diff --git a/vite.config.ts b/vite.config.ts
index 61d542c..50db440 100644
--- a/vite.config.ts
+++ b/vite.config.ts
@@ -6,6 +6,69 @@ import AutoImport from "unplugin-auto-import/vite"
 import Components from "unplugin-vue-components/vite"
 import { NaiveUiResolver } from "unplugin-vue-components/resolvers"
 
+// 显式保留 Chrome 90 所需的运行时兼容项，避免 plugin-legacy 对每个产物执行 Babel 扫描。
+// 升级前端依赖后需要重新审计此列表。
+const polyfills = [
+  "es.aggregate-error.cause",
+  "es.array-buffer.detached",
+  "es.array-buffer.transfer-to-fixed-length",
+  "es.array-buffer.transfer",
+  "es.array.at",
+  "es.array.find-last-index",
+  "es.array.push",
+  "es.array.to-reversed",
+  "es.array.to-sorted",
+  "es.array.to-spliced",
+  "es.array.with",
+  "es.error.cause",
+  "es.iterator.constructor",
+  "es.iterator.drop",
+  "es.iterator.every",
+  "es.iterator.filter",
+  "es.iterator.find",
+  "es.iterator.flat-map",
+  "es.iterator.for-each",
+  "es.iterator.map",
+  "es.iterator.reduce",
+  "es.iterator.some",
+  "es.iterator.to-array",
+  "es.json.parse",
+  "es.json.stringify",
+  "es.map.get-or-insert-computed",
+  "es.map.get-or-insert",
+  "es.object.has-own",
+  "es.regexp.flags",
+  "es.set.difference.v2",
+  "es.set.intersection.v2",
+  "es.set.is-disjoint-from.v2",
+  "es.set.is-subset-of.v2",
+  "es.set.is-superset-of.v2",
+  "es.set.symmetric-difference.v2",
+  "es.set.union.v2",
+  "es.string.at-alternative",
+  "es.typed-array.at",
+  "es.typed-array.find-last-index",
+  "es.typed-array.find-last",
+  "es.typed-array.set",
+  "es.typed-array.to-reversed",
+  "es.typed-array.to-sorted",
+  "es.typed-array.with",
+  "es.uint8-array.set-from-base64",
+  "es.uint8-array.set-from-hex",
+  "es.uint8-array.to-base64",
+  "es.uint8-array.to-hex",
+  "es.weak-map.get-or-insert-computed",
+  "es.weak-map.get-or-insert",
+  "esnext.array.group",
+  "web.dom-exception.stack",
+  "web.immediate",
+  "web.structured-clone",
+  "web.url-search-params.delete",
+  "web.url-search-params.has",
+  "web.url-search-params.size",
+  "web.url.can-parse",
+]
+
 // index.html 里按需注入 MaxKB 脚本（原 Rsbuild EJS 模板的等价实现）
 function injectMaxkb(maxkbUrl: string | undefined): Plugin {
   return {
@@ -48,7 +111,7 @@ export default defineConfig(({ mode }) => {
       legacy({
         renderLegacyChunks: false,
         modernTargets: "chrome>=90",
-        modernPolyfills: true,
+        modernPolyfills: polyfills,
       }),
       AutoImport({
         imports: [