diff --git a/.gitignore b/.gitignore
index 7023a7b..2c8c1e5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,4 +15,5 @@
 # vendor/
 data/code/*.go
 data/images/*.png
-code2img
\ No newline at end of file
+code2img
+.idea
diff --git a/main.go b/main.go
index c64e5b8..cd84b85 100644
--- a/main.go
+++ b/main.go
@@ -130,7 +130,7 @@ func render(imgfile, code string) error {
 		values.Set(k, v)
 	}
 	codeparam := url.Values{}
-	codeparam.Set("code", code)
+	codeparam.Set("code", url.PathEscape(code))
 
 	ctx, cancel := context.WithTimeout(context.Background(), time.Second*10)
 	defer cancel()