diff --git a/func/clone.js b/func/clone.js
index 2db7f60..e6d9e15 100644
--- a/func/clone.js
+++ b/func/clone.js
@@ -16,7 +16,7 @@ function copyValue (val, isDeep) {
   if (val) {
     switch(objectToString.call(val)) {
       case "[object Object]": {
-        var restObj = Object.create(val.__proto__)
+        var restObj = Object.create(val.__proto__ || null)
         objectEach(val, function (item, key) {
           restObj[key] = handleValueClone(item, isDeep)
         })
diff --git a/package.json b/package.json
index 939b8c4..56def6d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "xe-utils",
-  "version": "3.5.20",
+  "version": "3.5.21",
   "description": "JavaScript 函数库、工具类",
   "main": "index.js",
   "unpkg": "dist/xe-utils.umd.min.js",
diff --git a/test/base.test.js b/test/base.test.js
index 03087b3..c915d54 100644
--- a/test/base.test.js
+++ b/test/base.test.js
@@ -2480,6 +2480,15 @@ describe('Base functions', () => {
     expect(
       XEUtils.clone(-1)
     ).toEqual(-1)
+    expect(
+      XEUtils.clone(Object.create(null))
+    ).toEqual(Object.create(null))
+    expect(
+      XEUtils.clone(Object.create({}))
+    ).toEqual(Object.create({}))
+    expect(
+      XEUtils.clone(Object.create([]))
+    ).toEqual(Object.create([]))
     expect(
       XEUtils.clone(/\n/)
     ).toEqual(/\n/)