fix Find client url

chord/httpnode/client.go

@@ -27,7 +27,7 @@ func (cl *Client) Find(ctx context.Context, s chord.Peer, id chord.ID) (chord.Pe
 	url := url.URL{
 		Scheme:   "http",
 		Host:     addr.String(),
-		Path:     path.Join("/", cl.APIBase, "succ"),
+		Path:     path.Join("/", cl.APIBase, "key"),
 		RawQuery: url.Values{"s": {id.String()}}.Encode(),
 	}
 	req, err := http.NewRequestWithContext(ctx, "GET", url.String(), nil)