diff --git a/packages/fineui/src/core/5.inject.js b/packages/fineui/src/core/5.inject.js
index 0246f2497..1ee1b3173 100644
--- a/packages/fineui/src/core/5.inject.js
+++ b/packages/fineui/src/core/5.inject.js
@@ -601,3 +601,7 @@ export function getResource(type, config) {
     }
     throw new Error("unknown type: [" + type + "] undefined");
 }
+
+export function getClass(xtype) {
+    return kv[xtype] || serviceInjection[xtype];
+}
\ No newline at end of file
diff --git a/packages/fineui/src/core/platform/web/jquery/jquery.polyfill.js b/packages/fineui/src/core/platform/web/jquery/jquery.polyfill.js
deleted file mode 100644
index d7fb59e75..000000000
--- a/packages/fineui/src/core/platform/web/jquery/jquery.polyfill.js
+++ /dev/null
@@ -1,96 +0,0 @@
-/**
- * 用于 jquery 在 worker 环境或者 V8 引擎的 polyfill
- */
-// import { _global } from "@/core/0.foundation";
-
-const _global = globalThis;
-
-const document = {};
-const fakeElement = Object.create(document);
-
-Object.assign(document, {
-    parentNode: null,
-    nodeType: 9,
-    head: fakeElement,
-    body: fakeElement,
-    ownerDocument: document,
-    documentElement: document,
-    toString() {
-        return "FakeDocument";
-    },
-    appendChild(child) {
-        return child;
-    },
-    implementation: {
-        createHTMLDocument() {
-            return {
-                body: {
-                    childNodes: [],
-                },
-            };
-        },
-        createDocumentFragment() {
-            return this;
-        },
-    },
-    getElementById() {
-        return fakeElement;
-    },
-    createElement() {
-        return fakeElement;
-    },
-    createDocumentFragment() {
-        return this;
-    },
-    cloneNode() {
-        return this;
-    },
-    getElementsByTagName() {
-        return [fakeElement];
-    },
-    getElementsByClassName() {
-        return [fakeElement];
-    },
-    setAttribute() {
-        return null;
-    },
-    getAttribute() {
-        return null;
-    },
-    removeChild() {
-        return null;
-    },
-    addEventListener() {
-        return null;
-    },
-    removeEventListener() {
-        return null;
-    },
-});
-
-Object.assign(fakeElement, {
-    nodeType: 1,
-    style: {},
-    ownerDocument: document,
-    parentNod: fakeElement,
-    firstChild: fakeElement,
-    lastChild: fakeElement,
-    toString() {
-        return "FakeElement";
-    },
-});
-
-function polyfillProps(key, obj) {
-    _global[key] = _global[key] || obj;
-    if (typeof obj === "object") {
-        try {
-            Object.assign(_global[key], obj);
-        } catch(err) {
-            // _global[key] 可能只有 get 方法
-        }
-    }
-}
-
-_global.window = _global;
-polyfillProps("XMLHttpRequest", function () {});
-polyfillProps("document", document);
diff --git a/packages/fineui/webpack/attachments.js b/packages/fineui/webpack/attachments.js
index 7e6549d83..286a1ea5d 100644
--- a/packages/fineui/webpack/attachments.js
+++ b/packages/fineui/webpack/attachments.js
@@ -1,6 +1,5 @@
 const { sync, uniq } = require("./utils");
 
-const jqueryPolyfill = "./src/core/platform/web/jquery/jquery.polyfill.js";
 const configJS = "./src/core/platform/web/config.js";
 
 const runtimePolyfill = ["core-js/stable"];
@@ -34,7 +33,6 @@ const fineui = [].concat(
 );
 
 const fineuiForWorker = [].concat(
-    jqueryPolyfill,
     basicAttachmentMap.js_bundle,
     basicAttachmentMap.ui,
     basicAttachmentMap.ts