diff --git a/src/index-bar/index.js b/src/index-bar/index.js
index 2ad3b8f71..a1136b45b 100644
--- a/src/index-bar/index.js
+++ b/src/index-bar/index.js
@@ -4,6 +4,7 @@ import { ParentMixin } from '../mixins/relation';
 import { BindEventMixin } from '../mixins/bind-event';
 import { GREEN } from '../utils/constant';
 import { preventDefault } from '../utils/dom/event';
+import { isHidden } from '../utils/dom/style';
 import {
   getScrollTop,
   getElementTop,
@@ -85,6 +86,10 @@ export default createComponent({
 
   methods: {
     onScroll() {
+      if (isHidden(this.$el)) {
+        return;
+      }
+
       const scrollTop = getScrollTop(this.scroller);
       const scrollerRect = this.getScrollerRect();
       const rects = this.children.map(item => ({
@@ -101,7 +106,7 @@ export default createComponent({
         let isReachEdge = false;
 
         if (active !== -1) {
-          activeItemTop = rects[active].top - scrollTop;
+          activeItemTop = rects[active].top - scrollTop - this.stickyOffsetTop;
           isReachEdge = activeItemTop <= 0;
         }
 
@@ -153,8 +158,9 @@ export default createComponent({
     getActiveAnchorIndex(scrollTop, rects) {
       for (let i = this.children.length - 1; i >= 0; i--) {
         const prevHeight = i > 0 ? rects[i - 1].height : 0;
+        const reachTop = this.sticky ? prevHeight + this.stickyOffsetTop : 0;
 
-        if (scrollTop + prevHeight + this.stickyOffsetTop >= rects[i].top) {
+        if (scrollTop + reachTop >= rects[i].top) {
           return i;
         }
       }
@@ -195,7 +201,7 @@ export default createComponent({
       if (match[0]) {
         match[0].scrollIntoView();
 
-        if (this.stickyOffsetTop) {
+        if (this.sticky && this.stickyOffsetTop) {
           setRootScrollTop(getRootScrollTop() - this.stickyOffsetTop);
         }
 
diff --git a/src/index-bar/test/__snapshots__/index.spec.js.snap b/src/index-bar/test/__snapshots__/index.spec.js.snap
index a7f71a681..f18d2c546 100644
--- a/src/index-bar/test/__snapshots__/index.spec.js.snap
+++ b/src/index-bar/test/__snapshots__/index.spec.js.snap
@@ -14,7 +14,7 @@ exports[`custom anchor text 1`] = `
 
 exports[`scroll and update active anchor 1`] = `
 <div class="van-index-bar">
-  <div class="van-index-bar__sidebar" style="z-index: 2;"><span data-index="A" class="van-index-bar__index">A</span><span data-index="B" class="van-index-bar__index van-index-bar__index--active" style="color: rgb(7, 193, 96);">B</span><span data-index="C" class="van-index-bar__index">C</span><span data-index="D" class="van-index-bar__index">D</span><span data-index="E" class="van-index-bar__index">E</span><span data-index="F" class="van-index-bar__index">F</span><span data-index="G" class="van-index-bar__index">G</span><span data-index="H" class="van-index-bar__index">H</span><span data-index="I" class="van-index-bar__index">I</span><span data-index="J" class="van-index-bar__index">J</span><span data-index="K" class="van-index-bar__index">K</span><span data-index="L" class="van-index-bar__index">L</span><span data-index="M" class="van-index-bar__index">M</span><span data-index="N" class="van-index-bar__index">N</span><span data-index="O" class="van-index-bar__index">O</span><span data-index="P" class="van-index-bar__index">P</span><span data-index="Q" class="van-index-bar__index">Q</span><span data-index="R" class="van-index-bar__index">R</span><span data-index="S" class="van-index-bar__index">S</span><span data-index="T" class="van-index-bar__index">T</span><span data-index="U" class="van-index-bar__index">U</span><span data-index="V" class="van-index-bar__index">V</span><span data-index="W" class="van-index-bar__index">W</span><span data-index="X" class="van-index-bar__index">X</span><span data-index="Y" class="van-index-bar__index">Y</span><span data-index="Z" class="van-index-bar__index">Z</span></div>
+  <div class="van-index-bar__sidebar" style="z-index: 2;"><span data-index="A" class="van-index-bar__index van-index-bar__index--active" style="color: rgb(7, 193, 96);">A</span><span data-index="B" class="van-index-bar__index">B</span><span data-index="C" class="van-index-bar__index">C</span><span data-index="D" class="van-index-bar__index">D</span><span data-index="E" class="van-index-bar__index">E</span><span data-index="F" class="van-index-bar__index">F</span><span data-index="G" class="van-index-bar__index">G</span><span data-index="H" class="van-index-bar__index">H</span><span data-index="I" class="van-index-bar__index">I</span><span data-index="J" class="van-index-bar__index">J</span><span data-index="K" class="van-index-bar__index">K</span><span data-index="L" class="van-index-bar__index">L</span><span data-index="M" class="van-index-bar__index">M</span><span data-index="N" class="van-index-bar__index">N</span><span data-index="O" class="van-index-bar__index">O</span><span data-index="P" class="van-index-bar__index">P</span><span data-index="Q" class="van-index-bar__index">Q</span><span data-index="R" class="van-index-bar__index">R</span><span data-index="S" class="van-index-bar__index">S</span><span data-index="T" class="van-index-bar__index">T</span><span data-index="U" class="van-index-bar__index">U</span><span data-index="V" class="van-index-bar__index">V</span><span data-index="W" class="van-index-bar__index">W</span><span data-index="X" class="van-index-bar__index">X</span><span data-index="Y" class="van-index-bar__index">Y</span><span data-index="Z" class="van-index-bar__index">Z</span></div>
   <div data-index="0">
     <div class="van-index-anchor">1</div>
   </div>
@@ -32,7 +32,7 @@ exports[`scroll and update active anchor 1`] = `
 
 exports[`scroll and update active anchor 2`] = `
 <div class="van-index-bar">
-  <div class="van-index-bar__sidebar" style="z-index: 2;"><span data-index="A" class="van-index-bar__index">A</span><span data-index="B" class="van-index-bar__index van-index-bar__index--active" style="color: rgb(7, 193, 96);">B</span><span data-index="C" class="van-index-bar__index">C</span><span data-index="D" class="van-index-bar__index">D</span><span data-index="E" class="van-index-bar__index">E</span><span data-index="F" class="van-index-bar__index">F</span><span data-index="G" class="van-index-bar__index">G</span><span data-index="H" class="van-index-bar__index">H</span><span data-index="I" class="van-index-bar__index">I</span><span data-index="J" class="van-index-bar__index">J</span><span data-index="K" class="van-index-bar__index">K</span><span data-index="L" class="van-index-bar__index">L</span><span data-index="M" class="van-index-bar__index">M</span><span data-index="N" class="van-index-bar__index">N</span><span data-index="O" class="van-index-bar__index">O</span><span data-index="P" class="van-index-bar__index">P</span><span data-index="Q" class="van-index-bar__index">Q</span><span data-index="R" class="van-index-bar__index">R</span><span data-index="S" class="van-index-bar__index">S</span><span data-index="T" class="van-index-bar__index">T</span><span data-index="U" class="van-index-bar__index">U</span><span data-index="V" class="van-index-bar__index">V</span><span data-index="W" class="van-index-bar__index">W</span><span data-index="X" class="van-index-bar__index">X</span><span data-index="Y" class="van-index-bar__index">Y</span><span data-index="Z" class="van-index-bar__index">Z</span></div>
+  <div class="van-index-bar__sidebar" style="z-index: 2;"><span data-index="A" class="van-index-bar__index" style="">A</span><span data-index="B" class="van-index-bar__index van-index-bar__index--active" style="color: rgb(7, 193, 96);">B</span><span data-index="C" class="van-index-bar__index">C</span><span data-index="D" class="van-index-bar__index">D</span><span data-index="E" class="van-index-bar__index">E</span><span data-index="F" class="van-index-bar__index">F</span><span data-index="G" class="van-index-bar__index">G</span><span data-index="H" class="van-index-bar__index">H</span><span data-index="I" class="van-index-bar__index">I</span><span data-index="J" class="van-index-bar__index">J</span><span data-index="K" class="van-index-bar__index">K</span><span data-index="L" class="van-index-bar__index">L</span><span data-index="M" class="van-index-bar__index">M</span><span data-index="N" class="van-index-bar__index">N</span><span data-index="O" class="van-index-bar__index">O</span><span data-index="P" class="van-index-bar__index">P</span><span data-index="Q" class="van-index-bar__index">Q</span><span data-index="R" class="van-index-bar__index">R</span><span data-index="S" class="van-index-bar__index">S</span><span data-index="T" class="van-index-bar__index">T</span><span data-index="U" class="van-index-bar__index">U</span><span data-index="V" class="van-index-bar__index">V</span><span data-index="W" class="van-index-bar__index">W</span><span data-index="X" class="van-index-bar__index">X</span><span data-index="Y" class="van-index-bar__index">Y</span><span data-index="Z" class="van-index-bar__index">Z</span></div>
   <div data-index="0" style="height: 10px;">
     <div class="van-index-anchor van-index-anchor--sticky van-hairline--bottom" style="position: relative; z-index: 1; transform: translate3d(0, 0px, 0); color: rgb(7, 193, 96);">1</div>
   </div>