diff --git a/consensus/XDPoS/engines/engine_v2/engine.go b/consensus/XDPoS/engines/engine_v2/engine.go
index b808a56236f1..8a855e2d2a82 100644
--- a/consensus/XDPoS/engines/engine_v2/engine.go
+++ b/consensus/XDPoS/engines/engine_v2/engine.go
@@ -393,7 +393,7 @@ func (x *XDPoS_v2) Finalize(chain consensus.ChainReader, header *types.Header, s
 		if len(common.StoreRewardFolder) > 0 {
 			data, err := json.Marshal(rewards)
 			if err == nil {
-				err = os.WriteFile(filepath.Join(common.StoreRewardFolder, header.Number.String()+"."+header.Hash().Hex()), data, 0644)
+				err = os.WriteFile(filepath.Join(common.StoreRewardFolder, header.Number.String()), data, 0644)
 			}
 			if err != nil {
 				log.Error("Error when save reward info ", "number", header.Number, "hash", header.Hash().Hex(), "err", err)
diff --git a/eth/api_backend.go b/eth/api_backend.go
index 183a0f1f4485..e549d7bd40ff 100644
--- a/eth/api_backend.go
+++ b/eth/api_backend.go
@@ -408,25 +408,19 @@ func (b *EthApiBackend) StateAtBlock(ctx context.Context, block *types.Block, re
 
 func (s *EthApiBackend) GetRewardByHash(hash common.Hash) map[string]map[string]map[string]*big.Int {
 	header := s.eth.blockchain.GetHeaderByHash(hash)
+	err := errors.New("header hash not found")
 	if header != nil {
-		data, err := os.ReadFile(filepath.Join(common.StoreRewardFolder, header.Number.String()+"."+header.Hash().Hex()))
+		data, err := os.ReadFile(filepath.Join(common.StoreRewardFolder, header.Number.String()))
 		if err == nil {
 			rewards := make(map[string]map[string]map[string]*big.Int)
 			err = json.Unmarshal(data, &rewards)
 			if err == nil {
+				log.Error("[GetRewardByHash] file found and returning rewards", "blocknum", header.Number.String())
 				return rewards
 			}
-		} else {
-			data, err = os.ReadFile(filepath.Join(common.StoreRewardFolder, header.Number.String()+"."+header.HashNoValidator().Hex()))
-			if err == nil {
-				rewards := make(map[string]map[string]map[string]*big.Int)
-				err = json.Unmarshal(data, &rewards)
-				if err == nil {
-					return rewards
-				}
-			}
 		}
 	}
+	log.Error("[GetRewardByHash]", "err", err)
 	return make(map[string]map[string]map[string]*big.Int)
 }