feat: 优化账单列表筛选账期默认值

src/views/finance/financeList.vue

@@ -191,14 +191,19 @@ export default {
     }
   },
   created() {
-    const date = new Date()
-    const year = date.getFullYear()
-    const month = date.getMonth() + 1
-    this.$set(this.listQuery, 'accountPeriod', year + '-' + (month < 10 ? `0${month}` : month))
+    this.$set(this.listQuery, 'accountPeriod', this.getPreviousMonthYear())
     this.getList()
   },
 
   methods: {
+    getPreviousMonthYear() {
+      const now = new Date()
+      const previousMonth = new Date(now.getFullYear(), now.getMonth() - 1, 1)
+      const month = previousMonth.getMonth() + 1
+      const year = previousMonth.getFullYear()
+      const time = year + '-' + (month < 10 ? `0${month}` : month)
+      return time
+    },
     handleOnChange(value) {
       console.log('===', value)
     },