diff --git a/packages/core/client/src/schema-component/antd/date-picker/DatePicker.tsx b/packages/core/client/src/schema-component/antd/date-picker/DatePicker.tsx
index 6f213b508e..d097dfc4ad 100644
--- a/packages/core/client/src/schema-component/antd/date-picker/DatePicker.tsx
+++ b/packages/core/client/src/schema-component/antd/date-picker/DatePicker.tsx
@@ -101,7 +101,7 @@ DatePicker.RangePicker = function RangePicker(props: any) {
     ...props,
     format: getDateTimeFormat(targetPicker, targetDateFormat, showTime, timeFormat),
     picker: targetPicker,
-    showTime: showTime ? { defaultValue: [dayjs('00:00:00', 'HH:mm:ss'), dayjs('00:00:00', 'HH:mm:ss')] } : false,
+    showTime: showTime ? { defaultValue: [dayjs('00:00:00', 'HH:mm:ss'), dayjs('23:59:59', 'HH:mm:ss')] } : false,
   };
   const [stateProps, setStateProps] = useState(newProps);
   if (isFilterAction) {
diff --git a/packages/core/utils/src/date.ts b/packages/core/utils/src/date.ts
index f6d9a80cbc..c68cdf8154 100644
--- a/packages/core/utils/src/date.ts
+++ b/packages/core/utils/src/date.ts
@@ -229,7 +229,7 @@ export const getPickerFormat = (picker) => {
 export const getDateTimeFormat = (picker, format, showTime, timeFormat) => {
   if (picker === 'date') {
     if (showTime) {
-      return format + timeFormat || 'HH:mm:ss';
+      return `${format} ${timeFormat || 'HH:mm:ss'}`;
     }
     return format;
   }