diff --git a/src/views/page/dataAnalysis.vue b/src/views/page/dataAnalysis.vue
index 026f545..db35c55 100644
--- a/src/views/page/dataAnalysis.vue
+++ b/src/views/page/dataAnalysis.vue
@@ -100,6 +100,23 @@ export default {
             }, 0);
 
         },
+        yesterdayTime() {
+            // 获取当前日期
+            var today = new Date();
+
+            // 获取昨天的日期
+            var yesterday = new Date(today);
+            yesterday.setDate(today.getDate() - 1);
+
+            // 设置时间为00:00
+            yesterday.setHours(0, 0, 0, 0);
+            var start = yesterday.toISOString();
+
+            // 设置时间为23:59
+            yesterday.setHours(23, 59, 59, 999);
+            var end = yesterday.toISOString();
+            this.dateRange = [start, end]
+        },
         getData() {
             var store = this.$store.state
             var index = store.equipmentIndex;