diff --git a/proxy/handler.go b/proxy/handler.go
index f14c94d..6598ac9 100644
--- a/proxy/handler.go
+++ b/proxy/handler.go
@@ -158,8 +158,9 @@ func (h *ProxyHandler) rewriteContent(body []byte, targetURL, contentType string
 func (h *ProxyHandler) readResponseBody(resp *http.Response) ([]byte, error) {
     var reader io.Reader = resp.Body
     
-    // 处理 gzip 压缩
-    if resp.Header.Get("Content-Encoding") == "gzip" {
+    // 处理各种压缩格式
+    encoding := strings.ToLower(resp.Header.Get("Content-Encoding"))
+    if strings.Contains(encoding, "gzip") {
         gzReader, err := gzip.NewReader(resp.Body)
         if err != nil {
             return nil, err