default value of voluntaryData update

src/views/career/zhiyuan/components/SimulateScore.vue

@@ -69,7 +69,7 @@ export default {
       voluntaryData: {
         isNewGaokao: false,
         minScore: 0,
-        maxScore: 0,
+        maxScore: 750,
         course0: [],
         course1: []
       },