diff --git a/src/client/index.js b/src/client/index.js
index 46a8a69..5234afc 100644
--- a/src/client/index.js
+++ b/src/client/index.js
@@ -7,6 +7,7 @@ function init() {
   Object.assign(wrapper.style, {
     display: 'none',
     position: 'fixed',
+    color: '#000',
     top: '0',
     left: '0',
     width: '100vw',
@@ -39,5 +40,5 @@ async function check() {
 }
 
 init()
-setInterval(check, 5000)
+setInterval(check, 2000)
 check()