docs(cn): resolve all conflicts.

Author: tangmengyu.amber

config/preview-options.md

@@ -74,14 +74,10 @@ export default defineConfig({
 - **类型：** `boolean | CorsOptions`
 - **默认：** [`server.cors`](#server_proxy)
 
-<<<<<<< HEAD
 为开发服务器配置 CORS。此功能默认启用并支持任何来源。可传递一个 [options 对象](https://github.com/expressjs/cors) 来进行配置，或者传递 `false` 来禁用此行为。
-=======
-Configure CORS for the preview server. This is enabled by default and allows any origin. Pass an [options object](https://github.com/expressjs/cors) to fine tune the behavior or `false` to disable.
 
-## preview.headers
+## preview.headers {#preview-headers}
 
-- **Type:** `OutgoingHttpHeaders`
+- **类型：** `OutgoingHttpHeaders`
 
-Specify server response headers.
->>>>>>> 1dd27f6f1caeafe48b979c4e7dd38daea456960e
+指明服务器返回的响应头。