Update setting.ts

src/views/tempo-practice/setting.ts

@@ -84,7 +84,7 @@ export const randomScoreElement = (element?: string) => {
 export const elementDirection = (type: string, index: number) => {
   const prefix = setting.element === 'jianpu' ? 'j-' : 'f-';
   let ele = '';
-  let i = index;
+  let i = Number(index);
   const tempoList = setting.tempo;
   if (type === 'up') {
     if (index <= 0) {
@@ -104,9 +104,10 @@ export const elementDirection = (type: string, index: number) => {
     }
   }
 
+  console.log(ele, Number(index), type, i);
   return {
     url: prefix + ele + '.png',
-    index: i
+    index: Number(ele)
   };
 };