diff --git a/common/types/message/message.go b/common/types/message/message.go
index 596c13f875..c7db53704a 100644
--- a/common/types/message/message.go
+++ b/common/types/message/message.go
@@ -10,12 +10,6 @@ import (
 	"github.com/scroll-tech/go-ethereum/common/hexutil"
 )
 
-const (
-	EuclidV2Fork = "euclidV2"
-
-	EuclidV2ForkNameForProver = "euclidv2"
-)
-
 // ProofType represents the type of task.
 type ProofType uint8
 
diff --git a/coordinator/cmd/api/app/mock_app.go b/coordinator/cmd/api/app/mock_app.go
index e9181a34cd..28c6897d3b 100644
--- a/coordinator/cmd/api/app/mock_app.go
+++ b/coordinator/cmd/api/app/mock_app.go
@@ -93,7 +93,7 @@ func (c *CoordinatorApp) MockConfig(store bool) error {
 			MinProverVersion: "v4.4.89",
 			Verifiers: []coordinatorConfig.AssetConfig{{
 				AssetsPath: "",
-				ForkName:   "euclidV2",
+				ForkName:   "feynman",
 			},
 			}},
 		BatchCollectionTimeSec: 60,
diff --git a/coordinator/conf/config.json b/coordinator/conf/config.json
index 26fb233fd8..7e07c039fd 100644
--- a/coordinator/conf/config.json
+++ b/coordinator/conf/config.json
@@ -8,10 +8,16 @@
     "chunk_collection_time_sec": 180,
     "verifier": {
       "min_prover_version": "v4.4.45",
-      "verifiers": [{
-        "assets_path": "assets",
-        "fork_name": "euclidV2"
-      }]
+      "verifiers": [
+        {
+          "assets_path": "assets",
+          "fork_name": "euclidV2"
+        },
+        {
+          "assets_path": "assets",
+          "fork_name": "feynman"
+        }
+      ]
     }
   },
   "db": {
diff --git a/coordinator/internal/config/config_test.go b/coordinator/internal/config/config_test.go
index f6be505f6b..05c5868a56 100644
--- a/coordinator/internal/config/config_test.go
+++ b/coordinator/internal/config/config_test.go
@@ -23,7 +23,7 @@ func TestConfig(t *testing.T) {
 				"min_prover_version": "v4.4.45",
 				"verifiers": [{
 					"assets_path": "assets",
-					"fork_name": "euclidV2"
+					"fork_name": "feynman"
 				}]
 			},
 			"max_verifier_workers": 4
diff --git a/coordinator/internal/logic/provertask/batch_prover_task.go b/coordinator/internal/logic/provertask/batch_prover_task.go
index 370ce18eec..c34540eee7 100644
--- a/coordinator/internal/logic/provertask/batch_prover_task.go
+++ b/coordinator/internal/logic/provertask/batch_prover_task.go
@@ -293,13 +293,7 @@ func (bp *BatchProverTask) getBatchTaskDetail(dbBatch *orm.Batch, chunkInfos []*
 	taskDetail := &message.BatchTaskDetail{
 		ChunkInfos:  chunkInfos,
 		ChunkProofs: chunkProofs,
-	}
-
-	if hardForkName == message.EuclidV2Fork {
-		taskDetail.ForkName = message.EuclidV2ForkNameForProver
-	} else {
-		log.Error("unsupported hard fork name", "hard_fork_name", hardForkName)
-		return nil, fmt.Errorf("unsupported hard fork name: %s", hardForkName)
+		ForkName:    hardForkName,
 	}
 
 	dbBatchCodecVersion := encoding.CodecVersion(dbBatch.CodecVersion)
diff --git a/coordinator/internal/logic/provertask/bundle_prover_task.go b/coordinator/internal/logic/provertask/bundle_prover_task.go
index e852a7c09d..19ae5d2468 100644
--- a/coordinator/internal/logic/provertask/bundle_prover_task.go
+++ b/coordinator/internal/logic/provertask/bundle_prover_task.go
@@ -250,13 +250,7 @@ func (bp *BundleProverTask) formatProverTask(ctx context.Context, task *orm.Prov
 
 	taskDetail := message.BundleTaskDetail{
 		BatchProofs: batchProofs,
-	}
-
-	if hardForkName == message.EuclidV2Fork {
-		taskDetail.ForkName = message.EuclidV2ForkNameForProver
-	} else {
-		log.Error("unsupported hard fork name", "hard_fork_name", hardForkName)
-		return nil, fmt.Errorf("unsupported hard fork name: %s", hardForkName)
+		ForkName:    hardForkName,
 	}
 
 	taskDetail.BundleInfo = &message.OpenVMBundleInfo{
diff --git a/coordinator/internal/logic/provertask/chunk_prover_task.go b/coordinator/internal/logic/provertask/chunk_prover_task.go
index 66cc82da2f..81961185ec 100644
--- a/coordinator/internal/logic/provertask/chunk_prover_task.go
+++ b/coordinator/internal/logic/provertask/chunk_prover_task.go
@@ -228,13 +228,7 @@ func (cp *ChunkProverTask) formatProverTask(ctx context.Context, task *orm.Prove
 	taskDetail := message.ChunkTaskDetail{
 		BlockHashes:      blockHashes,
 		PrevMsgQueueHash: common.HexToHash(chunk.PrevL1MessageQueueHash),
-	}
-
-	if hardForkName == message.EuclidV2Fork {
-		taskDetail.ForkName = message.EuclidV2ForkNameForProver
-	} else {
-		log.Error("unsupported hard fork name", "hard_fork_name", hardForkName)
-		return nil, fmt.Errorf("unsupported hard fork name: %s", hardForkName)
+		ForkName:         hardForkName,
 	}
 
 	var err error