diff --git a/src/components/date-time-range-picker-ext.vue b/src/components/date-time-range-picker-ext.vue
index 5c3a9a8..12f7a7d 100644
--- a/src/components/date-time-range-picker-ext.vue
+++ b/src/components/date-time-range-picker-ext.vue
@@ -4,6 +4,7 @@
         start-placeholder="开始时间"
         end-placeholder="结束时间"
         value-format="YYYY-MM-DD HH:mm:ss"
+        :default-time="[new Date(2000, 0, 1, 0, 0, 0), new Date(2000, 0, 1, 23, 59, 59)]"
         :shortcuts="shortcuts"
         :unlink-panels="true"
     />