update zh-cn/application-dev/reference/arkui-ts/ts-combined-gestures.md.

Signed-off-by: Nluoying_ace <luoying19@huawei.com>

zh-cn/application-dev/reference/arkui-ts/ts-combined-gestures.md

 # 组合手势
 
-手势识别组，多种手势组合为复合手势，支持连续识别、并行识别和互斥识别。
+手势识别组合，即多种手势组合为复合手势，支持连续识别、并行识别和互斥识别。
 
 >  **说明：**
+>
 > 从API Version 7开始支持。后续版本如有新增内容，则采用上角标单独标记该内容的起始版本。
 
 
@@ -38,39 +39,55 @@ GestureGroup(mode: GestureMode, ...gesture: GestureType[])
 @Entry
 @Component
 struct GestureGroupExample {
-  @State count: number = 0
-  @State offsetX: number = 0
-  @State offsetY: number = 0
-  @State borderStyles: BorderStyle = BorderStyle.Solid
+  @State count: number = 0;
+  @State offsetX: number = 0;
+  @State offsetY: number = 0;
+  @State positionX: number = 0;
+  @State positionY: number = 0;
+  @State borderStyles: BorderStyle = BorderStyle.Solid;
 
   build() {
-    Flex({ direction: FlexDirection.Column, alignItems: ItemAlign.Center, justifyContent: FlexAlign.SpaceBetween }) {
+    Column() {
       Text('sequence gesture\n' + 'LongPress onAction:' + this.count + '\nPanGesture offset:\nX: ' + this.offsetX + '\n' + 'Y: ' + this.offsetY)
-    }.translate({ x: this.offsetX, y: this.offsetY, z: 5 })
-    .height(100).width(200).padding(10).margin(80).border({ width: 1, style: this.borderStyles })
+    }
+    .translate({ x: this.offsetX, y: this.offsetY, z: 0 })
+    .height(150)
+    .width(200)
+    .padding(20)
+    .margin(20)
+    .border({ width: 3, style: this.borderStyles })
     .gesture(
-      GestureGroup(GestureMode.Sequence,
-        LongPressGesture({ repeat: true })
-          .onAction((event: GestureEvent) => {
-            if (event.repeat) {this.count++}
-            console.log('LongPress onAction')
-          })
-          .onActionEnd(() => {
-            console.log('LongPress end')
-          }),
-        PanGesture({})
-          .onActionStart(() => {
-            this.borderStyles = BorderStyle.Dashed
-            console.log('pan start')
-          })
-          .onActionUpdate((event: GestureEvent) => {
-            this.offsetX = event.offsetX
-            this.offsetY = event.offsetY
-            console.log('pan update')
-          })
-      )
+      //以下组合手势为顺序识别，当长按手势事件未正常触发时则不会触发拖动手势事件
+    GestureGroup(GestureMode.Sequence,
+    LongPressGesture({ repeat: true })
+      .onAction((event: GestureEvent) => {
+        if (event.repeat) {
+          this.count++;
+        }
+        console.info('LongPress onAction');
+      })
+      .onActionEnd(() => {
+        console.info('LongPress end');
+      }),
+    PanGesture()
+      .onActionStart(() => {
+        this.borderStyles = BorderStyle.Dashed;
+        console.info('pan start');
+      })
+      .onActionUpdate((event: GestureEvent) => {
+        this.offsetX = this.positionX + event.offsetX;
+        this.offsetY = this.positionY + event.offsetY;
+        console.info('pan update');
+      })
+      .onActionEnd(() => {
+        this.positionX = this.offsetX;
+        this.positionY = this.offsetY;
+        this.borderStyles = BorderStyle.Solid;
+        console.info('pan end');
+      })
+    )
       .onCancel(() => {
-        console.log('sequence gesture canceled')
+        console.info('sequence gesture canceled');
       })
     )
   }