更新组件演示页面，方便用户直接使用组件，去除tn-button的默认背景色，tn-avatar修改参数默认值，修复tn-avatar-group最开始头像进行了偏移、修复无法使用标签的bug，tn-badge修改参数默认值，tn-collapse-item修复背景颜色失效问题，滚动通知移除默认背景颜色和字体大小，tn-count-down修复时间单位不正确问题，列表组件修复背景颜色问题，tn-nav-bar返回按钮修改为可进行修改的图标，tn-step添加点击步骤进行跳转，tn-loading修复默认激活颜色出错问题，tn-tag移除默认背景颜色，优化阴影大小css

componentsPage/count-scroll/count-scroll.vue

@@ -1,6 +1,6 @@
 <template>
 
-  <view class="components-count_scroll">
+  <view class="components-count_scroll tn-safe-area-inset-bottom">
 
     <!-- 顶部自定义导航 -->
     <tn-nav-bar fixed>countScroll数字滚动</tn-nav-bar>
@@ -8,16 +8,37 @@
     <!-- 页面内容 -->
     <view :style="{paddingTop: vuex_custom_bar_height + 'px'}">
       
-      <dynamic-demo-template ref="demoTemplate" :tips="tips" :sectionList="sectionList" :full="false" @click="click">
-        <tn-count-scroll
-          :value="value"
-          :height="height"
-          :fontColor="fontColor"
-          :fontSize="fontSize"
-          :bold="bold"
-          :duration="duration"
-        ></tn-count-scroll>
-      </dynamic-demo-template>
+      <demo-title title="基本使用">
+        <view class="tn-flex tn-flex-col-center tn-flex-row-left">
+          <view>
+            <tn-count-scroll :value="888.88"></tn-count-scroll>
+          </view>
+          <view class="tn-margin-left">
+            <tn-count-scroll :value="9999"></tn-count-scroll>
+          </view>
+        </view>
+      </demo-title>
+      
+      <demo-title title="加长持续时间">
+        <view class="tn-flex tn-flex-col-center tn-flex-row-left">
+          <view>
+            <tn-count-scroll :value="888.88" :duration="0.5"></tn-count-scroll>
+          </view>
+          <view class="tn-margin-left">
+            <tn-count-scroll :value="9999" :duration="3"></tn-count-scroll>
+          </view>
+        </view>
+      </demo-title>
+      
+      <demo-title title="字体加大加粗">
+        <tn-count-scroll :value="888.88" :height="100" :fontSize="100" :bold="true"></tn-count-scroll>
+      </demo-title>
+      
+      <demo-title title="自定义颜色">
+        <tn-count-scroll :value="888.88" fontColor="#E88C30"></tn-count-scroll>
+      </demo-title>
+      
+      <view class="tn-padding-bottom-lg"></view>
 
     </view>
 
@@ -26,85 +47,22 @@
 </template>
 
 <script>
-  import dynamicDemoTemplate from '@/libs/components/dynamic-demo-template.vue'
+  import demoTitle from '@/libs/components/demo-title.vue'
   export default {
     name: 'componentsCountTo',
-    components: {dynamicDemoTemplate},
+    components: {demoTitle},
     data() {
       return {
-        value: 888.88,
-        height: 32,
-        fontColor: '#080808',
-        fontSize: 32,
-        bold: false,
-        duration: 1.2,
-        
-        tips: ['无需依赖额外的样式文件','使用tn-count-scroll组件'],
-        sectionList: [
-          {
-            name: '参数切换',
-            section: [
-              {
-                title: '值',
-                optional: ['90','1234','888.88'],
-                methods: 'valueChange',
-                current: 2
-              },
-              {
-                title: '持续时间',
-                optional: ['默认','0.5', '3'],
-                methods: 'durationChange'
-              },
-              {
-                title: '加粗',
-                optional: ['默认','加粗'],
-                methods: 'boldChange'
-              },
-              {
-                title: '自定义样式',
-                optional: ['默认','自定义'],
-                methods: 'customStyleChange'
-              }
-            ]
-          }
-        ]
       }
     },
     methods: {
-      click(event) {
-        this[event.methods] && this[event.methods](event)
-      },
-      // 切换值
-      valueChange(event) {
-        this.value = Number(event.name)
-      },
-      // 切换持续时间
-      durationChange(event) {
-        this.duration = event.index === 0 ? 1.2 : Number(event.name)
-      },
-      // 切换加粗
-      boldChange(event) {
-        this.bold = event.index === 0 ? false : true
-      },
-      // 切换自定义样式
-      customStyleChange(event) {
-        switch(event.index) {
-          case 0:
-            this.height = 32
-            this.fontColor = '#080808'
-            this.fontSize = 32
-            break
-          case 1:
-            this.height = 80
-            this.fontColor = '#E88C30'
-            this.fontSize = 80
-            break
-        }
-      },
-    },
+    }
 
   }
 </script>
 
 <style lang="scss" scoped>
+  .components-count_scroll {
+    min-height: 100vh;
+  }
 </style>