修复账期索引在切换企业后大于账期列表数量的BUG

src/views/Bill/index.vue

@@ -477,6 +477,7 @@ export default {
       const localPerIndex = this.getCurPerIndex;
       const localPerIndex = this.getCurPerIndex;
 
 
       if (localPerIndex && localPerIndex != "undefined") {
       if (localPerIndex && localPerIndex != "undefined") {
+        localPerIndex=localPerIndex>this.period.length-1?this.period.length-1:localPerIndex;
         this.currentPerIndex = localPerIndex;
         this.currentPerIndex = localPerIndex;
         this.currentPerId = this.period[localPerIndex].id;
         this.currentPerId = this.period[localPerIndex].id;
         this.currentPerName = this.period[localPerIndex].name;
         this.currentPerName = this.period[localPerIndex].name;