first add files

ProjectLiaisonForm/pages/count-down/skyline/count-down.d.ts

@@ -0,0 +1 @@
+

ProjectLiaisonForm/pages/count-down/skyline/count-down.js

@@ -0,0 +1 @@
+Page({});

ProjectLiaisonForm/pages/count-down/skyline/count-down.json

@@ -0,0 +1,11 @@
+{
+  "navigationStyle": "custom",
+  "renderer": "skyline",
+  "componentFramework": "glass-easel",
+  "disableScroll": true,
+  "usingComponents": {
+    "t-navbar": "tdesign-miniprogram/navbar/navbar",
+    "base": "../base",
+    "size": "../size"
+  }
+}

ProjectLiaisonForm/pages/count-down/skyline/count-down.wxml

@@ -0,0 +1,15 @@
+<view class="skyline">
+  <t-navbar class="demo-navbar" title="CountDown" leftArrow />
+  <scroll-view scroll-y type="list" class="scroll-view">
+    <view class="demo-title">CountDown 倒计时</view>
+    <view class="demo-desc">用于实时展示倒计时数值。</view>
+
+    <t-demo padding title="01 组件类型">
+      <base />
+    </t-demo>
+
+    <t-demo padding title="02 组件尺寸" desc="倒计时 large/medium/small 尺寸">
+      <size />
+    </t-demo>
+  </scroll-view>
+</view>

ProjectLiaisonForm/pages/count-down/skyline/count-down.wxss

@@ -0,0 +1,3 @@
+page {
+  background-color: var(--td-bg-color-container);
+}