diff --git a/frontend/dashboard/src/pages/CustomerService/FinalLog/Detail.tsx b/frontend/dashboard/src/pages/CustomerService/FinalLog/Detail.tsx
index 722c70e0..a3f32953 100644
--- a/frontend/dashboard/src/pages/CustomerService/FinalLog/Detail.tsx
+++ b/frontend/dashboard/src/pages/CustomerService/FinalLog/Detail.tsx
@@ -421,7 +421,7 @@ export default function Detail() {
                         <hr/>
                         <br/>
                     {requestLog?.benefit_data && requestLog.benefit_data.length > 0 ? (
-                        <Box key={0} sx={{ border: '1px solid rgba(0,0,0,0.125)', px: '24px', py: '20px', marginBottom: '24px', borderRadius: '12px'}}> 
+                        <Box key={requestLog.benefit_data.length+1} sx={{ border: '1px solid rgba(0,0,0,0.125)', px: '24px', py: '20px', marginBottom: '24px', borderRadius: '12px'}}> 
                             <Grid container spacing={2}>
                                 <Grid item xs={12}>
                                     <Grid container spacing={2}>