diff --git a/CHANGELOG.md b/CHANGELOG.md
index 40111ebac7f6755d9af385886d72478a75a13628..c598c4d16f2f29b100d251498a16eff6368d6ba9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## v2.1.1-rc.0
+
+- Fixed the issue that the BottomTabsIndicator indicator quickly swiped left and right to crash
+
 ## v2.1.0
 
 - 发布2.1.0正式版本
diff --git a/entry/oh-package.json5 b/entry/oh-package.json5
index abe72f261cbb8ee71e1028f61059e5fb02a383e5..0a5f44c1b01898ec5953cf9c312502fd1756cc0d 100644
--- a/entry/oh-package.json5
+++ b/entry/oh-package.json5
@@ -10,7 +10,7 @@
   },
   "description": "example description",
   "main": "",
-  "version": "2.1.0",
+  "version": "2.1.1-rc.0",
   "dependencies": {
     "@ohos/circleindicator": "file:../library"
   }
diff --git a/library/oh-package.json5 b/library/oh-package.json5
index 91a3b71d025385362884cd6aa23ac6f8c6028c18..aa8d8e48b8b5b64af9103a763628692ae5a902a8 100644
--- a/library/oh-package.json5
+++ b/library/oh-package.json5
@@ -13,7 +13,7 @@
   "main": "index.ets",
   "repository": "https://gitee.com/openharmony-sig/CircleIndicator",
   "type": "module",
-  "version": "2.1.0",
+  "version": "2.1.1-rc.0",
   "tags": [
     "OpenHarmony",
     "indicator",
diff --git a/library/src/main/ets/components/BottomTabsIndicator.ets b/library/src/main/ets/components/BottomTabsIndicator.ets
index 4940604bc30175fffadbf953ed85c044a5984d55..8159e2ede63e67caf64de543ded3f468097d6ab1 100644
--- a/library/src/main/ets/components/BottomTabsIndicator.ets
+++ b/library/src/main/ets/components/BottomTabsIndicator.ets
@@ -17,23 +17,24 @@
  * limitations under the License.
  */
 
-import {ColorGradient} from '../utils/ColorGradient'
+import { ColorGradient } from '../utils/ColorGradient'
 import { BottomTabsModel } from '../models/BottomTabsModel'
-import  { TabIcon } from './model/TabIcon'
-import  { TabInfo } from './model/TabInfo'
+import { TabIcon } from './model/TabIcon'
+import { TabInfo } from './model/TabInfo'
 
 @ComponentV2
 struct BottomTabsIndicator {
   @Param model: BottomTabsModel = new BottomTabsModel(null)
   @Param @Require itemIndex: number
-  @Event $itemIndex: (val: number) => void = (val: number) => {};
+  @Event $itemIndex: (val: number) => void = (val: number) => {
+  };
   @Param titles: TabIcon[] = []
-  private colorsUtilsToS: ColorGradient| null = null
-  private colorsUtilsToN: ColorGradient| null = null
+  private colorsUtilsToS: ColorGradient | null = null
+  private colorsUtilsToN: ColorGradient | null = null
   private tabs: Array<TabInfo> = []
   private startX = 0
   private indicatorOffset = 0
-  isMove: number= 0 // 0 停止  1左  2右
+  isMove: number = 0 // 0 停止  1左  2右
 
   aboutToAppear() {
     this.model.setOnPageTouchListener((event: TouchEvent, currentIndex: number) => {
@@ -67,7 +68,9 @@ struct BottomTabsIndicator {
 
   private dealWithFont(offset: number): number {
 
-    if (!offset) offset = 0
+    if (!offset) {
+      offset = 0
+    }
 
     let centerIndex = -1
     if (this.model.getCenterImage() != null) {
@@ -98,7 +101,9 @@ struct BottomTabsIndicator {
      * 向左滑动
      */
     else if (this.isMove == 1) {
-      if (offset <= 0) return 0
+      if (offset <= 0) {
+        return 0
+      }
       if (centerIndex !== -1) {
         offset = offset + 1
       }
@@ -122,10 +127,12 @@ struct BottomTabsIndicator {
 
       // 处理 文字颜色 渐变
       let fontColorDistance = Number.parseInt((distance * 100).toFixed(0)) // 偏移量 0 - 99
-      if (this.colorsUtilsToS)
+      if (this.colorsUtilsToS) {
         this.tabs[nextPage].fontColor = this.colorsUtilsToS.getColorByFraction(fontColorDistance)
-      if (this.colorsUtilsToN)
+      }
+      if (this.colorsUtilsToN) {
         this.tabs[previousPage].fontColor = this.colorsUtilsToN.getColorByFraction(fontColorDistance)
+      }
 
 
       // 处理 icon大小 渐变
@@ -139,9 +146,17 @@ struct BottomTabsIndicator {
      * 向右滑动
      */
     else if (this.isMove == 2) {
-      if (offset >= this.tabs.length - 1) return 0
+      if (offset >= this.tabs.length - 1) {
+        return 0
+      }
       let nextPage = Math.ceil(offset) // 下一页
-      let previousPage = nextPage - 1 // 上一页
+      let previousPage: number // 上一页
+      // 左边边界值判断
+      if (nextPage == 0) {
+        previousPage = 0
+      } else {
+        previousPage = nextPage - 1
+      }
       if (centerIndex !== -1 && nextPage >= centerIndex) {
         offset = offset + 1
         nextPage = nextPage + 1
@@ -160,10 +175,12 @@ struct BottomTabsIndicator {
 
       // 处理 文字颜色 渐变
       let fontColorDistance: number = Number.parseInt((distance * 100).toFixed(0)) // 偏移量 0 - 99
-      if (this.colorsUtilsToS)
+      if (this.colorsUtilsToS) {
         this.tabs[nextPage].fontColor = this.colorsUtilsToS.getColorByFraction(fontColorDistance)
-      if (this.colorsUtilsToN)
-      this.tabs[previousPage].fontColor = this.colorsUtilsToN.getColorByFraction(fontColorDistance)
+      }
+      if (this.colorsUtilsToN) {
+        this.tabs[previousPage].fontColor = this.colorsUtilsToN.getColorByFraction(fontColorDistance)
+      }
 
       // 处理 icon大小 渐变
       if (this.model) {
@@ -177,7 +194,10 @@ struct BottomTabsIndicator {
 
   build() {
     Stack({ alignContent: Alignment.Start }) {
-      Text(this.dealWithFont(this.itemIndex - this.indicatorOffset / 1080)+' ').fontSize(12).fontColor('#ffffff').visibility(Visibility.Hidden)
+      Text(this.dealWithFont(this.itemIndex - this.indicatorOffset / 1080) + ' ')
+        .fontSize(12)
+        .fontColor('#ffffff')
+        .visibility(Visibility.Hidden)
       Row() {
         ForEach(this.tabs, (item: TabInfo) => {
           Flex({ direction: FlexDirection.Column, justifyContent: FlexAlign.Center, alignItems: ItemAlign.Center }) {
@@ -198,13 +218,16 @@ struct BottomTabsIndicator {
                   .height(this.model.isIconsScale() ? item.iconSize : this.model.getSelectedIconSize())
 
                 Text(item.tab?.text)
-                  .fontSize(this.model.isIconsScale() ? this.model.getUnselectedTextSize() : this.model.getSelectedTextSize())
-                  .fontColor(this.itemIndex === item.index ? this.model.getSelectedTextColor() : this.model.getUnselectedTextColor())
+                  .fontSize(this.model.isIconsScale() ? this.model.getUnselectedTextSize() :
+                  this.model.getSelectedTextSize())
+                  .fontColor(this.itemIndex === item.index ? this.model.getSelectedTextColor() :
+                  this.model.getUnselectedTextColor())
               }
               .padding(5)
             }
           }
-          .width(this.model.getWidth() / (this.model.getCenterImage() !== null ? this.titles.length + 1 : this.titles.length))
+          .width(this.model.getWidth() /
+            (this.model.getCenterImage() !== null ? this.titles.length + 1 : this.titles.length))
           .height('100%')
           .onClick(() => {
             if (item.index == undefined) {
@@ -249,8 +272,7 @@ struct BottomTabsIndicator {
     if (event.type === TouchType.Up) {
       if (this.indicatorOffset >= this.model.getWidth() / 2 && currentIndex > 0) {
         currentIndex--
-      }
-      else if (this.indicatorOffset <= -this.model.getWidth() / 2 && currentIndex < this.titles.length - 1) {
+      } else if (this.indicatorOffset <= -this.model.getWidth() / 2 && currentIndex < this.titles.length - 1) {
         currentIndex++
       }
       this.model.getTabsController()?.changeIndex(currentIndex)
diff --git a/oh-package.json5 b/oh-package.json5
index fafe438b273ee882bd43f1dd5732129ea77bc2f1..3625f5eb29d7a5683bfed643d104bdd138355a4c 100644
--- a/oh-package.json5
+++ b/oh-package.json5
@@ -1,4 +1,5 @@
 {
+  "modelVersion": "5.0.0",
   "license": "Apache-2.0",
   "devDependencies": {
     "@ohos/hypium": "1.0.6"
@@ -12,7 +13,6 @@
   },
   "description": "example description",
   "main": "",
-  "version": "2.1.0",
+  "version": "2.1.1-rc.0",
   "dependencies": {},
-  "modelVersion": ""
-}
+}
\ No newline at end of file