diff --git a/PreHttpRequestUseFiles/entry/src/main/ets/pages/MainPage.ets b/PreHttpRequestUseFiles/entry/src/main/ets/pages/MainPage.ets
index 842afe2d8331a27ba5a0cfbe815cc16e7e1c3c0f..35c518158218a6ca1340395f1eef248018c9c6c2 100644
--- a/PreHttpRequestUseFiles/entry/src/main/ets/pages/MainPage.ets
+++ b/PreHttpRequestUseFiles/entry/src/main/ets/pages/MainPage.ets
@@ -16,6 +16,7 @@
 import { fileIo as fs } from '@kit.CoreFileKit';
 import { image } from '@kit.ImageKit';
 import { common } from '@kit.AbilityKit';
+import { BusinessError } from '@kit.BasicServicesKit';
 import { httpRequest } from '../utils/NetRequest';
 import Logger from '../utils/Logger';
 
@@ -45,11 +46,13 @@ struct MainPage {
         'scaleMode': 1, // Abbreviated value
         'size': { height: 100, width: 100 }
       };
-      fs.close(file)
+      fs.close(file).catch((error: BusinessError) => {
+        Logger.error(TAG, `close file failed with error message: ${error.message},error code: ${error.code}`);
+      })
       imageSource.createPixelMap(options).then((pixelMap: PixelMap) => {
         this.imageData = pixelMap;
       });
-    } catch (e) {
+    } catch (error) {
       Logger.error(TAG, 'Resource loading error, file or does not exist!');
     }
   }
diff --git a/PreHttpRequestUseFiles/entry/src/main/ets/utils/NetRequest.ets b/PreHttpRequestUseFiles/entry/src/main/ets/utils/NetRequest.ets
index 61f265455cfe4dab751467c59f939dbe419b9d9a..297ee3572c19efabce24aa862311e0611412ca10 100644
--- a/PreHttpRequestUseFiles/entry/src/main/ets/utils/NetRequest.ets
+++ b/PreHttpRequestUseFiles/entry/src/main/ets/utils/NetRequest.ets
@@ -17,6 +17,7 @@ import { http } from '@kit.NetworkKit';
 import { BusinessError } from '@kit.BasicServicesKit';
 import { fileIo as fs } from '@kit.CoreFileKit';
 import { common } from '@kit.AbilityKit';
+import Logger from './Logger';
 
 // Obtain the path of the application file
 const uiContext: UIContext | undefined = AppStorage.get('uiContext');
@@ -45,13 +46,19 @@ export async function httpRequest() {
           }
         )
     }
+  }).catch((error: BusinessError) => {
+    Logger.error(`HttpRequestFunc read permission verification fails. code=${error.code}, message=${error.message}`);
   })
 }
 
 // Write to the sandbox
 async function readWriteFileWithStream(imageData: ArrayBuffer): Promise<void> {
-  let outputStream: fs.Stream = fs.createStreamSync(fileUrl, 'w+');
-  await outputStream.write(imageData);
-  outputStream.closeSync();
+  try {
+    let outputStream: fs.Stream = fs.createStreamSync(fileUrl, 'w+');
+    await outputStream.write(imageData);
+    outputStream.closeSync();
+  } catch (error) {
+    Logger.error(`readWriteFileWithStream failed. code=${error.code}, message=${error.message}`);
+  }
 }
 // [End segment3]
\ No newline at end of file