diff --git a/go/greptime/v1/meta/heartbeat.pb.go b/go/greptime/v1/meta/heartbeat.pb.go
index befda8f3..800fba28 100644
--- a/go/greptime/v1/meta/heartbeat.pb.go
+++ b/go/greptime/v1/meta/heartbeat.pb.go
@@ -53,6 +53,8 @@ type HeartbeatRequest struct {
 	// Follower nodes and stats, empty on follower nodes
 	ReplicaStats   []*ReplicaStat  `protobuf:"bytes,7,rep,name=replica_stats,json=replicaStats,proto3" json:"replica_stats,omitempty"`
 	MailboxMessage *MailboxMessage `protobuf:"bytes,8,opt,name=mailbox_message,json=mailboxMessage,proto3" json:"mailbox_message,omitempty"`
+	// The duration since the heartbeat task's epoch in milliseconds.
+	DurationSinceEpoch uint64 `protobuf:"varint,9,opt,name=duration_since_epoch,json=durationSinceEpoch,proto3" json:"duration_since_epoch,omitempty"`
 }
 
 func (x *HeartbeatRequest) Reset() {
@@ -143,6 +145,13 @@ func (x *HeartbeatRequest) GetMailboxMessage() *MailboxMessage {
 	return nil
 }
 
+func (x *HeartbeatRequest) GetDurationSinceEpoch() uint64 {
+	if x != nil {
+		return x.DurationSinceEpoch
+	}
+	return 0
+}
+
 type NodeStat struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -492,10 +501,10 @@ type RegionLease struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	TableIdent              *TableIdent `protobuf:"bytes,1,opt,name=table_ident,json=tableIdent,proto3" json:"table_ident,omitempty"`
-	Regions                 []uint32    `protobuf:"varint,2,rep,packed,name=regions,proto3" json:"regions,omitempty"`
-	LastHeartbeatTimeMillis int64       `protobuf:"varint,3,opt,name=last_heartbeat_time_millis,json=lastHeartbeatTimeMillis,proto3" json:"last_heartbeat_time_millis,omitempty"`
-	LeaseSeconds            uint64      `protobuf:"varint,4,opt,name=lease_seconds,json=leaseSeconds,proto3" json:"lease_seconds,omitempty"`
+	TableIdent         *TableIdent `protobuf:"bytes,1,opt,name=table_ident,json=tableIdent,proto3" json:"table_ident,omitempty"`
+	Regions            []uint32    `protobuf:"varint,2,rep,packed,name=regions,proto3" json:"regions,omitempty"`
+	DurationSinceEpoch uint64      `protobuf:"varint,3,opt,name=duration_since_epoch,json=durationSinceEpoch,proto3" json:"duration_since_epoch,omitempty"`
+	LeaseSeconds       uint64      `protobuf:"varint,4,opt,name=lease_seconds,json=leaseSeconds,proto3" json:"lease_seconds,omitempty"`
 }
 
 func (x *RegionLease) Reset() {
@@ -544,9 +553,9 @@ func (x *RegionLease) GetRegions() []uint32 {
 	return nil
 }
 
-func (x *RegionLease) GetLastHeartbeatTimeMillis() int64 {
+func (x *RegionLease) GetDurationSinceEpoch() uint64 {
 	if x != nil {
-		return x.LastHeartbeatTimeMillis
+		return x.DurationSinceEpoch
 	}
 	return 0
 }
@@ -781,7 +790,7 @@ var file_greptime_v1_meta_heartbeat_proto_rawDesc = []byte{
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+	0x33,
 }
 
 var (
diff --git a/proto/greptime/v1/meta/heartbeat.proto b/proto/greptime/v1/meta/heartbeat.proto
index fe101580..ff798a3b 100644
--- a/proto/greptime/v1/meta/heartbeat.proto
+++ b/proto/greptime/v1/meta/heartbeat.proto
@@ -48,6 +48,8 @@ message HeartbeatRequest {
   // Follower nodes and stats, empty on follower nodes
   repeated ReplicaStat replica_stats = 7;
   MailboxMessage mailbox_message = 8;
+  // The duration since the heartbeat task's epoch in milliseconds.
+  uint64 duration_since_epoch = 9;
 }
 
 message NodeStat {
@@ -103,7 +105,7 @@ message HeartbeatResponse {
 message RegionLease {
   TableIdent table_ident = 1;
   repeated uint32 regions = 2;
-  int64 last_heartbeat_time_millis = 3;
+  uint64 duration_since_epoch = 3;
   uint64 lease_seconds = 4;
 }