diff --git a/ruoyi-ui/src/views/JiHeExpressway/pages/perception/eventDetection/statistics/data.js b/ruoyi-ui/src/views/JiHeExpressway/pages/perception/eventDetection/statistics/data.js
index 7d7f05dd..80a5d392 100644
--- a/ruoyi-ui/src/views/JiHeExpressway/pages/perception/eventDetection/statistics/data.js
+++ b/ruoyi-ui/src/views/JiHeExpressway/pages/perception/eventDetection/statistics/data.js
@@ -262,7 +262,16 @@ export const searchFormList = [
       type: "datetimerange",
       format: "yyyy-MM-dd HH:mm:ss",
       valueFormat: "yyyy-MM-dd HH:mm:ss",
+      pickerOptions:{
+        disabledDate(time) {
+          return time.getTime() > Date.now() || time.getTime()<new Date(moment().subtract(3, "months").format("YYYY-MM-DD HH:mm:ss"));
+        },
+      }
     },
+    default: [
+      moment().startOf("month").format("YYYY-MM-DD HH:mm:ss"),
+      moment().format("YYYY-MM-DD HH:mm:ss"),
+    ],
   },
   {
     ...station,