diff --git a/packages/engine/@types/biginteger.d.ts b/packages/engine/@types/biginteger.d.ts
new file mode 100644
index 00000000000..267a0e954ce
--- /dev/null
+++ b/packages/engine/@types/biginteger.d.ts
@@ -0,0 +1,15 @@
+declare module 'biginteger' {
+  export class BigInteger {
+    constructor(n: number | string | BigInteger, base?: number): BigInteger;
+
+    compare(n: number | string | BigInteger): number;
+
+    divide(n: number | string | BigInteger): BigInteger;
+
+    pow(n: number | string | BigInteger): BigInteger;
+
+    toJSValue(): number;
+
+    lowVal(): number;
+  }
+}
diff --git a/packages/engine/package.json b/packages/engine/package.json
index 713fd054fe4..0d830baf2ff 100644
--- a/packages/engine/package.json
+++ b/packages/engine/package.json
@@ -56,6 +56,7 @@
     "axios-retry": "^3.4.0",
     "bchaddrjs": "^0.5.2",
     "bech32": "^2.0.0",
+    "biginteger": "^1.0.3",
     "bignumber.js": "^9.0.1",
     "bip32": "^4.0.0",
     "bip39": "^3.1.0",
diff --git a/packages/engine/src/vaults/impl/dynex/Vault.ts b/packages/engine/src/vaults/impl/dynex/Vault.ts
index 52f54591e0b..d180317592b 100644
--- a/packages/engine/src/vaults/impl/dynex/Vault.ts
+++ b/packages/engine/src/vaults/impl/dynex/Vault.ts
@@ -165,6 +165,8 @@ export default class Vault extends VaultBase {
           .shiftedBy(network.decimals)
           .toFixed(),
         extraInfo: null,
+        utxoFrom: [],
+        utxoTo: [],
       },
       direction:
         encodedTx.to === address
diff --git a/packages/engine/src/vaults/impl/dynex/utils.ts b/packages/engine/src/vaults/impl/dynex/utils.ts
index f05ff50f586..db511b2b746 100644
--- a/packages/engine/src/vaults/impl/dynex/utils.ts
+++ b/packages/engine/src/vaults/impl/dynex/utils.ts
@@ -1,6 +1,7 @@
 /* eslint-disable no-param-reassign */
 /* eslint-disable no-bitwise */
 import { keccak256 } from '@ethersproject/keccak256';
+import { BigInteger } from 'biginteger';
 import BigNumber from 'bignumber.js';
 
 import type { IEncodedTxDynex, ISignTxParams } from './types';
@@ -11,16 +12,14 @@ const CRYPTONOTE_PUBLIC_INTEGRATED_ADDRESS_BASE58_PREFIX = 29;
 const CRYPTONOTE_PUBLIC_SUBADDRESS_BASE58_PREFIX = 52;
 
 export function encodeVarInt(number: number) {
-  const result = [];
-  do {
-    let byte = number & 0x7f;
-    number >>>= 7;
-    if (number !== 0) {
-      byte |= 0x80;
-    }
-    result.push(byte);
-  } while (number !== 0);
-  return result.map((byte) => byte.toString(16).padStart(2, '0')).join('');
+  let numberBI = new BigInteger(number);
+  let out = '';
+  while (numberBI.compare(0x80) >= 0) {
+    out += `0${((numberBI.lowVal() & 0x7f) | 0x80).toString(16)}`.slice(-2);
+    numberBI = numberBI.divide(new BigInteger(2).pow(7));
+  }
+  out += `0${numberBI.toJSValue().toString(16)}`.slice(-2);
+  return out;
 }
 
 export function integerToLittleEndianHex({
diff --git a/packages/kit/src/utils/hardware/OneKeyHardware.ts b/packages/kit/src/utils/hardware/OneKeyHardware.ts
index 55b4fac74c9..c21aae3ca52 100644
--- a/packages/kit/src/utils/hardware/OneKeyHardware.ts
+++ b/packages/kit/src/utils/hardware/OneKeyHardware.ts
@@ -8,7 +8,7 @@ export const getDeviceTypeByDeviceId = (deviceId?: string): IDeviceType =>
   getDeviceTypeByDeviceIdUtil(deviceId);
 
 export const isHwClassic = (deviceType: string | undefined): boolean =>
-  deviceType === 'classic' || deviceType === 'classic1s';
+  deviceType === 'classic';
 
 export const getDeviceFirmwareVersion = (
   features: IOneKeyDeviceFeatures | undefined,
diff --git a/patches/biginteger+1.0.3.patch b/patches/biginteger+1.0.3.patch
new file mode 100644
index 00000000000..c817cf7682f
--- /dev/null
+++ b/patches/biginteger+1.0.3.patch
@@ -0,0 +1,15 @@
+diff --git a/node_modules/biginteger/biginteger.js b/node_modules/biginteger/biginteger.js
+index b881105..41967f5 100644
+--- a/node_modules/biginteger/biginteger.js
++++ b/node_modules/biginteger/biginteger.js
+@@ -1564,6 +1564,10 @@ BigInteger.prototype.toJSValue = function() {
+ 	return parseInt(this.toString(), 10);
+ };
+ 
++BigInteger.prototype.lowVal = function () {
++  return this._d[0] || 0;
++};
++
+ var MAX_EXP = BigInteger(0x7FFFFFFF);
+ // Constant: MAX_EXP
+ // The largest exponent allowed in <pow> and <exp10> (0x7FFFFFFF or 2147483647).
diff --git a/yarn.lock b/yarn.lock
index fdb6b875358..72feb3c6db7 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -7039,6 +7039,7 @@ __metadata:
     axios-retry: ^3.4.0
     bchaddrjs: ^0.5.2
     bech32: ^2.0.0
+    biginteger: ^1.0.3
     bignumber.js: ^9.0.1
     bip32: ^4.0.0
     bip39: ^3.1.0
@@ -13986,6 +13987,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"biginteger@npm:^1.0.3":
+  version: 1.0.3
+  resolution: "biginteger@npm:1.0.3"
+  checksum: 325458d3801885eef4468ddb1d9b24fd4773d958fdd85bf75a7e71e856cea0009f7b319aec718ed5a64ce9e7f0aa4010b23b702e9576a840b8710e04e9550080
+  languageName: node
+  linkType: hard
+
 "bignumber.js@npm:^9.0.0, bignumber.js@npm:^9.0.1, bignumber.js@npm:^9.0.2":
   version: 9.0.2
   resolution: "bignumber.js@npm:9.0.2"