[更新] container 文档

docs/docs/zh-CN/components/container.md

@@ -1,7 +1,9 @@
 ::: demo
 
 <template>
-  <lay-container></lay-container>
+  <lay-container>
+    <div class="container-demo"></div>
+  </lay-container>
 </template>
 
 <script>
@@ -16,12 +18,22 @@ export default {
 }
 </script>
 
+<style>
+    .container-demo {
+        width:100%;
+        height: 300px;
+        background: #79C48C;
+    }
+</style>
+
 :::
 
 ::: demo
 
 <template>
-  <lay-container fluid></lay-container>
+  <lay-container fluid>
+      <div class="container-demo"></div>
+  </lay-container>
 </template>
 
 <script>
@@ -36,4 +48,12 @@ export default {
 }
 </script>
 
+<style>
+    .container-demo {
+        width:100%;
+        height: 300px;
+        background: #79C48C;
+    }
+</style>
+
 :::

docs/docs/zh-CN/guide/home.md

@@ -1 +1,5 @@
 ##### 介绍
+
+<lay-block>
+layui（谐音：类 UI) 是一套开源的 Web UI 解决方案
+</lay-block>