diff --git a/packages/theme-default/src/date-picker/date-picker.css b/packages/theme-default/src/date-picker/date-picker.css
index 9bc4eaa2e..01cd238a6 100644
--- a/packages/theme-default/src/date-picker/date-picker.css
+++ b/packages/theme-default/src/date-picker/date-picker.css
@@ -16,7 +16,9 @@
     &.has-time {
       min-width: 324px;
     }
-
+    &.has-time .el-picker-panel__body-wrapper {
+      position: relative;
+    }
     .el-picker-panel__content {
       min-width: 224px;
     }