docs: slogan modify

package.json

@@ -4,7 +4,7 @@
   "npm": {
     "tag": "beta"
   },
-  "description": "一套京东风格的轻量级移动端 Vue 组件库",
+  "description": "京东风格的轻量级移动端 Vue 组件库",
   "main": "dist/nutui.umd.js",
   "module": "dist/nutui.es.js",
   "style": "dist/style.css",

src/sites/doc/components/Footer.vue

@@ -106,7 +106,7 @@
       </div>
     </div>
     <p class="doc-footer-desc"
-      >2021 京东零售 - 基础业务体验部.All Rights Reserved.</p
+      >2021 京东零售 - 基础业务体验部.&nbsp;All Rights Reserved.</p
     >
   </div>
 </template>

src/sites/doc/views/Main.vue

@@ -5,9 +5,7 @@
       <div class="content-left">
         <div class="content-title"> NutUI 3.0 </div>
         <div class="content-smile"> </div>
-        <div class="content-subTitle"
-          >一套京东风格的轻量级移动端 Vue 组件库</div
-        >
+        <div class="content-subTitle">京东风格的轻量级移动端 Vue 组件库</div>
         <div class="content-button">
           <div class="leftButton" @click="toIntro">
             <div class="leftButtonText">开始使用</div>

src/sites/mobile/components/Index.vue

@@ -4,7 +4,7 @@
       <img src="../../assets/images/logo-red.png" alt="" srcset="" />
       <div class="info">
         <h1>NutUI</h1>
-        <p>一套京东风格的轻量级移动端 Vue 组件库</p>
+        <p>京东风格的轻量级移动端 Vue 组件库</p>
       </div>
     </div>
     <div class="index-components">