From 991ae4834c1004ef1e9c56a9c3e285174be50b23 Mon Sep 17 00:00:00 2001
From: hhs <386998068@qq.com>
Date: Sat, 13 Jun 2026 15:18:11 +0800
Subject: [PATCH] =?UTF-8?q?docs:=20Phase=201=20=E7=A7=BB=E9=99=A4=20CORS?=
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- CORS 由 Nginx 反向代理统一处理，不在后端实现
---
 docs/PLAN_BACKEND.md | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/docs/PLAN_BACKEND.md b/docs/PLAN_BACKEND.md
index a696571..a069e09 100644
--- a/docs/PLAN_BACKEND.md
+++ b/docs/PLAN_BACKEND.md
@@ -20,8 +20,9 @@
 | 1.2 | 实现错误码常量 + WS 错误发送工具 | `internal/errors/codes.go` | 10 个错误码常量 + `SendWSError(client, code, requestID, err)` |
 | 1.3 | main.go 接入 config.Load() | `cmd/server/main.go` | 用 `cfg.Server.Host:Port` 替换硬编码 `:8080`，初始化 logger |
 | 1.4 | 添加 graceful shutdown | `cmd/server/main.go` | `signal.NotifyContext` + `http.Server.Shutdown`，10s drain |
-| 1.5 | 添加 CORS 中间件 | `cmd/server/main.go` | 开发阶段允许所有来源，生产走 Nginx 同源 |
-| 1.6 | 添加 .gitignore | `backend/.gitignore` | 排除 `server` 二进制、`.env`、`tmp/` |
+| 1.5 | 添加 .gitignore | `backend/.gitignore` | 排除 `server` 二进制、`.env`、`tmp/` |
+
+> **CORS**：不在此处实现，生产环境由 Nginx 反向代理统一处理跨域。
 
 ---