diff --git a/curlx.go b/curlx.go
index cf8907b..ecb36ae 100644
--- a/curlx.go
+++ b/curlx.go
@@ -182,7 +182,9 @@ func (c *Curlx) SendWithResponee(ctx context.Context, ps ...Param) Response {
 			if n == 0 {
 				break
 			}
-			body = append(body, buf...)
+			// 读取n个字节
+			body = append(body, buf[:n]...)
+			// body = append(body, buf...)
 		}
 	default:
 		body, _ = io.ReadAll(resp.Body)
diff --git a/params.go b/params.go
index a295159..80cced1 100644
--- a/params.go
+++ b/params.go
@@ -106,6 +106,15 @@ func SetUserAgent(userAgent UserAgent) Param {
 	}
 }
 
+/**
+ * 设置Referer
+ */
+func SetReferer(referer string) Param {
+	return func(param *ClientParams) {
+		param.Headers["Referer"] = referer
+	}
+}
+
 /**
  * 设置cookies
  */
diff --git a/post.go b/post.go
new file mode 100644
index 0000000..ef6e8c1
--- /dev/null
+++ b/post.go
@@ -0,0 +1,10 @@
+package curlx
+
+import (
+	"io"
+	"net/http"
+)
+
+func Post(url string, contentType string, body io.Reader) (resp *http.Response, err error) {
+	return http.Post(url, contentType, body)
+}