Update routers/install/routes.go

Co-authored-by: Jason Song <[email protected]>

Author: wxiaoguang

routers/install/routes.go

@@ -123,5 +123,5 @@ func installNotFound(w http.ResponseWriter, req *http.Request) {
 	// do not use 30x status, because the "post-install" page needs to use 404/200 to detect if Gitea has been installed.
 	// the fetch API could follow 30x requests to the page with 200 status.
 	w.WriteHeader(http.StatusNotFound)
-	_, _ = w.Write([]byte(fmt.Sprintf(`Not Found. <a href="%s">Go to default page</a>.`, html.EscapeString(setting.AppSubURL+"/"))))
+	_, _ = fmt.Fprintf(w, `Not Found. <a href="%s">Go to default page</a>.`, html.EscapeString(setting.AppSubURL+"/"))
 }