diff --git a/packages/ai-native/package.json b/packages/ai-native/package.json
index 652b91a71b..d7e3e8a272 100644
--- a/packages/ai-native/package.json
+++ b/packages/ai-native/package.json
@@ -40,9 +40,9 @@
     "@xterm/xterm": "5.5.0",
     "ansi-regex": "^2.0.0",
     "dom-align": "^1.7.0",
-    "js-tiktoken": "1.0.12",
     "react-chat-elements": "^12.0.10",
     "react-highlight": "^0.15.0",
+    "tiktoken": "1.0.12",
     "web-tree-sitter": "0.22.6"
   },
   "devDependencies": {
diff --git a/packages/ai-native/src/browser/contrib/inline-completions/prompt/prompt.ts b/packages/ai-native/src/browser/contrib/inline-completions/prompt/prompt.ts
index 68b8574f31..71958602c9 100644
--- a/packages/ai-native/src/browser/contrib/inline-completions/prompt/prompt.ts
+++ b/packages/ai-native/src/browser/contrib/inline-completions/prompt/prompt.ts
@@ -1,5 +1,4 @@
-// @ts-ignore
-import { Tiktoken } from 'js-tiktoken';
+import { Tiktoken } from 'tiktoken/lite';
 
 import { Injector } from '@opensumi/di';
 
@@ -59,7 +58,12 @@ export const getMarkerForSnippets = (text: string, language: string) => {
   return lines.map((line) => getMarkerByLanguage(line, language)).join('\n');
 };
 
-export const getCroppedTextByLine = (text: string, maxTokenSize: number, textTokens: number[][], reverse = false) => {
+export const getCroppedTextByLine = (
+  text: string,
+  maxTokenSize: number,
+  textTokens: Uint32Array[],
+  reverse = false,
+) => {
   const currentTokenSize = textTokens.reduce((prev, cur) => prev + cur.length, 0);
   if (currentTokenSize < maxTokenSize) {
     return text;
@@ -110,7 +114,7 @@ export const getCroppedTextByLine = (text: string, maxTokenSize: number, textTok
 export const getCroppedText = async (
   text: string,
   maxTokenSize: number,
-  textTokens: number[][],
+  textTokens: Uint32Array[],
   strategy = StrategyType.InterceptBasedOnLine,
   tokenizer: Tiktoken,
   parser?: LanguageParser,
@@ -118,7 +122,7 @@ export const getCroppedText = async (
   reverse = false,
   token?: monaco.CancellationToken,
 ): Promise<string> => {
-  let tokens: number[];
+  let tokens: Uint32Array;
   if (strategy === StrategyType.InterceptBasedOnLine) {
     // 按行进行裁剪
     text = getCroppedTextByLine(text, maxTokenSize, textTokens, reverse);
diff --git a/packages/ai-native/src/browser/contrib/inline-completions/prompt/tokenizer.ts b/packages/ai-native/src/browser/contrib/inline-completions/prompt/tokenizer.ts
index e0a348ed6b..22cbe91807 100644
--- a/packages/ai-native/src/browser/contrib/inline-completions/prompt/tokenizer.ts
+++ b/packages/ai-native/src/browser/contrib/inline-completions/prompt/tokenizer.ts
@@ -1,5 +1,4 @@
-// @ts-ignore
-import { Tiktoken, getEncoding } from 'js-tiktoken';
+import { Tiktoken, get_encoding } from 'tiktoken';
 
 import { TokenizerName } from '../types';
 
@@ -10,7 +9,7 @@ export const getTokenizer = (tokenizerName = TokenizerName.cl100k_base) => {
   if (tokenizer) {
     return tokenizer;
   }
-  tokenizer = getEncoding('cl100k_base');
+  tokenizer = get_encoding('cl100k_base');
   TOKENIZER_CACHE.set(tokenizerName, tokenizer);
   return tokenizer;
 };
diff --git a/tools/dev-tool/src/webpack.js b/tools/dev-tool/src/webpack.js
index 5d5394f81e..ce3b78547d 100644
--- a/tools/dev-tool/src/webpack.js
+++ b/tools/dev-tool/src/webpack.js
@@ -45,6 +45,9 @@ exports.createWebpackConfig = function (dir, entry, extraConfig) {
       cache: {
         type: 'filesystem',
       },
+      experiments: {
+        asyncWebAssembly: true, // 启用 WebAssembly 支持
+      },
       resolve: {
         extensions: ['.ts', '.tsx', '.js', '.json', '.less'],
         plugins: [
diff --git a/yarn.lock b/yarn.lock
index 978124f030..b9c7dd0dd1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2265,9 +2265,9 @@ __metadata:
     "@xterm/xterm": "npm:5.5.0"
     ansi-regex: "npm:^2.0.0"
     dom-align: "npm:^1.7.0"
-    js-tiktoken: "npm:1.0.12"
     react-chat-elements: "npm:^12.0.10"
     react-highlight: "npm:^0.15.0"
+    tiktoken: "npm:1.0.12"
     web-tree-sitter: "npm:0.22.6"
   languageName: unknown
   linkType: soft
@@ -12221,15 +12221,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"js-tiktoken@npm:1.0.12":
-  version: 1.0.12
-  resolution: "js-tiktoken@npm:1.0.12"
-  dependencies:
-    base64-js: "npm:^1.5.1"
-  checksum: 10/21aaa9302409fefc5ac18695579b04e0223cdda2566e5cc4a95de228333bbadfc2e16110fceca1824d7faa43081ef378e6bc72238a2230374a85f88638556305
-  languageName: node
-  linkType: hard
-
 "js-tokens@npm:^3.0.0 || ^4.0.0, js-tokens@npm:^4.0.0":
   version: 4.0.0
   resolution: "js-tokens@npm:4.0.0"
@@ -18889,6 +18880,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"tiktoken@npm:1.0.12":
+  version: 1.0.12
+  resolution: "tiktoken@npm:1.0.12"
+  checksum: 10/595ab2e93f1937a1af8baf057f1a2951cfd7b5d4c0986807c1fc8e1a2118800a31cec81cdbcb115c4be5eec4fd9d5c23ac23691a227658c1010aeefec5dfa3ea
+  languageName: node
+  linkType: hard
+
 "timeago.js@npm:^4.0.2":
   version: 4.0.2
   resolution: "timeago.js@npm:4.0.2"