diff --git a/package.json b/package.json
index 63b2902..c29943f 100644
--- a/package.json
+++ b/package.json
@@ -64,7 +64,7 @@
     "taze": "^18.4.0",
     "tdesign-icons-vue-next": "^0.3.4",
     "ts-enum-util": "^4.1.0",
-    "utils4u": "^3.3.0",
+    "utils4u": "^4.0.0",
     "vant": "^4.9.16",
     "vite-plugin-webfont-dl": "^3.10.4",
     "vue": "^3.5.13",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 24483c0..e7392f4 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -94,8 +94,8 @@ importers:
         specifier: ^4.1.0
         version: 4.1.0
       utils4u:
-        specifier: ^3.3.0
-        version: 3.3.0(@vueuse/core@12.5.0(typescript@5.7.3))(dayjs@1.11.13)(nprogress@0.2.0)(primevue@4.2.5(vue@3.5.13(typescript@5.7.3)))(vant@4.9.16(vue@3.5.13(typescript@5.7.3)))(vue-router@4.5.0(vue@3.5.13(typescript@5.7.3)))(vue@3.5.13(typescript@5.7.3))
+        specifier: ^4.0.0
+        version: 4.0.0(@vueuse/core@12.5.0(typescript@5.7.3))(dayjs@1.11.13)(nprogress@0.2.0)(primevue@4.2.5(vue@3.5.13(typescript@5.7.3)))(vant@4.9.16(vue@3.5.13(typescript@5.7.3)))(vue-router@4.5.0(vue@3.5.13(typescript@5.7.3)))(vue@3.5.13(typescript@5.7.3))
       vant:
         specifier: ^4.9.16
         version: 4.9.16(vue@3.5.13(typescript@5.7.3))
@@ -912,6 +912,10 @@ packages:
     resolution: {integrity: sha512-DvpNSxiMrFqYMaGSRDDnQgO/L0MqNH4KWw9CUx8LRHHIdWp08En9DpmSRNpauUOxKpHAhyJJxx92BHZk9J84EQ==}
     engines: {node: '>= 16'}
 
+  '@intlify/shared@11.1.1':
+    resolution: {integrity: sha512-2kGiWoXaeV8HZlhU/Nml12oTbhv7j2ufsJ5vQaa0VTjzUmZVdd/nmKFRAOJ/FtjO90Qba5AnZDwsrY7ZND5udA==}
+    engines: {node: '>= 16'}
+
   '@intlify/unplugin-vue-i18n@6.0.3':
     resolution: {integrity: sha512-9ZDjBlhUHtgjRl23TVcgfJttgu8cNepwVhWvOv3mUMRDAhjW0pur1mWKEUKr1I8PNwE4Gvv2IQ1xcl4RL0nG0g==}
     engines: {node: '>= 18'}
@@ -4905,8 +4909,8 @@ packages:
   util-deprecate@1.0.2:
     resolution: {integrity: sha512-EPD5q1uXyFxJpCrLnCc1nHnq3gOa6DZBocAIiI2TaSCA7VCJ1UJDMagCzIkXNsUYfD1daK//LTEQ8xiIbrHtcw==}
 
-  utils4u@3.3.0:
-    resolution: {integrity: sha512-F/x1wa6jzh5Pnpq8epM3jyvVpuPpDkPlz06vrlqOzqsjNwjvDX+YZkazRzGKbpKRfiX73LXkyOcJdHOmojFpcQ==}
+  utils4u@4.0.0:
+    resolution: {integrity: sha512-hOEvgmj8Tjy3Y4dHqOhMRTudjUDxeQx++Wk9Q4I7G2ONNgDnWDr9oPLfQLHGbogKMEgMubVDOH5+aEr2rhDaQw==}
     peerDependencies:
       '@vueuse/core': ^12.3.0
       dayjs: ^1.11.13
@@ -5818,12 +5822,14 @@ snapshots:
 
   '@intlify/shared@11.1.0': {}
 
+  '@intlify/shared@11.1.1': {}
+
   '@intlify/unplugin-vue-i18n@6.0.3(@vue/compiler-dom@3.5.13)(eslint@9.19.0(jiti@2.4.2))(rollup@4.34.4)(typescript@5.7.3)(vue-i18n@11.1.0(vue@3.5.13(typescript@5.7.3)))(vue@3.5.13(typescript@5.7.3))':
     dependencies:
       '@eslint-community/eslint-utils': 4.4.1(eslint@9.19.0(jiti@2.4.2))
       '@intlify/bundle-utils': 10.0.0(vue-i18n@11.1.0(vue@3.5.13(typescript@5.7.3)))
-      '@intlify/shared': 11.1.0
-      '@intlify/vue-i18n-extensions': 8.0.0(@intlify/shared@11.1.0)(@vue/compiler-dom@3.5.13)(vue-i18n@11.1.0(vue@3.5.13(typescript@5.7.3)))(vue@3.5.13(typescript@5.7.3))
+      '@intlify/shared': 11.1.1
+      '@intlify/vue-i18n-extensions': 8.0.0(@intlify/shared@11.1.1)(@vue/compiler-dom@3.5.13)(vue-i18n@11.1.0(vue@3.5.13(typescript@5.7.3)))(vue@3.5.13(typescript@5.7.3))
       '@rollup/pluginutils': 5.1.4(rollup@4.34.4)
       '@typescript-eslint/scope-manager': 8.23.0
       '@typescript-eslint/typescript-estree': 8.23.0(typescript@5.7.3)
@@ -5845,11 +5851,11 @@ snapshots:
       - supports-color
       - typescript
 
-  '@intlify/vue-i18n-extensions@8.0.0(@intlify/shared@11.1.0)(@vue/compiler-dom@3.5.13)(vue-i18n@11.1.0(vue@3.5.13(typescript@5.7.3)))(vue@3.5.13(typescript@5.7.3))':
+  '@intlify/vue-i18n-extensions@8.0.0(@intlify/shared@11.1.1)(@vue/compiler-dom@3.5.13)(vue-i18n@11.1.0(vue@3.5.13(typescript@5.7.3)))(vue@3.5.13(typescript@5.7.3))':
     dependencies:
       '@babel/parser': 7.26.7
     optionalDependencies:
-      '@intlify/shared': 11.1.0
+      '@intlify/shared': 11.1.1
       '@vue/compiler-dom': 3.5.13
       vue: 3.5.13(typescript@5.7.3)
       vue-i18n: 11.1.0(vue@3.5.13(typescript@5.7.3))
@@ -10224,7 +10230,7 @@ snapshots:
 
   util-deprecate@1.0.2: {}
 
-  utils4u@3.3.0(@vueuse/core@12.5.0(typescript@5.7.3))(dayjs@1.11.13)(nprogress@0.2.0)(primevue@4.2.5(vue@3.5.13(typescript@5.7.3)))(vant@4.9.16(vue@3.5.13(typescript@5.7.3)))(vue-router@4.5.0(vue@3.5.13(typescript@5.7.3)))(vue@3.5.13(typescript@5.7.3)):
+  utils4u@4.0.0(@vueuse/core@12.5.0(typescript@5.7.3))(dayjs@1.11.13)(nprogress@0.2.0)(primevue@4.2.5(vue@3.5.13(typescript@5.7.3)))(vant@4.9.16(vue@3.5.13(typescript@5.7.3)))(vue-router@4.5.0(vue@3.5.13(typescript@5.7.3)))(vue@3.5.13(typescript@5.7.3)):
     optionalDependencies:
       '@vueuse/core': 12.5.0(typescript@5.7.3)
       dayjs: 1.11.13
diff --git a/src/components/send-sms.vue b/src/components/send-sms.vue
index 9a2a4d8..a7a179b 100644
--- a/src/components/send-sms.vue
+++ b/src/components/send-sms.vue
@@ -9,7 +9,7 @@
 </template>
 
 <script setup lang="ts">
-const { countdownTime, triggerCountdown, isCounting } = useCountdown($__DEV__ ? 5 : 60);
+const { remaining: countdownTime, start: startCountdown, isActive: isCounting } = useCountdown($__DEV__ ? 3 : 60);
 
 const isSending = ref(false);
 const sendSms = async () => {
@@ -17,7 +17,7 @@ const sendSms = async () => {
   isSending.value = true;
   try {
     await new Promise((resolve) => setTimeout(resolve, 1000));
-    triggerCountdown();
+    startCountdown();
     ToastService.add({ severity: 'info', summary: '提示', life: 3000, detail: '验证码发送成功' });
   } finally {
     isSending.value = false;
diff --git a/src/pages/SAT/Viewer.vue b/src/pages/SAT/CesiumViewer.vue
similarity index 76%
rename from src/pages/SAT/Viewer.vue
rename to src/pages/SAT/CesiumViewer.vue
index 33a3949..c093296 100644
--- a/src/pages/SAT/Viewer.vue
+++ b/src/pages/SAT/CesiumViewer.vue
@@ -11,12 +11,16 @@ import {
   ImageryLayer,
   // VERSION,
   EmbeddedTileServiceImageryProvider,
+  DynamicTimeline,
+  SpaceEntity,
 } from 'orbpro';
 
-// let viewer: Viewer;
+import { demoOrbitGeneration } from './fns';
+
+let viewer: Viewer;
 
 onMounted(() => {
-  new Viewer('cesiumContainer', {
+  viewer = new Viewer('cesiumContainer', {
     // globe: false, // 地球
     baseLayerPicker: true,
     homeButton: true, // Home按钮
@@ -26,10 +30,10 @@ onMounted(() => {
     navigationHelpButton: !true, // 是否显示导航帮助按钮
     projectionPicker: !true, // 投影选择器
     sceneModePicker: true, // 是否显示场景模式选择器(2D/3D切换)
-    animation: !true, // 是否创建动画小部件
+    animation: true, // 是否创建动画小部件
     animationContainer: !true,
     timeline: !true, // If set to false, the Timeline widget will not be created.
-    timelineContainer: !true,
+    timelineContainer: true,
     selectionIndicator: true,
     requestRenderMode: !true, // 如果为真，渲染帧将仅在场景内部发生变化时需要时发生。启用此功能可以减少应用程序的CPU/GPU使用率，并在移动设备上节省更多电量，但在此模式下需要使用{@link Scene#requestRender}显式渲染新帧。在API的其他部分对场景进行更改后，在许多情况下都需要这样做。请参阅{@link https://cesium.com/blog/2018/01/24/cesium-scene-rendering-performance/|使用显式渲染提高性能}。
     showRenderLoopErrors: true, // 如果为真，当发生渲染循环错误时，此小部件将自动向用户显示包含错误的HTML面板。
@@ -37,11 +41,24 @@ onMounted(() => {
     orderIndependentTranslucency: false, // 顺序无关透明度
     shadows: true, // Determines if shadows are cast by light sources.
   });
+  viewer.scene.debugShowFramesPerSecond = true;
+
+  new DynamicTimeline(viewer.timeline.container, viewer);
+
+  // @ts-expect-error Open console to debug app
+  globalThis.viewer = viewer;
+
+  /* if ($__DEV__)  */ demoOrbitGeneration(viewer);
 });
 </script>
 
 <template>
-  <div id="cesiumContainer" />
+  <div class="h-full flex flex-col gap-2">
+    <div class="shrink-0">
+      <Button @click="demoOrbitGeneration(viewer)">轨道生成</Button>
+    </div>
+    <div id="cesiumContainer" class="flex-1" />
+  </div>
   <!--
   {#if $selectedEntity}
     <SelectionWidget {viewer} />
@@ -51,7 +68,6 @@ onMounted(() => {
 
 <style>
 #cesiumContainer {
-  height: 100%;
   width: 100%;
 }
 </style>
diff --git a/src/pages/SAT/fns/demo.ts b/src/pages/SAT/fns/demo.ts
new file mode 100644
index 0000000..80618ef
--- /dev/null
+++ b/src/pages/SAT/fns/demo.ts
@@ -0,0 +1,148 @@
+import { PromiseConfirmationService } from '@/utils';
+import {
+  Cartesian2,
+  Cartesian3,
+  Color,
+  MakeBillboardLabel,
+  NearFarScalar,
+  SpaceCatalogDataSource,
+  SpaceEntity,
+  VerticalOrigin,
+  viewerReferenceFrameMixin,
+  type Viewer,
+} from 'orbpro';
+
+declare global {
+  interface Window {
+    spaceCatalog: SpaceCatalogDataSource;
+  }
+}
+
+export async function demoOrbitGeneration(viewer: Viewer) {
+  window.spaceCatalog = new SpaceCatalogDataSource({ name: 'celestrak' });
+  viewer.extend(viewerReferenceFrameMixin);
+  viewer.referenceFrame = 1;
+
+  // https://spacedatastandards.org/#/standards?search=OMM
+  const ISS = new SpaceEntity({
+    id: '25544',
+    name: 'ISS',
+    point: {
+      pixelSize: 1,
+    },
+    label: {
+      show: false,
+      font: `1rem Helvetica`,
+      showBackground: true,
+      backgroundColor: new Color(0.1, 0.1, 0.1, 0.9),
+      pixelOffset: new Cartesian2(10, 0),
+      scaleByDistance: new NearFarScalar(1.5e2, 1.5, 13.0e7, 0.0),
+      pixelOffsetScaleByDistance: new NearFarScalar(1.5e2, 3.0, 1.5e7, 0.5),
+    },
+    viewFrom: new Cartesian3(-1678500.7493507154, -17680994.63403464, 24667690.486357275),
+  });
+
+  ISS.position.loadOMM({
+    /* CCSDS OMM版本 */ CCSDS_OMM_VERS: 0.0,
+    /* 创建日期(ISO 8601 UTC格式) */ CREATION_DATE: null,
+    /* 创建者 */ ORIGINATOR: null,
+    /* 卫星名称 */ OBJECT_NAME: 'ISS (ZARYA)',
+    /* 国际标识符(YYYY-NNNAAA) */ OBJECT_ID: '1998-067A',
+    /* 中心名称(例如:EARTH, MARS) */ CENTER_NAME: null,
+    /* 参考坐标系 */ REFERENCE_FRAME: 2,
+    /* 参考坐标系历元(ISO 8601 UTC格式) */ REFERENCE_FRAME_EPOCH: null,
+    /* 时间系统[M, UTC] */ TIME_SYSTEM: 11,
+    /* 平均元素理论 */ MEAN_ELEMENT_THEORY: 0,
+    /* 注释 */ COMMENT: null,
+    /* 平均开普勒根数的历元(ISO 8601 UTC格式) */ EPOCH: '2024-05-08T19:52:52.426848',
+    /* 半长轴(km) */ SEMI_MAJOR_AXIS: 0,
+    /* 平均运动(圈/天) */ MEAN_MOTION: 15.51025615,
+    /* 偏心率(无量纲) */ ECCENTRICITY: 0.0003349,
+    /* 轨道倾角(度) */ INCLINATION: 51.6355,
+    /* 升交点赤经(度) */ RA_OF_ASC_NODE: 150.5366,
+    /* 近地点幅角(度) */ ARG_OF_PERICENTER: 149.2285,
+    /* 平近点角(度) */ MEAN_ANOMALY: 210.8902,
+    /* 引力常数(km³/s²) */ GM: 0,
+    /* 质量(kg) */ MASS: 0,
+    /* 太阳辐射面积(m²) */ SOLAR_RAD_AREA: 0,
+    /* 太阳辐射压系数(无量纲) */ SOLAR_RAD_COEFF: 0,
+    /* 大气阻力面积(m²) */ DRAG_AREA: 0,
+    /* 大气阻力系数(无量纲) */ DRAG_COEFF: 0,
+    /* 星历类型(SGP,SGP4等) */ EPHEMERIS_TYPE: 0,
+    /* 分类类型,默认'U' */ CLASSIFICATION_TYPE: 'U',
+    /* NORAD编号 */ NORAD_CAT_ID: 25544,
+    /* 根数组编号 */ ELEMENT_SET_NO: 999,
+    /* 历元时的圈次 */ REV_AT_EPOCH: 45244,
+    /* 气阻系数(1/地球半径) */ BSTAR: 0.00028217,
+    /* 平均运动一阶导数(圈/天²) */ MEAN_MOTION_DOT: 0.00016275,
+    /* 平均运动二阶导数(圈/天³) */ MEAN_MOTION_DDOT: 0,
+    /* 协方差矩阵参考坐标系 */ COV_REFERENCE_FRAME: 23,
+    /* --- 位置/速度协方差矩阵(6x6下三角) --- */
+    /* 位置协方差矩阵元素(km²) */ CX_X: 0,
+    /* 位置协方差矩阵元素(km²) */ CY_X: 0,
+    /* 位置协方差矩阵元素(km²) */ CY_Y: 0,
+    /* 位置协方差矩阵元素(km²) */ CZ_X: 0,
+    /* 位置协方差矩阵元素(km²) */ CZ_Y: 0,
+    /* 位置协方差矩阵元素(km²) */ CZ_Z: 0,
+    /* 速度-位置协方差矩阵元素(km²/s) */ CX_DOT_X: 0,
+    /* 速度-位置协方差矩阵元素(km²/s) */ CX_DOT_Y: 0,
+    /* 速度-位置协方差矩阵元素(km²/s) */ CX_DOT_Z: 0,
+    /* 速度协方差矩阵元素(km²/s²) */ CX_DOT_X_DOT: 0,
+    /* 速度-位置协方差矩阵元素(km²/s) */ CY_DOT_X: 0,
+    /* 速度-位置协方差矩阵元素(km²/s) */ CY_DOT_Y: 0,
+    /* 速度-位置协方差矩阵元素(km²/s) */ CY_DOT_Z: 0,
+    /* 速度协方差矩阵元素(km²/s²) */ CY_DOT_X_DOT: 0,
+    /* 速度协方差矩阵元素(km²/s²) */ CY_DOT_Y_DOT: 0,
+    /* 速度-位置协方差矩阵元素(km²/s) */ CZ_DOT_X: 0,
+    /* 速度-位置协方差矩阵元素(km²/s) */ CZ_DOT_Y: 0,
+    /* 速度-位置协方差矩阵元素(km²/s) */ CZ_DOT_Z: 0,
+    /* 速度协方差矩阵元素(km²/s²) */ CZ_DOT_X_DOT: 0,
+    /* 速度协方差矩阵元素(km²/s²) */ CZ_DOT_Y_DOT: 0,
+    /* 速度协方差矩阵元素(km²/s²) */ CZ_DOT_Z_DOT: 0,
+    /* --- 用户自定义字段 --- */
+    /* 用户自定义BIP-0044类型 */ USER_DEFINED_BIP_0044_TYPE: 0,
+    /* 用户自定义对象标识符 */ USER_DEFINED_OBJECT_DESIGNATOR: null,
+    /* 用户自定义地球模型 */ USER_DEFINED_EARTH_MODEL: null,
+    /* 用户自定义历元时间戳 */ USER_DEFINED_EPOCH_TIMESTAMP: 0,
+    /* 用户自定义微秒数 */ USER_DEFINED_MICROSECONDS: 0,
+  });
+
+  ISS.point!.pixelSize = 10 as any;
+  ISS.point!.color = Color.WHITE as any;
+
+  MakeBillboardLabel({
+    entity: ISS,
+    text: 'ISS-text',
+    fontSize: 36,
+    verticalOrigin: VerticalOrigin.CENTER,
+  });
+
+  const issDataSource = new SpaceCatalogDataSource({ name: 'issSource' });
+  issDataSource.entities.add(ISS);
+  await viewer.dataSources.add(issDataSource);
+
+  // await new Promise((_r) => setTimeout(_r, 1000));
+  // viewer.camera.flyTo({
+  //   destination: ISS.position.getValue(viewer.clock.currentTime)!,
+  //   orientation: {
+  //     heading: 0.0,
+  //     pitch: -Math.PI / 2,
+  //     roll: 0.0,
+  //   },
+  //   duration: 2,
+  // });
+
+  viewer.extend(viewerReferenceFrameMixin);
+  viewer.referenceFrame = 1;
+
+  const shshowOrbitow = await PromiseConfirmationService({ message: '要显示轨道吗？' });
+  ISS.showOrbit({ show: shshowOrbitow });
+
+  const showCoverage = await PromiseConfirmationService({ message: '要显示覆盖区吗？' });
+  ISS.showCoverage({ show: showCoverage });
+
+  // /* let dynamicTimeline = */ new DynamicTimeline(viewer.timeline.container, viewer);
+
+  const track = await PromiseConfirmationService({ message: '要追踪卫星吗？' });
+  if (track) viewer.trackedEntity = ISS;
+}
diff --git a/src/pages/SAT/fns/index.ts b/src/pages/SAT/fns/index.ts
new file mode 100644
index 0000000..cabe1dd
--- /dev/null
+++ b/src/pages/SAT/fns/index.ts
@@ -0,0 +1 @@
+export * from './demo.ts';
diff --git a/src/pages/SAT/index.page.vue b/src/pages/SAT/index.page.vue
index db1656f..e58a374 100644
--- a/src/pages/SAT/index.page.vue
+++ b/src/pages/SAT/index.page.vue
@@ -1,5 +1,5 @@
 <script setup lang="ts">
-import Viewer from './Viewer.vue';
+import CesiumViewer from './CesiumViewer.vue';
 
 const $datatableShow = ref(false);
 </script>
@@ -8,7 +8,7 @@ const $datatableShow = ref(false);
   <div class="relative w-full h-full SAT">
     <div id="container" class="absolute w-full h-full select-none">
       <div class="viewer" :style="$datatableShow ? 'height:70%' : 'height: 100%'">
-        <Viewer />
+        <CesiumViewer />
       </div>
       <div
         :class="[$datatableShow ? 'visible' : 'hidden', 'datatable absolute w-full b-0 l-0']"
@@ -33,9 +33,9 @@ const $datatableShow = ref(false);
   flex: 1;
 }
 </style>
-
+<!--
 <style scoped>
 #container {
   background-color: pink;
 }
-</style>
+</style> -->
diff --git a/src/utils/index.ts b/src/utils/index.ts
new file mode 100644
index 0000000..7564a44
--- /dev/null
+++ b/src/utils/index.ts
@@ -0,0 +1,12 @@
+export async function PromiseConfirmationService({ message }: { message: string }) {
+  return await new Promise<boolean>((reslove) => {
+    ConfirmationService.require({
+      position: 'bottomright',
+      modal: false,
+      header: '提示',
+      message: message,
+      accept: () => reslove(true),
+      reject: () => reslove(false),
+    });
+  });
+}
diff --git a/vite.config.plugins.ts b/vite.config.plugins.ts
index 290fcc9..e8c2b10 100644
--- a/vite.config.plugins.ts
+++ b/vite.config.plugins.ts
@@ -87,6 +87,7 @@ export function Plugins() {
       dirs: [
         // 'src/composables',
         'src/stores',
+        'src/utils',
       ],
       vueTemplate: true,
     }),