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+# App Exception Handling
+
+### Overview
+
+This sample shows how to use **hiAppEvent** to obtain the last app exception information, which can be app crash or suspension.
+
+### Preview
+| Default page                                 | Build exception events                               | Capture abnormal events                               |
+|---------------------------------------|---------------------------------------|---------------------------------------|
+| ![](screenshots/device/Preview_1.en.png) | ![](screenshots/device/Preview_2.en.png) | ![](screenshots/device/Preview_3.en.png) |
+
+### How to Use
+
+1. Touch **Create app crash event**. After 3 seconds, the app exits. Start the app, and open the app exception page. About 1 minute later, the last abnormal exit information is displayed.
+2. Touch **Create app suspension event**. Manually exit the app. Then, start the app, and open the app exception page. About 1 minute later, the last abnormal exit information is displayed.
+
+### How to Implement
+
+1. Build application exceptions. For details about the source code, see [Index.ets](./entry/src/main/ets/pages/Index.ets).
+2. After the app exits, open the current page and wait for a subscription message notification. After a subscription message is received, use the **onReceive** method in **EventSubscription.ets** to receive the exception information and use **AppStorage.setOrCreate('appEventGroups', exception information data)** to bind the exception information bidirectionally. For details about the source code, see [EventSubscription.ets](./entry/src/main/ets/model/EventSubscription.ets).
+3. Use @StorageLink ('appEventGroups') to receive the event group information transferred by the subscription event function, call the **getFaultMessage** method to process the information, and add the processed information to the lazy loading data sources through **this.faultDataSource.pushData(message)**. Use **this.faultDataSource.persistenceStorage()** to perform persistent storage, and use **LazyForEach** to load data to the page. For details about the source code, see [Index.ets](./entry/src/main/ets/pages/Index.ets).
+4. The preceding code references the lazy loading data class and persistent storage class. For details about the source code, see [DataSource.ets](./entry/src/main/ets/model/DataSource.ets) and [PreferencesManager.ets](./entry/src/main/ets/model/PreferencesManager.ets).
+
+### Project Directory
+
+   ```
+    ├───entry/src/main/ets                             
+    │   ├───entryability
+    │   │   └──EntryAbility.ets                         // Entry ability lifecycle callbacks
+    │   ├───log
+    │   │   └──Logger.ets                               // Log utility
+    │   ├───model
+    │   │   ├───DataSource.ets                          // Model layer - lazy loading data sources
+    │   │   ├───EventSubscription.ets                   // Data model layer - app event subscription
+    │   │   ├───MockData.ets                            // Data model layer - simulation data
+    │   │   └──PreferencesManager.ets                   // Data model layer - persistent storage
+    │   └───pages
+    │       └──Index.ets                                // View layer - app exception page
+    └───entry/src/main/resources                        // Static resources
+   ```
+
+### Dependencies
+
+N/A
+
+### Constraints
+
+1. The sample app is supported only on Huawei phones running the standard system.
+
+2. The HarmonyOS version must be HarmonyOS NEXT Developer Beta1 or later.
+
+3. The DevEco Studio version must be DevEco Studio NEXT Developer Beta1 or later.
+
+4. The HarmonyOS SDK version must be HarmonyOS NEXT Developer Beta1 or later.
diff --git a/entry/src/main/resources/en_US/element/string.json b/entry/src/main/resources/en_US/element/string.json
index fdcec0d5d336b0afbf96a5d66591e2334b2cd068..b039ecb6c10c6bf7f482b4d052b2496f7f9a4a87 100644
--- a/entry/src/main/resources/en_US/element/string.json
+++ b/entry/src/main/resources/en_US/element/string.json
@@ -2,35 +2,35 @@
   "string": [
     {
       "name": "application_exception_crash_event",
-      "value": "Click to build application crash event"
+      "value": "Create app crash event"
     },
     {
       "name": "application_exception_freeze_event",
-      "value": "Click to build application stuck event"
+      "value": "Create app suspension event"
     },
     {
       "name": "application_exception_application_fault_title",
-      "value": "Application fault message"
+      "value": "Obtain app exception information"
     },
     {
       "name": "application_exception_application_fault_description",
-      "value": "Click to build an abnormal event. After 3 seconds, the system abnormal event will be triggered. You need to restart the application and enter this page to obtain the reason for the last abnormal exit"
+      "value": "Build an exception event, and the event is triggered 3s later. Start the app and open the current page. About 1 minute later, the last abnormal exit information is displayed."
     },
     {
       "name": "application_exception_crash_event_message",
-      "value": "After 3 seconds, the system crash event will be triggered, and the application needs to be restarted to enter this page to obtain the last login exception information"
+      "value": "The crash event is triggered 3s later. Start the app and open the current page to obtain the last abnormal exit information."
     },
     {
       "name": "application_exception_freeze_event_message",
-      "value": "After 3 seconds, if the system freezes, the application needs to be restarted and this page should be accessed to obtain the last login exception information"
+      "value": "The suspension event is triggered 3s later. Start the app and open the current page to obtain the last abnormal exit information."
     },
     {
       "name": "application_exception_no_message",
-      "value": "no_message"
+      "value": "None"
     },
     {
       "name": "application_exception_data_delay_toast",
-      "value": "数据大约在1-3min会进行更新"
+      "value": "The data is updated in about 1-3 minutes."
     }
   ]
 }
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