From 8a43f4406a5182e10e62614d00f0be86eb2d4d72 Mon Sep 17 00:00:00 2001
From: hhs <386998068@qq.com>
Date: Sun, 21 Jun 2026 22:16:38 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E6=B7=BB=E5=8A=A0=E9=99=90=E6=B5=81?=
 =?UTF-8?q?=E8=A7=A6=E5=8F=91=E6=97=A5=E5=BF=97?=
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---
 backend/internal/ratelimit/middleware.go | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/backend/internal/ratelimit/middleware.go b/backend/internal/ratelimit/middleware.go
index dceeee5..fe8708a 100644
--- a/backend/internal/ratelimit/middleware.go
+++ b/backend/internal/ratelimit/middleware.go
@@ -5,6 +5,8 @@ import (
 	"net/http"
 
 	"github.com/gin-gonic/gin"
+
+	"github.com/hhs/camtalk/internal/trace"
 )
 
 // Middleware 返回 Gin 中间件，按 key 维度限流。
@@ -26,6 +28,13 @@ func Middleware(limiter Limiter, keyFunc func(*gin.Context) string) gin.HandlerF
 		allowed, retryAfter := limiter.Allow(c.Request.Context(), key)
 
 		if !allowed {
+			log := trace.FromContext(c.Request.Context())
+			log.Warnw("rate limited",
+				"client_ip", c.ClientIP(),
+				"path", c.Request.URL.Path,
+				"limit_key", key,
+				"retry_after_sec", int(retryAfter.Seconds()+0.5))
+
 			// 设置 Retry-After header（秒）
 			c.Header("Retry-After", fmt.Sprintf("%d", int(retryAfter.Seconds()+0.5)))