diff --git a/src/components/MarkTypeStrategy/DateTime/Input.tsx b/src/components/MarkTypeStrategy/DateTime/Input.tsx
index fa68438..b2e864c 100644
--- a/src/components/MarkTypeStrategy/DateTime/Input.tsx
+++ b/src/components/MarkTypeStrategy/DateTime/Input.tsx
@@ -6,10 +6,9 @@ export const MarkInputDateTime = ({ handler, placeholder }: MarkInputProps) => {
   const ref = useRef<HTMLInputElement>(null)
   useEffect(() => {
     if (ref.current) {
-      ref.current.value = new Date().toISOString().slice(0, 16)
-      if (ref.current.valueAsDate) {
-        handler(ref.current.valueAsDate.toUTCString())
-      }
+      const date = new Date()
+      ref.current.value = date.toISOString().slice(0, 16)
+      handler(date.toUTCString())
     }
   }, [handler])
   return (