diff --git a/Dockerfile b/Dockerfile
index c7e4c06..7c58ac1 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,23 +1,16 @@
-# 选择轻量基础镜像
-FROM python:3.12-slim
+FROM python:3.11-slim
 
-# 1. 建立工作目录
 WORKDIR /app
 
-# 2. 先复制依赖文件，利用缓存
 COPY requirements.txt .
 
-# 3. 安装依赖
 RUN pip install --no-cache-dir -r requirements.txt
 
-# 4. 复制业务代码
 COPY . .
 
-# 5. 声明端口（文档化作用）
 EXPOSE 8000
 
-# 6. 启动命令
-CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
+# CMD ["uvicorn", "main:app", "--host", "0.0.0.0", "--port", "8000"]
 
-CMD ["gunicorn", "-w", "4", "-k", "uvicorn.workers.UvicornWorker", "-b", "0.0.0.0:8000", "main:app"]
+# CMD ["gunicorn", "-w", "4", "-k", "uvicorn.workers.UvicornWorker", "-b", "0.0.0.0:8000", "main:app"]
 CMD ["gunicorn", "--config", "gunicorn.conf.py", "main:app"]
diff --git a/favicon_app/routes/favicon_routes.py b/favicon_app/routes/favicon_routes.py
index ee73e9d..08c6f87 100644
--- a/favicon_app/routes/favicon_routes.py
+++ b/favicon_app/routes/favicon_routes.py
@@ -31,15 +31,15 @@ favicon_router = APIRouter(prefix="", tags=["favicon"])
 @favicon_router.get('/')
 async def get_favicon(
         request: Request,
-        url: Optional[str] = Query(None, description="要获取图标的网址"),
-        refresh: Optional[str] = Query(None, description="是否刷新缓存，'true'或'1'表示刷新")
+        url: Optional[str] = Query(None, description="网址：eg. https://www.baidu.com"),
+        refresh: Optional[str] = Query(None, include_in_schema=False)
 ):
     """获取网站图标"""
     return await _service.get_favicon_handler(request, url, refresh)
 
 
 @favicon_router.get('/icon/default')
-async def get_default_icon(cache_time: int = Query(_service.time_of_1_days, description="缓存时间")):
+async def get_default_icon(cache_time: int = Query(_service.time_of_1_days, include_in_schema=False)):
     """获取默认图标"""
     return Response(content=_default_icon_content,
                     media_type="image/png",
@@ -52,7 +52,7 @@ async def get_count():
     return _service.get_count()
 
 
-@favicon_router.get('/icon/referrer')
+@favicon_router.get('/icon/referrer', include_in_schema=False)
 async def get_referrer():
     """获取请求来源信息"""
     content = 'None'
diff --git a/favicon_app/routes/favicon_service.py b/favicon_app/routes/favicon_service.py
index 52fecb7..948b8b7 100644
--- a/favicon_app/routes/favicon_service.py
+++ b/favicon_app/routes/favicon_service.py
@@ -173,9 +173,6 @@ class FaviconService:
 
         return _cached, cached_icon
 
-    def get_header(self, content_type: str, cache_time: int = None) -> dict:
-        return self._get_header(content_type, cache_time)
-
     def _get_header(self, content_type: str, cache_time: int = None) -> dict:
         """生成响应头"""
         if cache_time is None:
@@ -319,7 +316,9 @@ class FaviconService:
                 # 3. 从网站默认位置获取
                 lambda: ('', "网站默认位置/favicon.ico"),
                 # 4. 从其他api接口获取
-                lambda: (f'https://ico.kucat.cn/get.php?url={entity.get_base_url()}', "第三方API")
+                lambda: (f'https://ico.kucat.cn/get.php?url={entity.get_base_url()}', "第三方API"),
+                # 99. 最后的尝试，cloudflare workers
+                # lambda: (f'https://favicon.cary.cc/?url={entity.get_base_url()}', "cloudflare"),
             ]
 
             for strategy in strategies:
@@ -337,7 +336,6 @@ class FaviconService:
                 icon_content = _cached if _cached else default_icon_content
 
             if icon_content:
-                # Windows路径格式
                 cache_path = os.path.join(icon_root_path, 'icon', entity.domain_md5 + '.png')
                 md5_path = os.path.join(icon_root_path, 'md5', entity.domain_md5 + '.txt')
 
@@ -349,7 +347,6 @@ class FaviconService:
                     # 写入缓存文件
                     file_util.write_file(cache_path, icon_content, mode='wb')
                     file_util.write_file(md5_path, entity.domain, mode='w')
-
                 except Exception as e:
                     logger.error(f"写入缓存文件失败: {e}")
 
@@ -357,7 +354,6 @@ class FaviconService:
                 self.request_icon_count += 1
 
             return icon_content
-
         except Exception as e:
             logger.error(f"获取图标时发生错误 {entity.domain}: {e}")
             return None
@@ -369,7 +365,6 @@ class FaviconService:
 
     def get_icon_background(self, entity: Favicon, _cached: bytes = None) -> None:
         """在后台线程中获取图标"""
-        # 使用线程池执行同步函数
         self.executor.submit(self.get_icon_sync, entity, _cached)
 
     def get_count(self) -> Dict[str, int]:
@@ -384,26 +379,27 @@ class FaviconService:
                 'href_referrer': len(self.href_referrer),
             }
 
-    async def get_favicon_handler(self, request: Request, url: Optional[str] = None,
-                                  refresh: Optional[str] = None) -> Response:
+    async def get_favicon_handler(
+            self,
+            request: Request,
+            url: Optional[str] = None,
+            refresh: Optional[str] = None
+    ) -> dict[str, str] | Response:
         """处理获取图标的请求"""
         with self._lock:
             self.url_count += 1
 
         # 验证URL参数
         if not url:
-            # 如果没有提供URL参数，返回默认图标或提示页面
             return {"message": "请提供url参数"}
 
         try:
-            # 创建Favicon实例
             entity = Favicon(url)
 
             # 验证域名
             if not entity.domain:
                 logger.warning(f"无效的URL: {url}")
-                return Response(content=default_icon_content, media_type="image/x-icon",
-                                headers=self._get_header("", self.time_of_7_days))
+                return self.get_default(self.time_of_7_days)
 
             # 检测并记录referer
             await self._referer(request)
@@ -427,33 +423,38 @@ class FaviconService:
 
                 if self.icon_queue.qsize() > 10:
                     # 如果队列较大，使用后台任务处理
-                    # 在FastAPI中，我们使用BackgroundTasks而不是直接提交到线程池
-                    # 这里保持原有行为，但在实际使用中应考虑使用FastAPI的BackgroundTasks
                     self.get_icon_background(entity, _cached)
                     self._queue_pull(True)
 
-                    # 返回默认图标，但不缓存
-                    return Response(content=default_icon_content, media_type="image/x-icon",
-                                    headers=self._get_header("", 0))
+                    # 返回默认图标，不缓存
+                    return self.get_default(0)
                 else:
                     # 直接处理请求
                     icon_content = self.get_icon_sync(entity, _cached)
                     self._queue_pull(True)
 
                     if not icon_content:
-                        # 获取失败，返回默认图标，但不缓存
-                        return Response(content=default_icon_content, media_type="image/x-icon",
-                                        headers=self._get_header("", 0))
+                        # 获取失败，返回默认图标，不缓存
+                        return self.get_default(0)
 
             # 确定内容类型和缓存时间
             content_type = filetype.guess_mime(icon_content) if icon_content else ""
-            cache_time = self.time_of_1_hours * random.randint(1, 6) if self._is_default_icon_byte(
-                icon_content) else self.time_of_7_days
+            cache_time = self.time_of_1_hours * random.randint(1, 6) if self._is_default_icon_byte(icon_content) else self.time_of_7_days
 
-            return Response(content=icon_content, media_type=content_type if content_type else "image/x-icon",
+            return Response(content=icon_content,
+                            media_type=content_type if content_type else "image/x-icon",
                             headers=self._get_header(content_type, cache_time))
-
         except Exception as e:
             logger.error(f"处理图标请求时发生错误 {url}: {e}")
-            # 发生异常时返回默认图标
-            return Response(content=default_icon_content, media_type="image/x-icon", headers=self._get_header("", 0))
+            # 返回默认图标
+            return self.get_default(0)
+
+    def get_header(self, content_type: str, cache_time: int = None) -> dict:
+        return self._get_header(content_type, cache_time)
+
+    def get_default(self, cache_time: int = None) -> Response:
+        if cache_time is None:
+            cache_time = self.time_of_1_days
+        return Response(content=default_icon_content,
+                        media_type="image/png",
+                        headers=self._get_header("image/png", cache_time))
diff --git a/gunicorn.conf.py b/gunicorn.conf.py
index 83ddb95..fd83a73 100644
--- a/gunicorn.conf.py
+++ b/gunicorn.conf.py
@@ -1,4 +1,4 @@
-# gunicorn.conf.py
+# -*- coding: utf-8 -*-
 
 # 绑定地址和端口
 bind = "0.0.0.0:8000"
diff --git a/main.py b/main.py
index 824f722..7691f3f 100644
--- a/main.py
+++ b/main.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+
 import logging
 import os
 import sys
@@ -22,20 +23,20 @@ favicon_icon_file = FileUtil.read_file(os.path.join(current_dir, 'favicon.ico'),
 default_icon_file = FileUtil.read_file(os.path.join(current_dir, 'favicon.png'), mode='rb')
 
 # fastapi
-app = FastAPI(title="Favicon API", description="获取网站favicon图标")
+app = FastAPI(title="Favicon API", description="获取网站favicon图标", version="3.0.0")
 app.include_router(favicon_router)
 
 
-@app.get("/")
+# @app.get("/")
 async def root():
     return {"message": "Welcome to Favicon API! Use /icon/?url=example.com to get favicon."}
 
 
-@app.get("/favicon.ico")
+@app.get("/favicon.ico", summary="favicon.ico", tags=["default"])
 async def favicon_ico():
     return Response(content=favicon_icon_file, media_type="image/x-icon")
 
 
-@app.get("/favicon.png")
+@app.get("/favicon.png", summary="favicon.png", tags=["default"])
 async def favicon_png():
     return Response(content=default_icon_file, media_type="image/png")
diff --git a/run.py b/run.py
index ff009ed..f62c62f 100644
--- a/run.py
+++ b/run.py
@@ -7,11 +7,9 @@ if __name__ == "__main__":
         "main:app",
         host="127.0.0.1",
         port=8000,
-        reload=True,
+        reload=False,
         log_level="info",
         workers=1,
-        access_log=True,
-        timeout_keep_alive=5,
     )
     server = uvicorn.Server(config)
     server.run()