fix(date-picker): over parse when valueType is Date (#3127)

* fix(date-picker): over parse when valueType is Date

* chore: fix lint

src/date-picker/DatePicker.tsx

@@ -1,6 +1,7 @@
 import { defineComponent, watch, computed } from 'vue';
 import dayjs from 'dayjs';
 import { CalendarIcon as TdCalendarIcon } from 'tdesign-icons-vue';
+import isDate from 'lodash/isDate';
 
 import { usePrefixClass } from '../hooks/useConfig';
 import { useGlobalIcon } from '../hooks/useGlobalIcon';
@@ -51,7 +52,10 @@ export default defineComponent({
     const isDisabled = computed(() => formDisabled.value || props.disabled);
 
     watch(popupVisible, (visible) => {
-      const dateValue = value.value ? covertToDate(value.value as string, formatRef.value?.valueType) : value.value;
+      // Date valueType add empty string don't need to be parsed
+      const dateValue = value.value && !isDate(value.value)
+        ? covertToDate(value.value as string, formatRef.value?.valueType)
+        : value.value;
 
       cacheValue.value = formatDate(dateValue, {
         format: formatRef.value.format,