diff --git a/crates/rooch-executor/src/actor/executor.rs b/crates/rooch-executor/src/actor/executor.rs
index 7853cd1021..f76e341abc 100644
--- a/crates/rooch-executor/src/actor/executor.rs
+++ b/crates/rooch-executor/src/actor/executor.rs
@@ -41,6 +41,7 @@ use rooch_types::framework::ethereum::EthereumModule;
 use rooch_types::framework::transaction_validator::TransactionValidator;
 use rooch_types::framework::{system_post_execute_functions, system_pre_execute_functions};
 use rooch_types::multichain_id::RoochMultiChainID;
+use rooch_types::transaction::authenticator::AUTH_PAYLOAD_SIZE;
 use rooch_types::transaction::{
     AuthenticatorInfo, L1Block, L1BlockWithBody, L1Transaction, RoochTransaction,
     RoochTransactionData,
@@ -365,18 +366,22 @@ impl ExecutorActor {
         Ok(vm_result)
     }
 
-    pub fn convert_to_verified_tx(
+    pub fn convert_to_verified_tx_for_dry_run(
         &self,
         tx_data: RoochTransactionData,
     ) -> Result<VerifiedMoveOSTransaction> {
         let root = self.root.clone();
 
+        // The dry run supports unsigned transactions, but when calculating the transaction size,
+        // the length of the signature part needs to be included.
+        let tx_size = tx_data.tx_size() + AUTH_PAYLOAD_SIZE;
+
         let mut tx_ctx = TxContext::new(
             tx_data.sender.into(),
             tx_data.sequence_number,
             tx_data.max_gas_amount,
             tx_data.tx_hash(),
-            tx_data.tx_size(),
+            tx_size,
         );
 
         let tx_metadata = TxMeta::new_from_move_action(&tx_data.action);
@@ -544,7 +549,7 @@ impl Handler<ConvertL2TransactionData> for ExecutorActor {
         msg: ConvertL2TransactionData,
         _ctx: &mut ActorContext,
     ) -> Result<VerifiedMoveOSTransaction> {
-        self.convert_to_verified_tx(msg.tx_data)
+        self.convert_to_verified_tx_for_dry_run(msg.tx_data)
     }
 }
 
diff --git a/crates/rooch-types/src/transaction/authenticator.rs b/crates/rooch-types/src/transaction/authenticator.rs
index aa26dcf4aa..76ce65993a 100644
--- a/crates/rooch-types/src/transaction/authenticator.rs
+++ b/crates/rooch-types/src/transaction/authenticator.rs
@@ -30,6 +30,9 @@ use crate::{
 
 use super::RoochTransactionData;
 
+// The size of the signature data.
+pub const AUTH_PAYLOAD_SIZE: u64 = 219;
+
 /// A `Authenticator` is an abstraction of a account authenticator.
 /// It is a part of `AccountAbstraction`
 
diff --git a/crates/rooch/src/tx_runner.rs b/crates/rooch/src/tx_runner.rs
index 50bc67e320..86480092a2 100644
--- a/crates/rooch/src/tx_runner.rs
+++ b/crates/rooch/src/tx_runner.rs
@@ -22,6 +22,7 @@ use moveos_types::move_std::option::MoveOption;
 use moveos_types::moveos_std::gas_schedule::GasScheduleConfig;
 use moveos_types::moveos_std::object::ObjectMeta;
 use moveos_types::moveos_std::tx_context::TxContext;
+use moveos_types::moveos_std::tx_meta::TxMeta;
 use moveos_types::transaction::{
     MoveAction, RawTransactionOutput, VMErrorInfo, VerifiedMoveAction, VerifiedMoveOSTransaction,
 };
@@ -34,6 +35,7 @@ use rooch_rpc_client::{Client, ClientResolver};
 use rooch_types::address::{BitcoinAddress, MultiChainAddress};
 use rooch_types::framework::auth_validator::{BuiltinAuthValidator, TxValidateResult};
 use rooch_types::framework::system_pre_execute_functions;
+use rooch_types::transaction::authenticator::AUTH_PAYLOAD_SIZE;
 use rooch_types::transaction::RoochTransactionData;
 use std::rc::Rc;
 use std::str::FromStr;
@@ -55,7 +57,12 @@ pub fn execute_tx_locally(
         GasScheduleConfig::CLI_DEFAULT_MAX_GAS_AMOUNT,
         true,
     );
-    gas_meter.charge_io_write(tx.tx_size()).unwrap();
+
+    // The dry run supports unsigned transactions, but when calculating the transaction size,
+    // the length of the signature part needs to be included.
+    let tx_size = tx.tx_size() + AUTH_PAYLOAD_SIZE;
+
+    gas_meter.charge_io_write(tx_size).unwrap();
 
     let mut moveos_session = MoveOSSession::new(
         move_mv.inner(),
@@ -235,6 +242,9 @@ fn convert_to_verified_tx(
         tx_data.tx_size(),
     );
 
+    let tx_metadata = TxMeta::new_from_move_action(&tx_data.action);
+    tx_ctx.add(tx_metadata).unwrap();
+
     let mut bitcoin_address = BitcoinAddress::from_str("18cBEMRxXHqzWWCxZNtU91F5sbUNKhL5PX")?;
 
     let user_multi_chain_address: MultiChainAddress = tx_data.sender.into();