fix(StudyCoursePage): 调整页面滚动和高度计算的延迟逻辑

为了解决页面滚动和高度计算时可能出现的布局未完全渲染的问题，增加了 setTimeout 延迟逻辑，并调整了滚动偏移量，确保滚动定位准确

@@ -139,6 +139,7 @@ const tabRefs = ref([]);
 
 
 // 计算topWrapperHeight的函数
 // 计算topWrapperHeight的函数
 const updateTopWrapperHeight = () => {
 const updateTopWrapperHeight = () => {
+    setTimeout(() => {
         nextTick(() => {
         nextTick(() => {
             const topWrapper = document.querySelector('.top-wrapper');
             const topWrapper = document.querySelector('.top-wrapper');
             if (topWrapper) {
             if (topWrapper) {
@@ -153,6 +154,7 @@ const updateTopWrapperHeight = () => {
                 resizeObserver.value.observe(topWrapper);
                 resizeObserver.value.observe(topWrapper);
             }
             }
         });
         });
+    }, 500)
 };
 };
 
 
 const course = ref([]);
 const course = ref([]);
@@ -251,16 +253,19 @@ const getTransitionTiming = (current, previous) => {
 // 修改handleTabChange函数
 // 修改handleTabChange函数
 const handleTabChange = (name) => {
 const handleTabChange = (name) => {
     previousTab.value = activeTab.value;
     previousTab.value = activeTab.value;
+    let offset = 100; // 调整偏移量, 配合目录的高度
+    setTimeout(() => {
         nextTick(() => {
         nextTick(() => {
             const element = document.getElementById(name);
             const element = document.getElementById(name);
             if (element) {
             if (element) {
-            const topOffset = element.offsetTop - parseInt(topWrapperHeight.value);
+                const topOffset = element.offsetTop - offset - parseInt(topWrapperHeight.value);
                 window.scrollTo({
                 window.scrollTo({
                     top: topOffset,
                     top: topOffset,
                     behavior: 'smooth'
                     behavior: 'smooth'
                 });
                 });
             }
             }
         });
         });
+    }, 100);
 };
 };
 
 
 // 课程数据
 // 课程数据