diff --git a/params.go b/params.go
index 80cced1..6075dee 100644
--- a/params.go
+++ b/params.go
@@ -97,6 +97,15 @@ func SetParamsHeaders(h map[string]interface{}) Param {
 	}
 }
 
+/**
+ * 设置请求头
+ */
+func SetParamsHeader(key, value string) Param {
+	return func(param *ClientParams) {
+		param.Headers[key] = value
+	}
+}
+
 /**
  * 设置UserAgent
  */