wxcpt.EncryptMsg(response_xml, nonce, timestamp)
         if ret == 0:
             return encrypted
         return None
 
     def handle_event(
-        self, event: str, event_key: Optional[str], from_user: str
-    ) -> Optional[str]:
+        self, event: str, event_key: str | None, from_user: str
+    ) -> str | None:
         return None
 
-    def handle_text(self, content: str, from_user: str) -> Optional[str]:
+    def handle_text(self, content: str, from_user: str) -> str | None:
         return None
diff --git a/app/wechat/ierror.py b/app/wechat/ierror.py
index 6678fec..f99e9ea 100644
--- a/app/wechat/ierror.py
+++ b/app/wechat/ierror.py
@@ -1,10 +1,9 @@
 #!/usr/bin/env python
-# -*- coding: utf-8 -*-
 #########################################################################
 # Author: jonyqin
 # Created Time: Thu 11 Sep 2014 01:53:58 PM CST
 # File Name: ierror.py
-# Description:定义错误码含义 
+# Description:定义错误码含义
 #########################################################################
 WXBizMsgCrypt_OK = 0
 WXBizMsgCrypt_ValidateSignature_Error = -40001
diff --git a/pyproject.toml b/pyproject.toml
index 9c1f846..29ced92 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,6 +36,9 @@ line-length = 100
 [tool.ruff.lint]
 select = ["E", "F", "I", "N", "W", "UP"]
 
+[tool.ruff.lint.per-file-ignores]
+"app/wechat/*.py" = ["N802", "N803", "N806"]
+
 [tool.pytest.ini_options]
 asyncio_mode = "auto"
 testpaths = ["tests"]
diff --git a/tests/test_api/test_health.py b/tests/test_api/test_health.py
index 22b57a6..a4c2cd1 100644
--- a/tests/test_api/test_health.py
+++ b/tests/test_api/test_health.py
@@ -1,5 +1,6 @@
 import pytest
-from httpx import AsyncClient, ASGITransport
+from httpx import ASGITransport, AsyncClient
+
 from app.main import app
 
 
diff --git a/tests/test_crawler/test_base.py b/tests/test_crawler/test_base.py
index 880deee..ce269f4 100644
--- a/tests/test_crawler/test_base.py
+++ b/tests/test_crawler/test_base.py
@@ -1,5 +1,7 @@
-import pytest
 from datetime import datetime
+
+import pytest
+
 from app.crawler.base import BaseSpider, CrawlResult, PipelineConfig, PipelineResult
 
 
diff --git a/tests/test_crawler/test_dahuagov_spider.py b/tests/test_crawler/test_dahuagov_spider.py
index 7f20a37..1979cba 100644
--- a/tests/test_crawler/test_dahuagov_spider.py
+++ b/tests/test_crawler/test_dahuagov_spider.py
@@ -1,7 +1,9 @@
+from unittest.mock import AsyncMock, MagicMock, patch
+
 import pytest
-from unittest.mock import AsyncMock, patch, MagicMock
-from app.crawler.dahuagov_spider import DahuagovSpider
+
 from app.crawler.base import PipelineConfig
+from app.crawler.dahuagov_spider import DahuagovSpider
 
 
 @pytest.mark.asyncio
diff --git a/tests/test_crawler/test_gxgp_spider.py b/tests/test_crawler/test_gxgp_spider.py
index 90eb1d3..221e763 100644
--- a/tests/test_crawler/test_gxgp_spider.py
+++ b/tests/test_crawler/test_gxgp_spider.py
@@ -1,7 +1,9 @@
+from unittest.mock import AsyncMock, MagicMock, patch
+
 import pytest
-from unittest.mock import AsyncMock, patch, MagicMock
-from app.crawler.gxgp_spider import GXGPSpider
+
 from app.crawler.base import PipelineConfig
+from app.crawler.gxgp_spider import GXGPSpider
 
 
 @pytest.mark.asyncio
diff --git a/tests/test_crawler/test_parsers.py b/tests/test_crawler/test_parsers.py
index ca0be54..b5b0228 100644
--- a/tests/test_crawler/test_parsers.py
+++ b/tests/test_crawler/test_parsers.py
@@ -1,8 +1,9 @@
 from datetime import datetime
+
 from app.crawler.parsers import (
-    parse_gxgp_api_response,
-    parse_dahuagov_html,
     extract_pagination,
+    parse_dahuagov_html,
+    parse_gxgp_api_response,
 )
 
 
diff --git a/tests/test_services/test_crawl_service.py b/tests/test_services/test_crawl_service.py
index e593950..a1e98c0 100644
--- a/tests/test_services/test_crawl_service.py
+++ b/tests/test_services/test_crawl_service.py
@@ -1,5 +1,6 @@
+
 import pytest
-from datetime import datetime
+
 from app.crawler.base import BaseSpider, CrawlResult, PipelineConfig
 from app.services.crawl_service import CrawlService
 
diff --git a/tests/test_services/test_filter_service.py b/tests/test_services/test_filter_service.py
index 0c477f1..2ab7080 100644
--- a/tests/test_services/test_filter_service.py
+++ b/tests/test_services/test_filter_service.py
@@ -1,5 +1,6 @@
 from datetime import datetime
-from app.services.filter_service import filter_by_keywords, filter_by_date
+
+from app.services.filter_service import filter_by_date, filter_by_keywords
 
 
 def test_filter_by_keywords_match():
diff --git a/tests/test_services/test_notification_service.py b/tests/test_services/test_notification_service.py
index 2b19452..6e14e90 100644
--- a/tests/test_services/test_notification_service.py
+++ b/tests/test_services/test_notification_service.py
@@ -1,5 +1,7 @@
-import pytest
 from unittest.mock import AsyncMock, patch
+
+import pytest
+
 from app.services.notification_service import NotificationService
 
 
diff --git a/tests/test_services/test_pipeline.py b/tests/test_services/test_pipeline.py
index 402bf2c..7326560 100644
--- a/tests/test_services/test_pipeline.py
+++ b/tests/test_services/test_pipeline.py
@@ -1,8 +1,10 @@
-import pytest
-from unittest.mock import AsyncMock, MagicMock, patch
 from datetime import datetime
-from app.services.pipeline import PostCrawlPipeline
+from unittest.mock import AsyncMock, patch
+
+import pytest
+
 from app.crawler.base import CrawlResult, PipelineConfig
+from app.services.pipeline import PostCrawlPipeline
 
 
 @pytest.mark.asyncio