diff --git a/src/views/manage-add/index.vue b/src/views/manage-add/index.vue
index 38e6ef3..28d4b4e 100644
--- a/src/views/manage-add/index.vue
+++ b/src/views/manage-add/index.vue
@@ -141,7 +141,6 @@
       :visibility-height="200"
       :bottom="50"
       :right="10"
-      title="返回顶部"
       style="z-index: 1000; border: 1px solid #2b62f1"
     >
     </el-backtop>
@@ -290,6 +289,7 @@ export default {
       },
       projectRemarks: [],
       loading: false,
+      scrollTimeout: null,
     };
   },
   created() {
@@ -474,28 +474,34 @@ export default {
       return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
     },
     handleScroll() {
-      // 获取滚动容器
       const container = document.querySelector(".containerbody");
       if (!container) return;
-
-      // 获取容器的滚动位置
-      const scrollPosition = container.scrollTop; // 添加偏移量，让菜单提前高亮
-
-      // 从下往上检查各部分，找到第一个顶部位置小于等于滚动位置的部分
-      for (let i = this.sections.length - 1; i >= 0; i--) {
-        const element = document.getElementById(this.sections[i].id);
-        if (element) {
-          // 计算元素相对于滚动容器的位置
-          const elementPosition = element.offsetTop - container.offsetTop;
-
-          if (elementPosition <= scrollPosition) {
-            if (this.activeSection !== this.sections[i].id) {
-              this.activeSection = this.sections[i].id;
+      if (this.scrollTimeout) {
+        clearTimeout(this.scrollTimeout);
+      }
+      this.scrollTimeout = setTimeout(() => {
+        const scrollPosition = container.scrollTop;
+        if (scrollPosition > this.lastScrollTop) {
+          this.scrollDirection = 'down';
+        } else {
+          this.scrollDirection = 'up';
+        }
+        this.lastScrollTop = scrollPosition;
+        const offset = this.scrollDirection === 'down' ? 500 : 200;
+        const adjustedScrollPosition = scrollPosition + offset;
+        for (let i = this.sections.length - 1; i >= 0; i--) {
+          const element = document.getElementById(this.sections[i].id);
+          if (element) {
+            const elementPosition = element.offsetTop - container.offsetTop;
+            if (elementPosition <= adjustedScrollPosition) {
+              if (this.activeSection !== this.sections[i].id) {
+                this.activeSection = this.sections[i].id;
+              }
+              break;
             }
-            break;
           }
         }
-      }
+      }, 50);
     },
     handleMenuClick() {
       if (this.$refs.menuRef) {
diff --git a/src/views/manage-info/index.vue b/src/views/manage-info/index.vue
index a65ca8d..67a4dd1 100644
--- a/src/views/manage-info/index.vue
+++ b/src/views/manage-info/index.vue
@@ -146,7 +146,6 @@
       :visibility-height="200"
       :bottom="50"
       :right="10"
-      title="返回顶部"
       style="z-index: 1000"
     >
     </el-backtop>