diff --git a/internal/handler/proxy.go b/internal/handler/proxy.go
index d7f7086..b3a25cc 100644
--- a/internal/handler/proxy.go
+++ b/internal/handler/proxy.go
@@ -104,21 +104,51 @@ func (h *ProxyHandler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 	proxyReq, err := http.NewRequest(r.Method, targetURL, r.Body)
 	if err != nil {
 		http.Error(w, "Error creating proxy request", http.StatusInternalServerError)
-		log.Printf("[%s] %s %s -> 500 (error: %v) [%v]",
-			utils.GetClientIP(r), r.Method, r.URL.Path, err, time.Since(startTime))
 		return
 	}
 
-	// 复制原始请求的 header
+	// 复制所有原始请求头
 	copyHeader(proxyReq.Header, r.Header)
 
-	// 设置必要的头部，使用目标站点的 Host
+	// 特别确保这些重要的头部被正确传递
+	if accept := r.Header.Get("Accept"); accept != "" {
+		proxyReq.Header.Set("Accept", accept)
+	}
+	// 其他可能影响图片优化的重要头部
+	importantHeaders := []string{
+		"Accept-Encoding",
+		"User-Agent",
+		"Viewport-Width",
+		"Width",
+		"DPR",
+		"Device-Memory",
+		"Save-Data",
+		"Sec-CH-DPR",
+		"Sec-CH-Width",
+		"Sec-CH-Viewport-Width",
+		"Sec-CH-Device-Memory",
+	}
+	for _, header := range importantHeaders {
+		if value := r.Header.Get(header); value != "" {
+			proxyReq.Header.Set(header, value)
+		}
+	}
+
+	// 设置必要的代理头部
 	proxyReq.Host = parsedURL.Host
 	proxyReq.Header.Set("Host", parsedURL.Host)
 	proxyReq.Header.Set("X-Real-IP", utils.GetClientIP(r))
 	proxyReq.Header.Set("X-Forwarded-Host", r.Host)
 	proxyReq.Header.Set("X-Forwarded-Proto", r.URL.Scheme)
 
+	// 如果是图片请求，添加 Cloudflare-specific 头部
+	if utils.IsImageRequest(r.URL.Path) {
+		// 保持原始的 Accept 头部，让 Cloudflare 可以根据客户端支持的格式来优化
+		if accept := r.Header.Get("Accept"); accept != "" {
+			proxyReq.Header.Set("Accept", accept)
+		}
+	}
+
 	// 添加或更新 X-Forwarded-For
 	if clientIP := utils.GetClientIP(r); clientIP != "" {
 		if prior := proxyReq.Header.Get("X-Forwarded-For"); prior != "" {
diff --git a/internal/utils/utils.go b/internal/utils/utils.go
index 8984bc8..b5af158 100644
--- a/internal/utils/utils.go
+++ b/internal/utils/utils.go
@@ -4,6 +4,7 @@ import (
 	"fmt"
 	"net"
 	"net/http"
+	"path/filepath"
 	"strings"
 )
 
@@ -44,3 +45,17 @@ func FormatBytes(bytes int64) string {
 		return fmt.Sprintf("%d Bytes", bytes)
 	}
 }
+
+// 判断是否是图片请求
+func IsImageRequest(path string) bool {
+	ext := strings.ToLower(filepath.Ext(path))
+	imageExts := map[string]bool{
+		".jpg":  true,
+		".jpeg": true,
+		".png":  true,
+		".gif":  true,
+		".webp": true,
+		".avif": true,
+	}
+	return imageExts[ext]
+}
diff --git a/readme.md b/readme.md
index f9a3776..6915bf1 100644
--- a/readme.md
+++ b/readme.md
@@ -10,6 +10,7 @@ A simple reverse proxy server written in Go.
 2. 不同路径代理不同站点
 3. 回源Host修改
 4. 大文件使用流式传输, 小文件直接提供
+5. 可以按照文件后缀名代理不同站点, 方便图片处理等
 
 
 ## TIPS