diff --git a/src/view/sy.vue b/src/view/sy.vue
index 7e8a270..c35acc0 100644
--- a/src/view/sy.vue
+++ b/src/view/sy.vue
@@ -1429,7 +1429,7 @@ const colorList = [
   { color2: "rgba(76,174,254,1)" },
 ];
 const bt = computed(() => {
-  return function (index) {
+  return (index)=> {
     let str = `--i:${colorList[index].color2}`;
     return str;
   };