diff --git a/lib/Picker.tsx b/lib/Picker.tsx
index 61d497e..f0887a3 100644
--- a/lib/Picker.tsx
+++ b/lib/Picker.tsx
@@ -89,12 +89,12 @@ function Picker(originalProps: PickerProps, { slots }: SetupContext) {
     return format(date, fmt, { locale: locale.value.formatLocale });
   };
 
-  const parseDate = (value: string, fmt?: string): Date => {
+  const parseDate = (value: string, fmt?: string, defaultDate?: Date): Date => {
     fmt = fmt || props.format;
     if (isPlainObject(props.formatter) && typeof props.formatter.parse === 'function') {
       return props.formatter.parse(value, fmt);
     }
-    const backupDate = new Date();
+    const backupDate = defaultDate || new Date();
     return parse(value, fmt, { locale: locale.value.formatLocale, backupDate });
   };
 
diff --git a/lib/PickerInput.tsx b/lib/PickerInput.tsx
index c1c54f0..79cd50f 100644
--- a/lib/PickerInput.tsx
+++ b/lib/PickerInput.tsx
@@ -24,7 +24,7 @@ export interface PickerInputBaseProps {
 export interface PickerInputProps extends PickerInputBaseProps {
   value: Date | Date[];
   formatDate: (v: Date) => string;
-  parseDate: (v: string) => Date;
+  parseDate: (v: string, fmt?: string, defaultDate?: Date) => Date;
   disabledDate: (v: Date) => boolean;
   onChange: (v: Date | Date[] | null | null[]) => void;
   onFocus: () => void;
@@ -109,7 +109,7 @@ function PickerInput(originalProps: PickerInputProps, { slots }: SetupContext) {
     } else if (props.multiple) {
       date = text.split(innerSeparator.value).map((v) => props.parseDate(v.trim()));
     } else {
-      date = props.parseDate(text);
+      date = props.parseDate(text, undefined, props.value as Date);
     }
     if (isValidValue(date) && !isDisabledValue(date)) {
       props.onChange(date);