diff --git a/src/components/estimate/Estimate.jsx b/src/components/estimate/Estimate.jsx
index b5d8bce0..18fd2343 100644
--- a/src/components/estimate/Estimate.jsx
+++ b/src/components/estimate/Estimate.jsx
@@ -1188,7 +1188,7 @@ export default function Estimate({}) {
                         <input
                           type="text"
                           className="input-light"
-                          value={estimateContextState?.charger}
+                          value={estimateContextState?.charger || ''}
                           onBlur={handleBlurCharger}
                           onChange={handleBlurCharger}
                         />
@@ -1206,7 +1206,7 @@ export default function Estimate({}) {
                           <input
                             type="text"
                             className="input-light"
-                            value={estimateContextState?.objectName}
+                            value={estimateContextState?.objectName || ''}
                             onBlur={handleBlurObjectName}
                             onChange={handleBlurObjectName}
                           />
@@ -1297,13 +1297,13 @@ export default function Estimate({}) {
                         //사양시공
                         let constructSpecificationMulti = estimateContextState?.constructSpecificationMulti?.split('、')
                         return (
-                          <div className={`form-flex-wrap ${style}`} key={`roof_${row}`}>
+                          <div className={`form-flex-wrap ${style}`} key={`roof_${index}_${row}`}>
                             <div className="input-wrap mr5" style={{ width: '610px' }}>
-                              <input type="text" className="input-light" value={roofList} readOnly />
+                              <input type="text" className="input-light" value={roofList || ''} readOnly />
                             </div>
                             {constructSpecificationMulti ? (
                               <div className="input-wrap" style={{ width: '200px' }}>
-                                <input type="text" className="input-light" value={constructSpecificationMulti[index]} readOnly />
+                                <input type="text" className="input-light" value={constructSpecificationMulti[index] || ''} readOnly />
                               </div>
                             ) : null}
                           </div>
@@ -1316,7 +1316,6 @@ export default function Estimate({}) {
                     <th>{getMessage('estimate.detail.remarks')}</th>
                     <td colSpan={3}>
                       <div className="input-wrap">
-                        {/* <input type="text" className="input-light" defaultValue={estimateContextState?.remarks || ''} onBlur={handleBlurRemarks} /> */}
                         <input
                           type="text"
                           className="input-light"