diff --git a/views/index.ejs b/views/index.ejs
index b564e2706316896c002f3e648e5fa5a3582c664d..a76ee03d8e721d0aa6ad186c61943d2011388dbd 100644
--- a/views/index.ejs
+++ b/views/index.ejs
@@ -42,7 +42,15 @@
 
       // React.useEffect(() => {
       // }, [ready, error])
-
+      
+      React.useEffect(() => {
+        axios.post('/get_promotion')
+        .then(result => {
+          setPromotionMin(result.data.promotion);
+          setPromotionMax(result.data.promotion);
+        })
+      }, [])
+      
       React.useEffect(() => {
         setReady(false);
         setError(false);