diff --git a/entry/src/main/ets/pages/Index.ets b/entry/src/main/ets/pages/Index.ets
index ecaecf9..5379708 100644
--- a/entry/src/main/ets/pages/Index.ets
+++ b/entry/src/main/ets/pages/Index.ets
@@ -2,9 +2,10 @@
 import { CustomPanel } from '../components/CustomPanel';
 import curves from '@ohos.curves';
 import { InnerView } from '../views/InnerView'
+import { SideBar } from '../views/SideBar';
 
-// 方案1：panel
-// 方案2：模态转场
+// 1：custom panel
+// 2：模态转场
 @Preview
 @Entry
 @Component
@@ -15,12 +16,16 @@ struct Index {
   @State showPanel: boolean = false;
   // 模态转场控制变量
   @State isPresent: boolean = false;
-  @State contentWidth: number | string = this.defaultWidth;
-  @State marginLeft: number = 0;
+  @State sheetIsPresent: boolean = false;
+
+  // @State contentWidth: number | string = this.defaultWidth;
+  // @State marginLeft: number = 0;
 
   @Builder
   innerView() {
-    InnerView();
+    InnerView()
+      .height('100%')
+      .width('100%')
   }
 
   handleClose() {
@@ -28,75 +33,99 @@ struct Index {
   }
 
   // sidebar控制变量
-  controlValue = {
-    beginX: 0,
-    endX: 0,
-    maxMoveRate: 0.12,
-    swipeDirection: 0, // 0 is left, 1 is right
-    leftMoveDistance: 0,
-  }
+  // controlValue = {
+  //   beginX: 0,
+  //   endX: 0,
+  //   maxMoveRate: 0.12,
+  //   swipeDirection: 0, // 0 is left, 1 is right
+  //   leftMoveDistance: 0,
+  // }
+  // @Builder
+  // sideBar_origin() {
+  //   Column() {
+  //     InnerView()
+  //   }
+  //   .margin({ left: -this.marginLeft })
+  //   .width(this.contentWidth)
+  //   .height('100%')
+  //   .transition( // 通过转场动画实现出现消失转场动画效果，transition需要加在builder下的第一个组件
+  //     TransitionEffect.translate({ x: '-' + this.contentWidth, y: 0, z: 0 })
+  //       .animation({ curve: curves.springMotion(0.6, 0.8) })
+  //   )
+  //   .onTouch(event => {
+  //     // 按下赋初始值
+  //     if (event.type === TouchType.Down) {
+  //       this.controlValue.beginX = event.touches[0].displayX;
+  //       this.controlValue.leftMoveDistance = 0;
+  //     }
+  //     // 移动改变移动宽度
+  //     if (event.type === TouchType.Move) {
+  //       this.controlValue.endX = event.touches[0].displayX; // 手指停止的位置
+  //       const moveDistance = this.controlValue.beginX - this.controlValue.endX; // 滑动的水平距离
+  //
+  //       // 判断水平滑动方向
+  //       if (this.controlValue.leftMoveDistance > 0) {
+  //         this.controlValue.swipeDirection = 0;
+  //       } else {
+  //         this.controlValue.swipeDirection = 1;
+  //       }
+  //
+  //       // 更新
+  //       this.marginLeft = (this.marginLeft + moveDistance) > 0 ? (this.marginLeft + moveDistance) : 0;
+  //
+  //       this.controlValue.beginX = this.controlValue.endX;
+  //
+  //       this.controlValue.leftMoveDistance += moveDistance
+  //     }
+  //
+  //     if (event.type === TouchType.Up) {
+  //       console.log(this.TAG, 'TouchType up' + this.controlValue.leftMoveDistance);
+  //       if (this.controlValue.leftMoveDistance > this.controlValue.maxMoveRate * +this.defaultWidth) {
+  //         this.isPresent = false;
+  //       }
+  //       this.marginLeft = 0;
+  //     }
+  //   })
+  //   .gesture(
+  //     SwipeGesture({ direction: SwipeDirection.Horizontal })
+  //       .onAction((event?: GestureEvent) => {
+  //         if (event && this.controlValue.swipeDirection == 0) {
+  //           this.isPresent = false;
+  //           this.marginLeft = 0;
+  //         }
+  //       })
+  //   ) // 快速滑动关闭
+  // }
 
   @Builder
-  SideBar() {
-    InnerView()
-      .margin({ left: -this.marginLeft })
-      .width(this.contentWidth)
-      .height('100%')
+  sideBarComponent() {
+    SideBar({
+      contentView: () => this.innerView(),
+      contentWidth: this.defaultWidth,
+      onClose: () => this.isPresent = false,
+    })
       .transition(// 通过转场动画实现出现消失转场动画效果，transition需要加在builder下的第一个组件
-        TransitionEffect.translate({ x: '-' + this.contentWidth, y: 0, z: 0 })
+        TransitionEffect.translate({ x: '-' + this.defaultWidth, y: 0, z: 0 })
           .animation({ curve: curves.springMotion(0.6, 0.8) })
       )
-      .onTouch(event => {
-        // 按下赋初始值
-        if (event.type === TouchType.Down) {
-          this.controlValue.beginX = event.touches[0].displayX;
-          this.controlValue.leftMoveDistance = 0;
-        }
-        // 移动改变移动宽度
-        if (event.type === TouchType.Move) {
-          this.controlValue.endX = event.touches[0].displayX; // 手指停止的位置
-          const moveDistance = this.controlValue.beginX - this.controlValue.endX; // 滑动的水平距离
-
-          // 判断水平滑动方向
-          if (this.controlValue.leftMoveDistance > 0) {
-            this.controlValue.swipeDirection = 0;
-          } else {
-            this.controlValue.swipeDirection = 1;
-          }
-
-          // 更新
-          this.marginLeft = (this.marginLeft + moveDistance) > 0 ? (this.marginLeft + moveDistance) : 0;
-
-          this.controlValue.beginX = this.controlValue.endX;
-
-          this.controlValue.leftMoveDistance += moveDistance
-        }
-
-        if (event.type === TouchType.Up) {
-          console.log(this.TAG, 'TouchType up' + this.controlValue.leftMoveDistance);
-          if (this.controlValue.leftMoveDistance > this.controlValue.maxMoveRate * +this.defaultWidth) {
-            this.isPresent = false;
-          }
-          this.marginLeft = 0;
-        }
-      })
-      .gesture(
-        SwipeGesture({ direction: SwipeDirection.Horizontal })
-          .onAction((event?: GestureEvent) => {
-            if (event && this.controlValue.swipeDirection == 0) {
-              this.isPresent = false;
-              this.marginLeft = 0;
-            }
-          })
-      ) // 快速滑动关闭
   }
 
   build() {
+
     Row() {
-      Button('open panel')
-        .onClick(() => this.showPanel = true);
-      Button('模态转场')// 通过选定的模态接口，绑定模态展示界面，ModalTransition是内置的ContentCover转场动画类型，这里选择None代表系统不加默认动画
-        .bindContentCover(this.isPresent, this.SideBar, ModalTransition.NONE)
+      // mask
+      // if (this.isPresent) {
+      //   Row()
+      //     .width('100%')
+      //     .height('100%')
+      //     .position({ x: 0, y: 0 })
+      //     .backgroundColor('#80111317')
+      // }
+
+      Button('open panel').onClick(() => this.showPanel = true);
+
+      Button('全屏模态转场')// 通过选定的模态接口，绑定模态展示界面，ModalTransition是内置的ContentCover转场动画类型，这里选择None代表系统不加默认动画
+        .bindContentCover(this.isPresent, this.sideBarComponent, ModalTransition.NONE)
         .onClick(() => {
           if (this.isPresent) {
             this.isPresent = false;
@@ -104,9 +133,19 @@ struct Index {
           } else {
             this.isPresent = true;
           }
-          this.contentWidth = this.defaultWidth;
         })
 
+      Button('半模态转场')
+        .onClick(() => {
+          if (this.sheetIsPresent) {
+            this.sheetIsPresent = false;
+            this.sheetIsPresent = true;
+          } else {
+            this.sheetIsPresent = true;
+          }
+        })
+        .bindSheet(this.sheetIsPresent, this.innerView(), { height: 300, dragBar: true })
+
       CustomPanel({
         contentView: () => this.innerView(),
         show: this.showPanel,
@@ -117,6 +156,5 @@ struct Index {
     .width('100%')
     .height('100%')
     .justifyContent(FlexAlign.SpaceEvenly)
-
   }
 }
diff --git a/entry/src/main/ets/views/SideBar.ets b/entry/src/main/ets/views/SideBar.ets
new file mode 100644
index 0000000..8ce08d7
--- /dev/null
+++ b/entry/src/main/ets/views/SideBar.ets
@@ -0,0 +1,73 @@
+@Component
+export struct SideBar {
+  private TAG: string = 'Sidebar';
+  private defaultWidth: number = 350
+  @BuilderParam contentView: () => void
+  // 模态转场控制变量
+  onClose?: () => void
+  @Prop contentWidth: number | string = this.defaultWidth;
+  @State marginLeft: number = 0;
+  // sidebar控制变量
+  controlValue = {
+    beginX: 0,
+    endX: 0,
+    maxMoveRate: 0.12,
+    swipeDirection: 0, // 0 is left, 1 is right
+    leftMoveDistance: 0,
+  }
+
+  aboutToDisappear() {
+    this.onClose()
+  }
+
+  build() {
+    Column() {
+      this.contentView()
+    }
+    .margin({ left: -this.marginLeft })
+    .width(this.contentWidth)
+    .height('100%')
+    .onTouch(event => {
+      // 按下赋初始值
+      if (event.type === TouchType.Down) {
+        this.controlValue.beginX = event.touches[0].displayX;
+        this.controlValue.leftMoveDistance = 0;
+      }
+      // 移动改变宽度
+      if (event.type === TouchType.Move) {
+        this.controlValue.endX = event.touches[0].displayX; // 手指停止的位置
+        const moveDistance = this.controlValue.beginX - this.controlValue.endX; // 滑动的水平距离
+
+        // 判断水平滑动方向
+        if (this.controlValue.leftMoveDistance > 0) {
+          this.controlValue.swipeDirection = 0;
+        } else {
+          this.controlValue.swipeDirection = 1;
+        }
+
+        // 更新
+        this.marginLeft = (this.marginLeft + moveDistance) > 0 ? (this.marginLeft + moveDistance) : 0;
+        this.controlValue.beginX = this.controlValue.endX;
+        this.controlValue.leftMoveDistance += moveDistance
+      }
+
+      // 手指抬起判断是否关闭
+      if (event.type === TouchType.Up) {
+        console.log(this.TAG, 'TouchType up' + this.controlValue.leftMoveDistance);
+        if (this.controlValue.leftMoveDistance > this.controlValue.maxMoveRate * +this.defaultWidth) {
+          this.onClose()
+        }
+        this.marginLeft = 0;
+      }
+    })
+    .gesture(
+      SwipeGesture({ direction: SwipeDirection.Horizontal })
+        .onAction((event?: GestureEvent) => {
+          if (event && this.controlValue.swipeDirection == 0) {
+            this.onClose()
+            this.marginLeft = 0;
+          }
+        })
+    ) // 快速滑动关闭
+  }
+}
\ No newline at end of file