diff --git a/src/components/estimate/Estimate.jsx b/src/components/estimate/Estimate.jsx
index 470f2e73..158e49eb 100644
--- a/src/components/estimate/Estimate.jsx
+++ b/src/components/estimate/Estimate.jsx
@@ -1465,7 +1465,9 @@ export default function Estimate({ params }) {
                                   <input
                                     type="text"
                                     className="input-light al-r"
-                                    value={convertNumberToPriceDecimal(item?.showSalePrice === '0' ? null : item?.salePrice?.replaceAll(',', ''))}
+                                    defaultValue={convertNumberToPriceDecimal(
+                                      item?.showSalePrice === '0' ? null : item?.salePrice?.replaceAll(',', ''),
+                                    )}
                                     disabled={
                                       estimateContextState?.estimateType === 'YJSS'
                                         ? item?.paDispOrder
diff --git a/src/hooks/floorPlan/estimate/useEstimateController.js b/src/hooks/floorPlan/estimate/useEstimateController.js
index 93e22b5c..82e07f0a 100644
--- a/src/hooks/floorPlan/estimate/useEstimateController.js
+++ b/src/hooks/floorPlan/estimate/useEstimateController.js
@@ -203,7 +203,7 @@ export const useEstimateController = (planNo) => {
       //1. 첨부파일 저장시작
       const formData = new FormData()
       estimateData.tempFileList.forEach((file) => {
-        formData.append('file', file)
+        formData.append('files', file)
       })
       // formData.append('file', estimateData.flieList)
       formData.append('objectNo', estimateData.objectNo)