diff --git a/docs/zh/guide/README.md b/docs/zh/guide/README.md
index 3b153d7c..c7d74e19 100644
--- a/docs/zh/guide/README.md
+++ b/docs/zh/guide/README.md
@@ -108,9 +108,9 @@ D2Admin 仍然处于开发中，这里有一些暂时的计划：
 │  │  ├─ library
 │  │  └─ style
 │  ├─ components // 组件
-│  │  ├─ charts
-│  │  ├─ core
-│  │  └─ demo
+│  │  ├─ charts // 图表组件
+│  │  ├─ core // 核心组件
+│  │  └─ demo // 示例组件
 │  ├─ i18n // 多国语
 │  ├─ menu // 菜单
 │  ├─ mock // 模拟数据
diff --git a/package.json b/package.json
index d76f9b78..f763e040 100755
--- a/package.json
+++ b/package.json
@@ -25,6 +25,7 @@
     "github-markdown-css": "^2.10.0",
     "highlight.js": "^9.12.0",
     "js-cookie": "^2.2.0",
+    "lodash.clonedeep": "^4.5.0",
     "lodash.get": "^4.4.2",
     "lodash.uniqueid": "^4.0.1",
     "marked": "^0.3.9",
diff --git a/src/components/charts/G2/mixins/G2.js b/src/components/charts/G2/mixins/G2.js
index e0147a67..94a7103a 100644
--- a/src/components/charts/G2/mixins/G2.js
+++ b/src/components/charts/G2/mixins/G2.js
@@ -8,7 +8,13 @@ import propsChart from './props/chart'
 import propsD2 from './props/d2'
 
 // 工具
-import sleep from '@/utils/sleep.js'
+const sleep = async (time = 0) => {
+  return new Promise((resolve, reject) => {
+    setTimeout(() => {
+      resolve()
+    }, time)
+  })
+}
 
 // 关闭 G2 的体验改进计划打点请求
 G2.track(false)
diff --git a/src/pages/demo/plugins/mock/dpd.vue b/src/pages/demo/plugins/mock/dpd.vue
index 47a8c488..5c138aae 100644
--- a/src/pages/demo/plugins/mock/dpd.vue
+++ b/src/pages/demo/plugins/mock/dpd.vue
@@ -17,7 +17,7 @@
 
 <script>
 import Vue from 'vue'
-import clone from '@/utils/clone.js'
+import _clonedeep from 'lodash.clonedeep'
 import Mock from 'mockjs'
 import settingDPD from './data/settingDPD'
 import doc from './md/doc.md'
@@ -29,7 +29,7 @@ export default {
     return {
       mockResult: [],
       settingDPD,
-      settingDPDClone: clone(settingDPD),
+      settingDPDClone: _clonedeep(settingDPD),
       doc
     }
   },
diff --git a/src/pages/demo/plugins/mock/dtd.vue b/src/pages/demo/plugins/mock/dtd.vue
index 3eb7a3d9..4b5ac8b2 100644
--- a/src/pages/demo/plugins/mock/dtd.vue
+++ b/src/pages/demo/plugins/mock/dtd.vue
@@ -29,7 +29,7 @@
 
 <script>
 import Vue from 'vue'
-import clone from '@/utils/clone.js'
+import _clonedeep from 'lodash.clonedeep'
 import Mock from 'mockjs'
 import settingDTD from './data/settingDTD'
 import regexp from './mixins/regexp'
@@ -47,7 +47,7 @@ export default {
     return {
       mockResult: [],
       settingDTD,
-      settingDTDClone: clone(settingDTD),
+      settingDTDClone: _clonedeep(settingDTD),
       doc
     }
   },
diff --git a/src/utils/clone.js b/src/utils/clone.js
deleted file mode 100644
index 12618af8..00000000
--- a/src/utils/clone.js
+++ /dev/null
@@ -1,26 +0,0 @@
-// 功能
-// 深拷贝
-
-const clone = (obj) => {
-  var o
-  if (typeof obj === 'object') {
-    if (obj === null) {
-      o = null
-    } else {
-      if (obj instanceof Array) {
-        o = []
-        for (var i = 0, len = obj.length; i < len; i++) {
-          o.push(clone(obj[i]))
-        }
-      } else {
-        o = {}
-        for (var j in obj) {
-          o[j] = clone(obj[j])
-        }
-      }
-    }
-  } else { o = obj }
-  return o
-}
-
-export default clone
diff --git a/src/utils/sleep.js b/src/utils/sleep.js
deleted file mode 100644
index d1a97d2f..00000000
--- a/src/utils/sleep.js
+++ /dev/null
@@ -1,7 +0,0 @@
-export default async (time = 0) => {
-  return new Promise((resolve, reject) => {
-    setTimeout(() => {
-      resolve()
-    }, time)
-  })
-}