diff --git a/entry/src/main/ets/pages/compontents/FaceCompare.ets b/entry/src/main/ets/pages/compontents/FaceCompare.ets
index 807f5a5e..1d439504 100644
--- a/entry/src/main/ets/pages/compontents/FaceCompare.ets
+++ b/entry/src/main/ets/pages/compontents/FaceCompare.ets
@@ -190,12 +190,12 @@ export default struct FaceCompare {
     console.log('mmmmm0', 2)
     this.param.pztd = this.param.rlls
     const data = await takePhoto(this.param, this.context, 'jt/', 1,)
-    this.base64 = this.imageBase64 + (data.base64 || "")
+    this.base64 = this.imageBase64 + (data?.base64 || "")
     console.log('mmmmt', this.base64)
     faceCompare({
       sfzh: this.sfzh,
       firstImage: this.firstImage.substr(22),
-      secondImage: data.base64 || "",
+      secondImage: data?.base64 || "",
       type: "2",
       verifyType: "1"
     })
diff --git a/entry/src/main/ets/pages/judgeSDK/utils/judgeTask.ets b/entry/src/main/ets/pages/judgeSDK/utils/judgeTask.ets
index c8ad2925..ebfdccb0 100644
--- a/entry/src/main/ets/pages/judgeSDK/utils/judgeTask.ets
+++ b/entry/src/main/ets/pages/judgeSDK/utils/judgeTask.ets
@@ -1,8 +1,6 @@
-import Prompt from '@system.prompt'
-
 const TAG = 'SURENJUN_JUDGE'
 
-interface DelayConfig{
+interface DelayConfig {
   isDelay: boolean
   delayTime?: number
 }
@@ -12,47 +10,46 @@ interface QUEUE {
   delayConfig?: DelayConfig
 }
 
-type GoTask = (currentTask:QUEUE)=>Promise<boolean>
+type GoTask = (currentTask: QUEUE) => Promise<boolean>
 
 export default class JudgeTask {
-  private queue?:QUEUE[] = []
-  private status: string
-
-  constructor() {
-    this.queue = []
-    this.status = 'end'
-  }
-
   //执行任务
-  goTask:GoTask = async (currentTask:QUEUE) => {
+  goTask: GoTask = async (currentTask: QUEUE) => {
     const fn = currentTask.fn;
-    const delayConfig = currentTask.delayConfig || {isDelay:false,delayTime:1000}
+    const delayConfig = currentTask.delayConfig || {
+      isDelay: false, delayTime: 1000
+    }
     const isDelay = delayConfig.isDelay
     const delayTime = delayConfig.delayTime
 
     return false
   }
-
+  private queue?: QUEUE[] = []
+  private status: string
   executeQueue = async () => {
     const queue = this.queue;
     const executeQueue = this.executeQueue
-    if (queue.length) {
+    if (queue?.length) {
       for (const currentTask of queue) {
         await this.goTask(currentTask)
-        this.queue.shift()
+        this.queue?.shift()
         await executeQueue()
       }
     } else {
       this.status = 'end'
     }
   }
-
-  addTask = async (fn:Function, delayConfig?: DelayConfig) => {
-    this.queue.push({
+  addTask = async (fn: Function, delayConfig?: DelayConfig) => {
+    this.queue?.push({
       fn, delayConfig
     });
-    if (this.status == 'end' && this.queue.length === 1) {
+    if (this.status == 'end' && this.queue?.length === 1) {
       await this.executeQueue();
     }
   }
+
+  constructor() {
+    this.queue = []
+    this.status = 'end'
+  }
 }
diff --git a/entry/src/main/ets/utils/FileHelp.ets b/entry/src/main/ets/utils/FileHelp.ets
index 7189cc9c..9e0d2c15 100644
--- a/entry/src/main/ets/utils/FileHelp.ets
+++ b/entry/src/main/ets/utils/FileHelp.ets
@@ -54,9 +54,9 @@ export class FileHelper {
     }
   }
 
-  async getUserAlbumItemByDisplayName(displayName: string): Promise<photoAccessHelper.Album> {
-    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = null
-    let album: photoAccessHelper.Album = null
+  async getUserAlbumItemByDisplayName(displayName: string): Promise<photoAccessHelper.Album | null> {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> | null = null;
+    let album: photoAccessHelper.Album | null = null
     try {
       console.log(FileHelpTag, 'getUserAlbumItemByDisplayName');
       let predicates = new dataSharePredicates.DataSharePredicates();
@@ -98,7 +98,7 @@ export class FileHelper {
         let asset = await assetsResult.getFirstObject();
         console.log(FileHelpTag, ' addAssetToAlbum one asset uri : ' + asset.uri + ', photoType : ' + asset.photoType +
           ', displayName : ' + asset.displayName);
-        await album.addAssets([asset]);
+        await album?.addAssets([asset]);
         console.log(FileHelpTag, ' addAssetToAlbum success ');
       }
     } catch (err) {
@@ -109,7 +109,7 @@ export class FileHelper {
 
   public async deleteFileOfAlbum(album_Name: string, file_type: number | string | boolean): Promise<void> {
     console.log(FileHelpTag, ' deletePictureOfAlbum album_Name：' + album_Name);
-    let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = null;
+    let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> | null = null;
     try {
       let album = await this.getUserAlbumItemByName(album_Name);
       let predicates = new dataSharePredicates.DataSharePredicates();
@@ -118,20 +118,23 @@ export class FileHelper {
         fetchColumns: this.FILE_ASSET_FETCH_COLUMNS,
         predicates: predicates
       };
-      photoFetchResult = await album.getAssets(fetchOptions)
-      let all_fileAsset = await photoFetchResult.getAllObjects();
+      photoFetchResult = (await album?.getAssets(fetchOptions)) || null
+      let all_fileAsset = (await photoFetchResult?.getAllObjects()) || null;
 
       let uri_array: string[] = []
       console.log(FileHelpTag, ' deletePictureOfAlbum iterator begin', album_Name);
-      for (let onfile of all_fileAsset) {
-        console.log(FileHelpTag, album_Name,
-          ' deletePictureOfAlbum uri : ' + onfile.uri + ', photoType : ' + onfile.photoType +
-            ', displayName : ' + onfile.displayName);
-        uri_array.push(onfile.uri);
+      if (all_fileAsset) {
+        for (let onfile of all_fileAsset) {
+          console.log(FileHelpTag, album_Name,
+            ' deletePictureOfAlbum uri : ' + onfile.uri + ', photoType : ' + onfile.photoType +
+              ', displayName : ' + onfile.displayName);
+          uri_array.push(onfile.uri);
+        }
       }
+
       await this.userFileMgr.deleteAssets(uri_array);
 
-      let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = null;
+      let albumFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> | null = null;
       try {
         albumFetchResult =
           await this.userFileMgr.getAlbums(photoAccessHelper.AlbumType.SYSTEM, photoAccessHelper.AlbumSubtype.TRASH);
@@ -162,7 +165,7 @@ export class FileHelper {
 
   public async deleteAllPictures(): Promise<void> {
     console.log(FileHelpTag, ' deleteAllPictures');
-    let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = null;
+    let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> | null = null
     try {
       let predicates = new dataSharePredicates.DataSharePredicates();
       let fetchOptions: photoAccessHelper.FetchOptions = {
@@ -216,9 +219,9 @@ export class FileHelper {
   // return album;
   // }
 
-  async getUserAlbumItemByName(albumName: string): Promise<photoAccessHelper.Album> {
-    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = null
-    let album: photoAccessHelper.Album = null
+  async getUserAlbumItemByName(albumName: string): Promise<photoAccessHelper.Album | null> {
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> | null = null
+    let album: photoAccessHelper.Album | null = null
     try {
       console.log(FileHelpTag, 'getUserAlbumItemByName');
       let predicates = new dataSharePredicates.DataSharePredicates();
@@ -246,7 +249,7 @@ export class FileHelper {
   }
 
 
-  public async createAlbum(albumName: string): Promise<string> {
+  public async createAlbum(albumName: string): Promise<string | undefined> {
     try {
       console.log(FileHelpTag, " createAlbum beging");
       let albumAsset = await this.userFileMgr.createAlbum(albumName);
@@ -257,7 +260,7 @@ export class FileHelper {
       return albumAsset.albumUri;
     } catch (err) {
       console.error(FileHelpTag, ' createAlbum failed with err: ' + err);
-    } finally {
+      return undefined; // Ensure a return value in case of an error
     }
   }
 
@@ -277,10 +280,11 @@ export class FileHelper {
     }
   }
 
-  public async queryAlbum(type: photoAccessHelper.AlbumType, subType: photoAccessHelper.AlbumSubtype): Promise<string> {
+  public async queryAlbum(type: photoAccessHelper.AlbumType,
+    subType: photoAccessHelper.AlbumSubtype): Promise<string | null> {
 
     let firstUri = "";
-    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = null;
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> | null = null
     try {
       fetchResult = await this.userFileMgr.getAlbums(type, subType);
       console.log(FileHelpTag, ' queryAlbum success count: ' + fetchResult.getCount());
@@ -327,13 +331,13 @@ export class FileHelper {
 
   public async deleteAllVideos(type: photoAccessHelper.AlbumType,
     subType: photoAccessHelper.AlbumSubtype): Promise<void> {
-    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = null;
+    let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> | null = null;
+    let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> | null = null;
     try {
       fetchResult = await this.userFileMgr.getAlbums(type, subType);
       console.log(FileHelpTag, ' get Album fetchResult, count: ' + fetchResult.getCount());
       for (let i = 0; i < fetchResult.getCount(); i++) {
         let albumAsset: photoAccessHelper.Album = await fetchResult.getObjectByPosition(i);
-        let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = null;
         let count = 0;
         console.log(FileHelpTag, ' get one Album name : ' + albumAsset.albumName);
         try {
diff --git a/entry/src/main/ets/utils/Video.ets b/entry/src/main/ets/utils/Video.ets
index 446ee300..50f7623c 100644
--- a/entry/src/main/ets/utils/Video.ets
+++ b/entry/src/main/ets/utils/Video.ets
@@ -78,7 +78,7 @@ export async function endRecordVideo(record_handleObj: RecordHandleType) {
 }
 
 
-export async function saveStartRecordVideo(path: string, context?: common.UIAbilityContext): Promise<RecordHandleType> {
+export async function saveStartRecordVideo(path: string, context: common.UIAbilityContext): Promise<RecordHandleType> {
   return new Promise(async (resolve, reject) => {
     const fileUtil = new FileUtils(context)
     const fileHelper = new FileHelper(context);
@@ -130,7 +130,7 @@ interface takePhotoParam {
  * @returns
  */
 
-export async function delPic(day: number, type: number, context?: common.UIAbilityContext) {
+export async function delPic(day: number, type: number, context: common.UIAbilityContext) {
   let phAccessHelper = photoAccessHelper.getPhotoAccessHelper(context);
   console.log('albumGetAssetsDemoCallback');
   let predicates: dataSharePredicates.DataSharePredicates = new dataSharePredicates.DataSharePredicates();
@@ -155,41 +155,61 @@ export async function delPic(day: number, type: number, context?: common.UIAbili
 }
 
 export async function takePhoto(param: VideoConfig, context: common.UIAbilityContext, dir: string, flag = 1,
-  callback?: (data: TakePhotoCallbackData) => void) {
+  callback?: (data: TakePhotoCallbackData) => void): Promise<takePhotoParam | void> {
   let video_uri = `rtsp://${param.userName}:${param.pwd}@${param.ip}:${param.port}/h264/ch${param.pztd}/main/av_stream`;
 
-  const num = Math.floor(Math.random() * 10000)
-  const fileName = `picture_record${num}.jpg`
+  const num = Math.floor(Math.random() * 10000);
+  const fileName = `picture_record${num}.jpg`;
 
   if (flag == 0) {
-    rtsp_server.detectVideoSnapshotSize(video_uri, fileName, (err: BusinessError, snapResult: record.RtspResult) => {
-      callback({ fileSize: snapResult.fileSize, errorCode: snapResult.errorCode })
+    return new Promise<void>((resolve, reject) => {
+      rtsp_server.detectVideoSnapshotSize(video_uri, fileName, (err: BusinessError, snapResult: record.RtspResult) => {
+        if (snapResult && snapResult.errorCode === 0) {
+          if (callback) {
+            callback({
+              fileSize: snapResult.fileSize,
+              errorCode: snapResult.errorCode,
+            });
+          }
+          resolve();
+        } else {
+          promptAction.showToast({
+            message: `拍照失败`,
+            duration: 3000,
+          });
+          reject(err);
+        }
+      });
     });
   } else {
     return new Promise<takePhotoParam>(async (resolve, reject) => {
-      const time = GetCurrentTime()
-      const date = time.split(' ')[0]
-      let dirName = dir ? dir : date
-      rtsp_server.getVideoSnapshot(context, video_uri, fileName, dirName, true,
+      const time = GetCurrentTime();
+      const date = time.split(' ')[0];
+      let dirName = dir ? dir : date;
+      rtsp_server.getVideoSnapshot(
+        context,
+        video_uri,
+        fileName,
+        dirName,
+        true,
         async (err: BusinessError, snapResult: record.RtspResult) => {
-          if (snapResult.result && snapResult.errorCode == 0) {
+          if (snapResult.result && snapResult.errorCode === 0) {
             resolve({
               base64: snapResult.dataString,
               name: snapResult.fileName,
               fileSize: snapResult.fileSize,
-              errorCode: snapResult.errorCode
-            })
+              errorCode: snapResult.errorCode,
+            });
           } else {
             promptAction.showToast({
               message: `拍照失败`,
-              duration: 3000
+              duration: 3000,
             });
-            reject(false)
-            // reject()
+            reject(false);
           }
-
-        });
-    })
+        }
+      );
+    });
   }
 }
 
@@ -202,14 +222,14 @@ export async function deleteAllFileByPiC(dirName: string, type = 1, context: com
 
 export async function deleteAllVideos(context: common.UIAbilityContext, type: photoAccessHelper.AlbumType,
   subType: photoAccessHelper.AlbumSubtype): Promise<void> {
-  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> = null;
+  let fetchResult: photoAccessHelper.FetchResult<photoAccessHelper.Album> | null = null;
   let count = 0;
   try {
     const userFileMgr = photoAccessHelper.getPhotoAccessHelper(context);
     fetchResult = await userFileMgr.getAlbums(type, subType);
     for (let i = 0; i < fetchResult.getCount(); i++) {
       let albumAsset: photoAccessHelper.Album = await fetchResult.getObjectByPosition(i);
-      let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> = null;
+      let photoFetchResult: photoAccessHelper.FetchResult<photoAccessHelper.PhotoAsset> | null = null;
       try {
         let predicates = new dataSharePredicates.DataSharePredicates();
         let fetchOptions: photoAccessHelper.FetchOptions = {