diff --git a/myhttp/httpc/httpclient.go b/myhttp/httpc/httpclient.go
index 351e4f5..65fc6bd 100644
--- a/myhttp/httpc/httpclient.go
+++ b/myhttp/httpc/httpclient.go
@@ -60,7 +60,7 @@ type Request struct {
 	ctx         context.Context
 	header      http.Header
 	body        any
-	query       map[string]string
+	query       map[string][]string
 	httpClient  *HttpClient
 	contentType string
 }
@@ -151,15 +151,15 @@ func (r *Request) SetBody(body any) *Request {
 	return r
 }
 
-func (r *Request) SetQueryParam(k, v string) *Request {
+func (r *Request) SetQueryParam(k string, v []string) *Request {
 	if r.query == nil {
-		r.query = make(map[string]string)
+		r.query = make(map[string][]string)
 	}
 	r.query[k] = v
 	return r
 }
 
-func (r *Request) SetQueryParams(params map[string]string) *Request {
+func (r *Request) SetQueryParams(params map[string][]string) *Request {
 	for k, v := range params {
 		r.SetQueryParam(k, v)
 	}
@@ -220,7 +220,9 @@ func (r *Request) Do(method, rawUrl string) (*Response, error) {
 	query := req.URL.Query()
 
 	for k, v := range r.query {
-		query.Add(k, v)
+		for _, vv := range v {
+			query.Add(k, vv)
+		}
 	}
 
 	req.URL.RawQuery = query.Encode()