update：晨昏线案例代码结构的修改

src/examples/sceneSet/terminatorLine/terminatorLine.vue

 <template>
     <div id="cesiumContainer" class="cesium-container"></div>
 </template>
+
 <script setup>
 import { onMounted } from 'vue';
 import { addTerminatorLine } from './function';
+
 let viewer;
 
 onMounted(() => {
@@ -17,9 +19,9 @@ onMounted(() => {
         });
 
         addTerminatorLine(viewer)
+
     };
     document.head.appendChild(script);
-
     const link = document.createElement('link');
     link.rel = 'stylesheet';
     link.href = 'https://cesium.com/downloads/cesiumjs/releases/1.119/Build/Cesium/Widgets/widgets.css';
@@ -30,7 +32,7 @@ onMounted(() => {
 
 <style>
 .cesium-container {
-width: 100%;
-height: 100vh;
+    width: 100%;
+    height: 100vh;
 }
 </style>
\ No newline at end of file