diff --git a/README.en.md b/README.en.md
index 6ca1acc90e260caf7c1cf822b6660c9f8905c1db..231f3c884b20d4a408135ce723de5ef2cde77f06 100644
--- a/README.en.md
+++ b/README.en.md
@@ -24,7 +24,7 @@ triggered lifecycle on the homepage.
 │  ├──entrybackupability
 │  │  └──EntryBackupAbility.ets         // Backup and restoration
 │  ├──model                                  
-│  │  └──DataModel.ets                  // DataModel operation
+│  │  └──ModelData.ets                  // DataModel operation
 │  └──pages                 
 │     └──Index.ets                      // Home page
 └──entry/src/main/resources             // Application resource directory
diff --git a/README.md b/README.md
index 1cdaaeafb0a42856cea820eea8526c97cbfe78a3..45651707d552ff4f181e75ff066f1c6899b96505 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@
 │  ├──entrybackupability
 │  │  └──EntryBackupAbility.ets         // 备份恢复类
 │  ├──model                                  
-│  │  └──DataModel.ets                  // 数据操作类
+│  │  └──ModelData.ets                  // 数据操作类
 │  └──pages                 
 │     └──Index.ets                      // 首页
 └──entry/src/main/resources             // 应用资源目录
diff --git a/entry/src/main/ets/entryability/EntryAbility.ets b/entry/src/main/ets/entryability/EntryAbility.ets
index 60cb1d6da59ded6e12ec872a63dc97b48065583d..2c04ba1ebd3450759079f843872e3f8c32bad1cf 100644
--- a/entry/src/main/ets/entryability/EntryAbility.ets
+++ b/entry/src/main/ets/entryability/EntryAbility.ets
@@ -16,6 +16,7 @@
 import { AbilityConstant, ConfigurationConstant, UIAbility, Want } from '@kit.AbilityKit';
 import { hilog } from '@kit.PerformanceAnalysisKit';
 import { window } from '@kit.ArkUI';
+import { BusinessError } from '@kit.BasicServicesKit';
 import { ModelData } from '../model/ModelData';
 
 const DOMAIN = 0x0000;
@@ -25,7 +26,12 @@ let modelDataList: ModelData[] = [];
 export default class EntryAbility extends UIAbility {
   // [Start LifeCycle_Ability_Create]
   onCreate(want: Want, launchParam: AbilityConstant.LaunchParam): void {
-    this.context.getApplicationContext().setColorMode(ConfigurationConstant.ColorMode.COLOR_MODE_NOT_SET);
+    try {
+      this.context.getApplicationContext().setColorMode(ConfigurationConstant.ColorMode.COLOR_MODE_NOT_SET);
+    } catch (error) {
+      let err = error as BusinessError;
+      hilog.error(DOMAIN, 'testTag', `Failed to set colorMode. code = ${err.code}, message = ${err.message}`);
+    }
 
     // Get eventHub.
     let eventhub = this.context.eventHub;