diff --git a/src/assets/style/fixed/base.scss b/src/assets/style/fixed/base.scss
index 559bd2a1..692bb1cf 100644
--- a/src/assets/style/fixed/base.scss
+++ b/src/assets/style/fixed/base.scss
@@ -1,7 +1,12 @@
 // 优化显示
 
-body {
+html, body {
   margin: 0px;
+  height: 100%;
+  background-color: $color-bg;
+  #app {
+    height: 100%;
+  }
 }
 
 pre {
diff --git a/src/assets/style/public-class.scss b/src/assets/style/public-class.scss
index e9dc86b9..275e3b16 100644
--- a/src/assets/style/public-class.scss
+++ b/src/assets/style/public-class.scss
@@ -15,14 +15,8 @@
 // 注意 这个文件里只写class
 // mixin等内容请在 public.scss 里书写
 
-html, body {
-  height: 100%;
-  background-color: $color-bg;
-  #app {
-    height: 100%;
-  }
-}
 
+// 浮动相关
 .fl {
   float: left;
 }
@@ -38,10 +32,35 @@ html, body {
   clear: both
 }
 
-// 下边距
+// 边距相关
+.m {
+  margin: $margin;
+}
+.mt {
+  margin-top: $margin;
+}
+.mr {
+  margin-right: $margin;
+}
 .mb {
   margin-bottom: $margin;
 }
+.ml {
+  margin-left: $margin;
+}
+
+.m-0 {
+  margin: 0px;
+}
+.mt-0 {
+  margin-top: 0px;
+}
+.mr-0 {
+  margin-right: 0px;
+}
 .mb-0 {
   margin-bottom: 0px;
 }
+.ml-0 {
+  margin-left: 0px;
+}
diff --git a/src/pages/demo/plugins/vue-grid-layout/readme.vue b/src/pages/demo/plugins/vue-grid-layout/readme.vue
deleted file mode 100644
index 7e47dfb3..00000000
--- a/src/pages/demo/plugins/vue-grid-layout/readme.vue
+++ /dev/null
@@ -1,10 +0,0 @@
-<template>
-  <Container>
-    <PageHeader
-      slot="header"
-      title="README.md"
-      url="https://github.com/jbaysolutions/vue-grid-layout">
-    </PageHeader>
-    <Markdown url="https://raw.githubusercontent.com/jbaysolutions/vue-grid-layout/master/README.md"></Markdown>
-  </Container>
-</template>
\ No newline at end of file
diff --git a/src/router/menu/_plugin.js b/src/router/menu/_plugin.js
index 66ec4181..d2e692df 100644
--- a/src/router/menu/_plugin.js
+++ b/src/router/menu/_plugin.js
@@ -76,13 +76,6 @@ export const pluginMenu = {
       title: '网格布局',
       icon: 'object-ungroup',
       children: [
-        {
-          title: 'README',
-          icon: 'file-text',
-          path: 'vue-grid-layout/readme',
-          name: 'demo-plugin-vue-grid-layout-readme',
-          component: resolve => { require(['@/pages/demo/plugins/vue-grid-layout/readme.vue'], resolve) }
-        },
         {
           title: '基本示例',
           icon: 'file-o',