diff --git a/main.go b/main.go
index 2a24e1c..9083d1e 100644
--- a/main.go
+++ b/main.go
@@ -9,6 +9,7 @@ import (
 	"strings"
 	"text/template"
 	"time"
+	"net/url"
 
 	"github.com/canhlinh/svg2png"
 	"github.com/patrickmn/go-cache"