diff --git a/src/pages/demo/plugins/day/index.vue b/src/pages/demo/plugins/day/index.vue
index 3c271932..ce864c84 100644
--- a/src/pages/demo/plugins/day/index.vue
+++ b/src/pages/demo/plugins/day/index.vue
@@ -1,58 +1,61 @@
 <template>
   <d2-container type="full">
-    <template slot="header">
-      <el-button @click="handleReset">重新设置基础时间 this.now = dayjs()</el-button>
-    </template>
-    <h1 class="d2-mt-0">当前时间</h1>
+    <template slot="header">日期计算</template>
+    <h1 class="d2-mt-0">解析</h1>
     <el-row :gutter="20" class="d2-mt">
-      <el-col :span="24"><el-card shadow="never"><d2-highlight slot="header" :code="`now.format('YYYY年M月D日 HH:mm:ss')`"/>{{now.format('YYYY年M月D日 HH:mm:ss')}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 当前时间\ndayjs()`"/>{{dayjs()}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 时间字符串\ndayjs('1995-12-25')`"/>{{dayjs('1995-12-25')}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// Unix 时间戳 (毫秒)\ndayjs(1318781876406)`"/>{{dayjs(1318781876406)}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// Date 对象\ndayjs(new Date(2018, 8, 18))`"/>{{dayjs(new Date(2018, 8, 18))}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never"><d2-highlight slot="header" :code="`// 复制\ndayjs().clone()`"/>{{dayjs().clone()}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never"><d2-highlight slot="header" :code="`// 检测是否是一个有效的时间\ndayjs().isValid()`"/>{{dayjs().isValid()}}</el-card></el-col>
     </el-row>
     <h1>获取</h1>
     <el-row :gutter="20" class="d2-mt">
-      <el-col :span="6"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 获取年\nnow.year()`"/>{{now.year()}}</el-card></el-col>
-      <el-col :span="6"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 获取月\nnow.month()`"/>{{now.month()}}</el-card></el-col>
-      <el-col :span="6"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 获取日\nnow.date()`"/>{{now.date()}}</el-card></el-col>
-      <el-col :span="6"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 获取星期\nnow.day()`"/>{{now.day()}}</el-card></el-col>
-      <el-col :span="6"><el-card shadow="never"><d2-highlight slot="header" :code="`// 获取小时\nnow.hour()`"/>{{now.hour()}}</el-card></el-col>
-      <el-col :span="6"><el-card shadow="never"><d2-highlight slot="header" :code="`// 获取分钟\nnow.minute()`"/>{{now.minute()}}</el-card></el-col>
-      <el-col :span="6"><el-card shadow="never"><d2-highlight slot="header" :code="`// 获取秒\nnow.second()`"/>{{now.second()}}</el-card></el-col>
-      <el-col :span="6"><el-card shadow="never"><d2-highlight slot="header" :code="`// 获取毫秒\nnow.millisecond()`"/>{{now.millisecond()}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 获取年\ndayjs().year()`"/>{{dayjs().year()}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 获取月\ndayjs().month()`"/>{{dayjs().month()}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 获取日\ndayjs().date()`"/>{{dayjs().date()}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 获取星期\ndayjs().day()`"/>{{dayjs().day()}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never"><d2-highlight slot="header" :code="`// 获取小时\ndayjs().hour()`"/>{{dayjs().hour()}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never"><d2-highlight slot="header" :code="`// 获取分钟\ndayjs().minute()`"/>{{dayjs().minute()}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never"><d2-highlight slot="header" :code="`// 获取秒\ndayjs().second()`"/>{{dayjs().second()}}</el-card></el-col>
+      <el-col :span="6"><el-card shadow="never"><d2-highlight slot="header" :code="`// 获取毫秒\ndayjs().millisecond()`"/>{{dayjs().millisecond()}}</el-card></el-col>
     </el-row>
     <h1>设置</h1>
     <el-row :gutter="20" class="d2-mt">
-      <el-col :span="8"><el-card shadow="never"><d2-highlight slot="header" :code="`// 设置月份\nnow.set('month', 6).month()`"/>{{now.set('month', 6).month()}}</el-card></el-col>
-      <el-col :span="8"><el-card shadow="never"><d2-highlight slot="header" :code="`// 设置秒\nnow.set('second', 30).second()`"/>{{now.set('second', 30).second()}}</el-card></el-col>
-      <el-col :span="8"><el-card shadow="never"><d2-highlight slot="header" :code="`// 设置小时\nnow.set('hour', 4).hour()`"/>{{now.set('hour', 4).hour()}}</el-card></el-col>
+      <el-col :span="8"><el-card shadow="never"><d2-highlight slot="header" :code="`// 设置月份\ndayjs().set('month', 6).month()`"/>{{dayjs().set('month', 6).month()}}</el-card></el-col>
+      <el-col :span="8"><el-card shadow="never"><d2-highlight slot="header" :code="`// 设置秒\ndayjs().set('second', 30).second()`"/>{{dayjs().set('second', 30).second()}}</el-card></el-col>
+      <el-col :span="8"><el-card shadow="never"><d2-highlight slot="header" :code="`// 设置小时\ndayjs().set('hour', 4).hour()`"/>{{dayjs().set('hour', 4).hour()}}</el-card></el-col>
     </el-row>
     <h1>操作</h1>
     <el-row :gutter="20" class="d2-mt">
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 增加\nnow.add(1, 'day').format('YYYY年M月D日 HH:mm:ss')`"/>{{now.add(1, 'day').format('YYYY年M月D日 HH:mm:ss')}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 减少\nnow.subtract(7, 'year').format('YYYY年M月D日 HH:mm:ss')`"/>{{now.subtract(7, 'year').format('YYYY年M月D日 HH:mm:ss')}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never"><d2-highlight slot="header" :code="`// 开头时间\nnow.startOf('year').format('YYYY年M月D日 HH:mm:ss')`"/>{{now.startOf('year').format('YYYY年M月D日 HH:mm:ss')}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never"><d2-highlight slot="header" :code="`// 末尾时间\nnow.endOf('month').format('YYYY年M月D日 HH:mm:ss')`"/>{{now.endOf('month').format('YYYY年M月D日 HH:mm:ss')}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 增加\ndayjs().add(1, 'day').format('YYYY年M月D日 HH:mm:ss')`"/>{{dayjs().add(1, 'day').format('YYYY年M月D日 HH:mm:ss')}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 减少\ndayjs().subtract(7, 'year').format('YYYY年M月D日 HH:mm:ss')`"/>{{dayjs().subtract(7, 'year').format('YYYY年M月D日 HH:mm:ss')}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never"><d2-highlight slot="header" :code="`// 开头时间\ndayjs().startOf('year').format('YYYY年M月D日 HH:mm:ss')`"/>{{dayjs().startOf('year').format('YYYY年M月D日 HH:mm:ss')}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never"><d2-highlight slot="header" :code="`// 末尾时间\ndayjs().endOf('month').format('YYYY年M月D日 HH:mm:ss')`"/>{{dayjs().endOf('month').format('YYYY年M月D日 HH:mm:ss')}}</el-card></el-col>
     </el-row>
     <h1>显示</h1>
     <el-row :gutter="20" class="d2-mt">
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 格式化\nnow.format('YYYY-M-D HH:mm:ss')`"/>{{now.format('YYYY-M-D HH:mm:ss')}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 时间差\nnow.diff(now.subtract(1, 'day'), 'days')`"/>{{now.diff(now.subtract(1, 'day'), 'days')}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// Unix 时间戳 (毫秒)\nnow.valueOf()`"/>{{now.valueOf()}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// Unix 时间戳 (秒)\nnow.unix()`"/>{{now.unix()}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 天数 (月)\nnow.daysInMonth()`"/>{{now.daysInMonth()}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// Date 对象\nnow.toDate()`"/>{{now.toDate()}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 数组\nnow.toArray()`"/>{{now.toArray()}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 序列化 Dayjs 对象时会返回 ISO 8601 格式的字符串\nnow.toJSON()`"/>{{now.toJSON()}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// ISO 8601 字符串\nnow.toISOString()`"/>{{now.toISOString()}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 字符串\nnow.toString()`"/>{{now.toString()}}</el-card></el-col>
-      <el-col :span="24"><el-card shadow="never"><d2-highlight slot="header" :code="`// 对象\nnow.toObject()`"/>{{now.toObject()}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 格式化\ndayjs().format('YYYY-M-D HH:mm:ss')`"/>{{dayjs().format('YYYY-M-D HH:mm:ss')}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 时间差\ndayjs().diff(dayjs().subtract(1, 'day'), 'days')`"/>{{dayjs().diff(dayjs().subtract(1, 'day'), 'days')}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// Unix 时间戳 (毫秒)\ndayjs().valueOf()`"/>{{dayjs().valueOf()}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// Unix 时间戳 (秒)\ndayjs().unix()`"/>{{dayjs().unix()}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 天数 (月)\ndayjs().daysInMonth()`"/>{{dayjs().daysInMonth()}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// Date 对象\ndayjs().toDate()`"/>{{dayjs().toDate()}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 数组\ndayjs().toArray()`"/>{{dayjs().toArray()}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 序列化 Dayjs 对象时会返回 ISO 8601 格式的字符串\ndayjs().toJSON()`"/>{{dayjs().toJSON()}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// ISO 8601 字符串\ndayjs().toISOString()`"/>{{dayjs().toISOString()}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 字符串\ndayjs().toString()`"/>{{dayjs().toString()}}</el-card></el-col>
+      <el-col :span="24"><el-card shadow="never"><d2-highlight slot="header" :code="`// 对象\ndayjs().toObject()`"/>{{dayjs().toObject()}}</el-card></el-col>
     </el-row>
     <h1>查询</h1>
     <el-row :gutter="20" class="d2-mt">
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 是否之前\nnow.isBefore(now.add(1, 'day'))`"/>{{now.isBefore(now.add(1, 'day'))}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 是否之前\nnow.isBefore(now.subtract(1, 'day'))`"/>{{now.isBefore(now.subtract(1, 'day'))}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 是否相同\nnow.isSame(now)`"/>{{now.isSame(now)}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 是否相同\nnow.isSame(now.add(1, 'day'))`"/>{{now.isSame(now.add(1, 'day'))}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never"><d2-highlight slot="header" :code="`// 是否之后\nnow.isAfter(now.add(1, 'day'))`"/>{{now.isAfter(now.add(1, 'day'))}}</el-card></el-col>
-      <el-col :span="12"><el-card shadow="never"><d2-highlight slot="header" :code="`// 是否之后\nnow.isAfter(now.subtract(1, 'day'))`"/>{{now.isAfter(now.subtract(1, 'day'))}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 是否之前\ndayjs().isBefore(dayjs().add(1, 'day'))`"/>{{dayjs().isBefore(dayjs().add(1, 'day'))}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 是否之前\ndayjs().isBefore(dayjs().subtract(1, 'day'))`"/>{{dayjs().isBefore(dayjs().subtract(1, 'day'))}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 是否相同\ndayjs().isSame(dayjs())`"/>{{dayjs().isSame(dayjs())}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never" class="d2-mb"><d2-highlight slot="header" :code="`// 是否相同\ndayjs().isSame(dayjs().add(1, 'day'))`"/>{{dayjs().isSame(dayjs().add(1, 'day'))}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never"><d2-highlight slot="header" :code="`// 是否之后\ndayjs().isAfter(dayjs().add(1, 'day'))`"/>{{dayjs().isAfter(dayjs().add(1, 'day'))}}</el-card></el-col>
+      <el-col :span="12"><el-card shadow="never"><d2-highlight slot="header" :code="`// 是否之后\ndayjs().isAfter(dayjs().subtract(1, 'day'))`"/>{{dayjs().isAfter(dayjs().subtract(1, 'day'))}}</el-card></el-col>
     </el-row>
     <template slot="footer">
       <d2-demo-link-btn title="依赖" :link="link"/>
@@ -66,12 +69,7 @@ export default {
   data () {
     return {
       link: 'https://github.com/iamkun/dayjs',
-      now: dayjs()
-    }
-  },
-  methods: {
-    handleReset () {
-      this.now = dayjs()
+      dayjs
     }
   }
 }