fix(docs): fix button demo

Author: kagol

packages/devui-vue/devui/drawer/src/drawer-service.ts

@@ -1,15 +1,15 @@
 import { createApp } from 'vue'
 import { DrawerProps } from './drawer-types'
 import Drawer from './drawer'
-
+import { inBrowser } from '../../shared/util/common-var'
 
 function createDrawerApp(props: DrawerProps) {
   return createApp(Drawer, { ...props })
 }
 
 export default class DrawerService {
 
-  static $body: HTMLElement | null = document.body
+  static $body: HTMLElement | null
   static $div: HTMLDivElement | null = null
   static drawer = null;
 
@@ -28,6 +28,8 @@ export default class DrawerService {
     }
     this.$div = null
   }
+}
 
-
-}
+if (inBrowser) {
+  DrawerService.$body = document.body
+}

packages/devui-vue/docs/components/button/index.md

@@ -144,7 +144,7 @@
     <d-button icon="delete" variant="text-dark" :disabled="true" title="delete"></d-button>
   </div>
   <div class="mb-l">
-    <d-button class="mr-xs" variant="common" class="mr-xs" bsSize="xs">
+    <d-button class="mr-xs" variant="common">
       Click me
       <span class="icon-chevron-down"></span>
     </d-button>