diff --git a/package.json b/package.json
index 0bffc8a9ef..184a5d0721 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "codesandbox": "^2.2.3",
     "ajv": "^8.11.0",
     "ajv-formats": "^2.1.1",
-    "extend": "^3.0.2",
+    "rfdc": "^1.3.0",
     "file-saver": "^2.0.5",
     "ng-github-button": "^14.0.0",
     "ng-zorro-antd": "^14.0.0-beta.0",
@@ -117,8 +117,6 @@
     "karma-viewport": "^1.0.9",
     "@types/aos": "^3.0.4",
     "@types/file-saver": "^2.0.5",
-    "@types/deep-extend": "^0.4.32",
-    "@types/extend": "^3.0.1",
     "@types/fs-extra": "^9.0.13",
     "@types/mockjs": "^1.0.6",
     "@types/parse5": "^6.0.3",
diff --git a/packages/util/other/deep.spec.ts b/packages/util/other/deep.spec.ts
index 5aafc3a17f..d2bf0f82ef 100644
--- a/packages/util/other/deep.spec.ts
+++ b/packages/util/other/deep.spec.ts
@@ -52,9 +52,18 @@ describe('abc: utils', () => {
     });
   });
 
-  it('#deepCopy', () => {
-    const a = { number: 1 };
-    expect(deepCopy(a).number).toBe(a.number);
+  describe('#deepCopy', () => {
+    it('should be working', () => {
+      const a = { number: 1 };
+      expect(deepCopy(a).number).toBe(a.number);
+    });
+    it('when is null', () => {
+      expect(deepCopy(null)).toBe(null);
+    });
+    it('when proto is false', () => {
+      const res = deepCopy(Object.create({ a: 1 }), { proto: false });
+      expect(Object.keys(res).length).toBe(0);
+    });
   });
 
   describe('#deepMerge', () => {
diff --git a/packages/util/other/deep.ts b/packages/util/other/deep.ts
index 6edd949e5d..2a2a73ebf2 100644
--- a/packages/util/other/deep.ts
+++ b/packages/util/other/deep.ts
@@ -1,4 +1,4 @@
-import extend from 'extend';
+import rfdc from 'rfdc';
 
 import type { NzSafeAny } from 'ng-zorro-antd/core/types';
 
@@ -21,13 +21,22 @@ export function deepGet(obj: NzSafeAny, path: string | string[] | null | undefin
 }
 
 /**
- * Base on [extend](https://github.com/justmoon/node-extend) deep copy.
+ * Base on [rfdc](https://github.com/davidmarkclements/rfdc) deep copy.
  *
- * 基于 [extend](https://github.com/justmoon/node-extend) 的深度拷贝
+ * 基于 [rfdc](https://github.com/davidmarkclements/rfdc) 的深度拷贝
  */
-export function deepCopy<T extends { [key: string]: NzSafeAny } = NzSafeAny>(obj: T | null | undefined): T {
-  const result = extend(true, {}, { _: obj });
-  return result._ as T;
+export function deepCopy<T>(obj: T | null | undefined): T;
+/**
+ * Base on [rfdc](https://github.com/davidmarkclements/rfdc) deep copy.
+ *
+ * 基于 [rfdc](https://github.com/davidmarkclements/rfdc) 的深度拷贝
+ *
+ * - [options](https://github.com/davidmarkclements/rfdc#requirerfdcopts---proto-false-circles-false---cloneobj--obj2) 参数文档
+ */
+export function deepCopy<T>(obj: T | null | undefined, options?: rfdc.Options): T;
+export function deepCopy<T>(obj: T | null | undefined, options?: rfdc.Options): T {
+  if (obj == null) return obj as T;
+  return rfdc(options)<T>(obj);
 }
 
 /**
diff --git a/packages/util/other/index.en-US.md b/packages/util/other/index.en-US.md
index 64b2fd5eb6..a5b9a58932 100644
--- a/packages/util/other/index.en-US.md
+++ b/packages/util/other/index.en-US.md
@@ -23,7 +23,7 @@ deepGet(obj, 'user.age'); // 18
 
 ## deepCopy
 
-Base on [extend](https://github.com/justmoon/node-extend) deep copy.
+Base on [rfdc](https://github.com/davidmarkclements/rfdc) deep copy.
 
 ```ts
 const source = { a: 1, user: { name: 'cipchk' } };
diff --git a/packages/util/other/index.zh-CN.md b/packages/util/other/index.zh-CN.md
index 02e50bd179..897175576b 100644
--- a/packages/util/other/index.zh-CN.md
+++ b/packages/util/other/index.zh-CN.md
@@ -23,7 +23,7 @@ deepGet(obj, 'user.age'); // 18
 
 ## deepCopy
 
-基于 [extend](https://github.com/justmoon/node-extend) 的深度拷贝。
+基于 [rfdc](https://github.com/davidmarkclements/rfdc) 的深度拷贝。
 
 ```ts
 const source = { a: 1, user: { name: 'cipchk' } };
diff --git a/scripts/site/route-paths.txt b/scripts/site/route-paths.txt
index f4390cc87d..358d0cb3e3 100644
--- a/scripts/site/route-paths.txt
+++ b/scripts/site/route-paths.txt
@@ -95,8 +95,6 @@
 /components/global-footer/zh
 /components/highlight/en
 /components/highlight/zh
-/components/image/en
-/components/image/zh
 /components/let/en
 /components/let/zh
 /components/loading/en