diff --git a/src/components/survey-sale/detail/BasicForm.tsx b/src/components/survey-sale/detail/BasicForm.tsx
index ff284b1..fc5f880 100644
--- a/src/components/survey-sale/detail/BasicForm.tsx
+++ b/src/components/survey-sale/detail/BasicForm.tsx
@@ -96,7 +96,7 @@ export default function BasicForm({ basicInfo, setBasicInfo, mode, session }: Ba
                       id="investigationDate"
                       type="date"
                       className="date-frame"
-                      value={basicInfo?.investigationDate?.toString()}
+                      value={basicInfo?.investigationDate?.toString() ?? ''}
                       onChange={(e) => setBasicInfo({ ...basicInfo, investigationDate: e.target.value })}
                     />
                   </div>