diff --git a/pages/SyntaxCase/utsAndroid.uvue b/pages/SyntaxCase/utsAndroid.uvue
index e41d4cc9d439c96d863560a586879c9c5f0b2b46..8cdeac60ef3d8d441e0660327ad5cc697c70d42d 100644
--- a/pages/SyntaxCase/utsAndroid.uvue
+++ b/pages/SyntaxCase/utsAndroid.uvue
@@ -41,19 +41,6 @@
       </view>
       <button @tap="getDeviceInfoClick">获取设备基础信息</button>
       <button @tap="getFileProviderUriClick">使用外部应用访问私有文件</button>
-
-      <button @tap="activityCallback">注册activity 回调方法</button>
-      <view class="uni-padding-wrap uni-common-mt">
-        <view class="uni-hello-text">
-          点击注册activity 回调方法后，可以手动切换其他APP再返回，可在控制台和界面观察事件日志
-        </view>
-      </view>
-      <view class="uni-padding-wrap uni-common-mt">
-        <view class="text-box" scroll-y="true">
-          <text>{{ cbText }}</text>
-        </view>
-      </view>
-      <button @tap="unRegActivityCallback">取消注册activity 回调方法</button>
     </view>
   </scroll-view>
   <!-- #endif -->
@@ -102,16 +89,10 @@
     data() {
       return {
         text: '',
-        cbText: '',
         selectImage: '',
-        callback: [] as Any[]
       }
     },
     unmounted() {
-      // #ifdef APP-ANDROID
-      this.unRegActivityCallback()
-      // #endif
-
     },
     onLoad: function () {
       // #ifdef APP-ANDROID
@@ -321,67 +302,6 @@
         })
       },
        // #endif
-      // #ifdef APP-ANDROID
-      // #ifdef UNI-APP-X
-      activityCallback() {
-        var that = this
-        onCallbackChange(function (eventLog : string) {
-          // 展示捕捉到的声明周期日志
-          let nextLine = that.cbText + eventLog
-          that.cbText = nextLine
-          let nextLineFlag = that.cbText + '\n'
-          that.cbText = nextLineFlag
-        })
-        let index = getCurrentPages().length - 1
-        let page = getCurrentPages()[index]
-        console.log('page route=' + page.route)
-        this.callback.push(new UTSAcvitiyLifeCycleCallback())
-        this.callback.push(new UTSActivityWindowCallback())
-        this.callback.push(new UTSAcvitiyKeyEventCallback())
-        this.callback.push(new UTSActivityCallback(), page.route)
-        this.callback.push(new UTSActivityComponentCallback())
-        this.callback.forEach((value) => {
-          if (value instanceof UTSAcvitiyLifeCycleCallback) {
-            UTSAndroid.onActivityCallback(value,page.route)
-          }
-          if (value instanceof UTSActivityWindowCallback) {
-            UTSAndroid.onActivityCallback(value)
-          }
-          if (value instanceof UTSAcvitiyKeyEventCallback) {
-            UTSAndroid.onActivityCallback(value)
-          }
-          if (value instanceof UTSActivityCallback) {
-            UTSAndroid.onActivityCallback(value)
-          }
-          if (value instanceof UTSActivityComponentCallback) {
-            UTSAndroid.onActivityCallback(value)
-          }
-
-        })
-      },
-      unRegActivityCallback() {
-        this.callback.forEach((value) => {
-
-          if (value instanceof UTSAcvitiyLifeCycleCallback) {
-            UTSAndroid.offActivityCallback(value)
-          }
-          if (value instanceof UTSActivityWindowCallback) {
-            UTSAndroid.offActivityCallback(value)
-          }
-          if (value instanceof UTSAcvitiyKeyEventCallback) {
-            UTSAndroid.offActivityCallback(value)
-          }
-          if (value instanceof UTSActivityCallback) {
-            UTSAndroid.offActivityCallback(value)
-          }
-          if (value instanceof UTSActivityComponentCallback) {
-            UTSAndroid.offActivityCallback(value)
-          }
-        })
-      }
-      // #endif
-      // #endif
-
     },
   }
 </script>
diff --git a/pages/SystemAPI/SystemAPI.uvue b/pages/SystemAPI/SystemAPI.uvue
index c187377a948ce56f7ca54f9a8c7570bcedfe054e..a331d379fe12182fc7847800363b04c4ddf404d9 100644
--- a/pages/SystemAPI/SystemAPI.uvue
+++ b/pages/SystemAPI/SystemAPI.uvue
@@ -20,7 +20,20 @@
 <script lang="ts">
     import { gotoDemoActivity,sayHelloFromJar } from "@/uni_modules/uts-nativepage";
     import { getBatteryInfo, GetBatteryInfoOptions } from "@/uni_modules/uts-getbatteryinfo";
+    // #ifdef APP-ANDROID
+     import {
+       UTSAcvitiyLifeCycleCallback,
+       UTSAcvitiyKeyEventCallback,
+       UTSActivityWindowCallback,
+       UTSActivityCallback,
+       UTSActivityComponentCallback,
+       onCallbackChange
+     } from '@/uni_modules/uts-syntaxcase'
     
+    
+     import File from 'java.io.File';
+     import Intent from 'android.content.Intent';
+    // #endif
     type Page = {
         name : string,
         url ?: string
@@ -31,7 +44,12 @@
         open : boolean,
         pages : Page[],
     }
-    export default {
+    export default {
+        unmounted() {
+          // #ifdef APP-ANDROID
+          this.unRegActivityCallback()
+          // #endif
+        },
         data() {
             return {
                 title: '系统API示例',
@@ -42,7 +60,15 @@
                         pages: [{
                             name: "获取电池电量",
                             function: "testGetBatteryCapacity"
-                        }] as Page[]
+                        }
+                        // #ifdef APP-ANDROID
+                        ,
+                        {
+                            name: "注册activity 回调方法",
+                            function: "testActivityCallback"
+                        },
+                         // #endif
+                        ] as Page[]
                     },
                     {
                         name: "系统事件",
@@ -74,7 +100,9 @@
                 ] as ListItem[],
                 arrowUpIcon: '/static/icons/arrow-up.png',
                 arrowDownIcon: '/static/icons/arrow-down.png',
-                arrowRightIcon: '/static/icons/arrow-right.png',
+                arrowRightIcon: '/static/icons/arrow-right.png',
+                callback: [] as Any[],
+                cbText: '',
             }
         },
         methods: {
@@ -94,6 +122,9 @@
                         case 'testGetBatteryCapacity':
                             this.testGetBatteryCapacity()
                             break
+                        case 'testActivityCallback':
+                            this.testActivityCallback()
+                            break
                         case 'testGotoDemoActivity':
                             this.testGotoDemoActivity()
                         case 'testNativeJar':
@@ -107,7 +138,7 @@
                 })
             },
 
-            testGetBatteryCapacity() {
+            testGetBatteryCapacity() {
                 getBatteryInfo({
                     success(res) {
                         uni.showToast({
@@ -117,6 +148,78 @@
                     }
                 } as GetBatteryInfoOptions)
             },
+            
+            
+            // #ifdef APP-ANDROID
+            testActivityCallback(){
+              this.activityCallback()
+            },
+            activityCallback() {
+              uni.showToast({
+                  title: "注册成功，请尝试切换到其他app，在切换回来",
+                  icon: 'none'
+              });
+              var that = this
+              onCallbackChange(function (eventLog : string) {
+                // 展示捕捉到的声明周期日志
+                let nextLine = that.cbText + eventLog
+                that.cbText = nextLine
+                let nextLineFlag = that.cbText + '\n'
+                that.cbText = nextLineFlag
+                console.log(that.cbText)
+                uni.showToast({
+                    title: "activity 回调方法：" +eventLog,
+                    icon: 'none'
+                });
+              })
+              let index = getCurrentPages().length - 1
+              let page = getCurrentPages()[index]
+              this.callback.push(new UTSAcvitiyLifeCycleCallback())
+              this.callback.push(new UTSActivityWindowCallback())
+              this.callback.push(new UTSAcvitiyKeyEventCallback())
+              this.callback.push(new UTSActivityCallback(), page.route)
+              this.callback.push(new UTSActivityComponentCallback())
+              this.callback.forEach((value) => {
+                if (value instanceof UTSAcvitiyLifeCycleCallback) {
+                  UTSAndroid.onActivityCallback(value,'tabBar')
+                }
+                if (value instanceof UTSActivityWindowCallback) {
+                  UTSAndroid.onActivityCallback(value)
+                }
+                if (value instanceof UTSAcvitiyKeyEventCallback) {
+                  UTSAndroid.onActivityCallback(value)
+                }
+                if (value instanceof UTSActivityCallback) {
+                  UTSAndroid.onActivityCallback(value)
+                }
+                if (value instanceof UTSActivityComponentCallback) {
+                  UTSAndroid.onActivityCallback(value)
+                }
+            
+              })
+            },
+            unRegActivityCallback() {
+              this.callback.forEach((value) => {
+            
+                if (value instanceof UTSAcvitiyLifeCycleCallback) {
+                  UTSAndroid.offActivityCallback(value)
+                }
+                if (value instanceof UTSActivityWindowCallback) {
+                  UTSAndroid.offActivityCallback(value)
+                }
+                if (value instanceof UTSAcvitiyKeyEventCallback) {
+                  UTSAndroid.offActivityCallback(value)
+                }
+                if (value instanceof UTSActivityCallback) {
+                  UTSAndroid.offActivityCallback(value)
+                }
+                if (value instanceof UTSActivityComponentCallback) {
+                  UTSAndroid.offActivityCallback(value)
+                }
+              })
+            },
+            // #endif
+            
             testNativeJar() {
                 let ret = sayHelloFromJar();
                 uni.showToast({