diff --git a/packages/ckb-sdk-utils/__tests__/ckb-utils.test.js b/packages/ckb-sdk-utils/__tests__/ckb-utils.test.js
index a917f098..05464278 100644
--- a/packages/ckb-sdk-utils/__tests__/ckb-utils.test.js
+++ b/packages/ckb-sdk-utils/__tests__/ckb-utils.test.js
@@ -128,15 +128,9 @@ describe('scriptToHash', () => {
       script: {
         codeHash: '0x0000000000000000000000000000000000000000000000000000000000000000',
         args: [],
+        hashType: 'data',
       },
-      scriptHash: 'c371c8d6a0aed6018e91202d047c35055cfb0228e6709f1cd1d5f756525628b9',
-    },
-    'Script with default hash type of data': {
-      script: {
-        codeHash: '0x0000000000000000000000000000000000000000000000000000000000000000',
-        args: ['0x01'],
-      },
-      scriptHash: 'cd5b0c29b8f5528d3a75e3918576db4d962a1d4b315dff7d3c50818cc373b3f5',
+      scriptHash: 'bd7e6000ffb8e983a6023809037e0c4cedbc983637c46d74621fd28e5f15fe4f',
     },
     'Script with hash type of data': {
       script: {
@@ -144,7 +138,7 @@ describe('scriptToHash', () => {
         args: ['0x01'],
         hashType: 'data',
       },
-      scriptHash: 'cd5b0c29b8f5528d3a75e3918576db4d962a1d4b315dff7d3c50818cc373b3f5',
+      scriptHash: '5a2b913dfb1b79136fc72a575fd8e93ae080b504463c0066fea086482bfc3a94',
     },
     'Script with hash type of type': {
       script: {
@@ -152,7 +146,7 @@ describe('scriptToHash', () => {
         args: ['0x01'],
         hashType: 'type',
       },
-      scriptHash: '7bc53ae03b219a1cb520fce8ac2299092958147db23d92d3a97b3a9dec748d94',
+      scriptHash: '3d7e565f3831955f0f5cfecdadddeef7e0d106af84ceb0c2f4dbb6ddff88c9bc',
     },
   }
   test.each(Object.keys(fixtures))('%s', fixtureName => {
diff --git a/packages/ckb-sdk-utils/src/index.ts b/packages/ckb-sdk-utils/src/index.ts
index 03b859f0..8028ede6 100644
--- a/packages/ckb-sdk-utils/src/index.ts
+++ b/packages/ckb-sdk-utils/src/index.ts
@@ -1,5 +1,6 @@
 import * as util from 'util'
 import crypto from './crypto'
+import { serializeScript } from './serialization'
 
 export * from './address'
 export * from './serialization'
@@ -43,22 +44,11 @@ export const utf8ToBytes = (str: string) => textEncoder.encode(str)
 
 export const utf8ToHex = (str: string) => bytesToHex(utf8ToBytes(str))
 
-export const scriptToHash = ({ codeHash = '', args = [], hashType = 'data' }: CKBComponents.Script) => {
+export const scriptToHash = (script: CKBComponents.Script) => {
+  if (!script) throw new Error('Script is required')
+  const serializedScript = serializeScript(script)
   const s = blake2b(32, null, null, PERSONAL)
-  if (codeHash) {
-    s.update(hexToBytes(codeHash.replace(/^0x/, '')))
-  }
-
-  if (hashType === 'data') {
-    s.update(Buffer.from([0x0]))
-  } else {
-    s.update(Buffer.from([0x1]))
-  }
-
-  if (args && args.length) {
-    args.forEach(arg => (typeof arg === 'string' ? s.update(hexToBytes(arg)) : s.update(arg)))
-  }
-
+  s.update(hexToBytes(serializedScript))
   const digest = s.digest('hex')
   return digest as string
 }