diff --git a/imageknife/index.ets b/imageknife/index.ets
index 5f0dd67..6668275 100644
--- a/imageknife/index.ets
+++ b/imageknife/index.ets
@@ -19,7 +19,6 @@
  */
 
 export * from './src/main/ets/components/cache/FileUtils'
-export * from './src/main/ets/components/cache/Md5'
 export * from './src/main/ets/components/cache/Base64'
 export * from './src/main/ets/components/cache/LruCache'
 export * from './src/main/ets/components/cache/diskstrategy/enum/ALL'
@@ -125,4 +124,5 @@ export {gifHandler} from './GifWorker'
 export type {IDrawLifeCycle} from './src/main/ets/components/imageknife/interface/IDrawLifeCycle'
 
 // 日志管理
-export * from './src/main/ets/components/imageknife/utils/LogUtil'
\ No newline at end of file
+export * from './src/main/ets/components/imageknife/utils/LogUtil'
+export * from './src/main/ets/components/imageknife/utils/spark-md5'
\ No newline at end of file
diff --git a/imageknife/src/main/ets/components/imageknife/networkmanage/DownloadClient.ets b/imageknife/src/main/ets/components/imageknife/networkmanage/DownloadClient.ets
index 22ac8be..9d2e7ae 100644
--- a/imageknife/src/main/ets/components/imageknife/networkmanage/DownloadClient.ets
+++ b/imageknife/src/main/ets/components/imageknife/networkmanage/DownloadClient.ets
@@ -15,8 +15,6 @@
 
 import type { IDataFetch } from '../networkmanage/IDataFetch'
 import { RequestOption } from '../RequestOption'
-import { Md5 } from '../../cache/Md5'
-import { FileUtils } from '../../cache/FileUtils'
 import { NetworkDownloadClient } from './NetworkDownloadClient'
 import { LoadLocalFileClient } from './LoadLocalFileClient'
 import { LoadDataShareFileClient } from './LoadDataShareFileClient'
diff --git a/imageknife/src/main/ets/components/imageknife/networkmanage/LoadLocalFileClient.ets b/imageknife/src/main/ets/components/imageknife/networkmanage/LoadLocalFileClient.ets
index b48937c..cf59a9c 100644
--- a/imageknife/src/main/ets/components/imageknife/networkmanage/LoadLocalFileClient.ets
+++ b/imageknife/src/main/ets/components/imageknife/networkmanage/LoadLocalFileClient.ets
@@ -15,9 +15,7 @@
 
 import type { IDataFetch } from '../networkmanage/IDataFetch'
 import { RequestOption } from '../RequestOption'
-import { Md5 } from '../../cache/Md5'
 import { FileUtils } from '../../cache/FileUtils'
-import loadRequest from '@ohos.request';
 
 export class LoadLocalFileClient implements IDataFetch {
   loadData(request: RequestOption, onComplete: (img: ArrayBuffer) => void, onError: (err: string) => void) {
diff --git a/imageknife/src/main/ets/components/imageknife/networkmanage/NetworkDownloadClient.ets b/imageknife/src/main/ets/components/imageknife/networkmanage/NetworkDownloadClient.ets
index 156e152..bae9bea 100644
--- a/imageknife/src/main/ets/components/imageknife/networkmanage/NetworkDownloadClient.ets
+++ b/imageknife/src/main/ets/components/imageknife/networkmanage/NetworkDownloadClient.ets
@@ -15,14 +15,14 @@
 
 import type { IDataFetch } from '../networkmanage/IDataFetch'
 import { RequestOption } from '../RequestOption'
-import { Md5 } from '../../cache/Md5'
+import { SparkMD5 } from '../utils/spark-md5'
 import { FileUtils } from '../../cache/FileUtils'
 import loadRequest from '@ohos.request';
 
 // 数据加载器
 export class NetworkDownloadClient implements IDataFetch {
   loadData(request: RequestOption, onComplete: (img: ArrayBuffer) => void, onError: (err: string) => void) {
-    let filename = Md5.hashStr(request.generateDataKey);
+    let filename = SparkMD5.hash(request.generateDataKey);
     let downloadFolder = request.getFilesPath() + "/" + request.networkCacheFolder;
     let allpath = request.getFilesPath() + "/" + request.networkCacheFolder + "/" + filename + ".img";
     if (!FileUtils.getInstance().existFolder(downloadFolder)) {
diff --git a/imageknife/src/main/ets/components/imageknife/requestmanage/RequestManager.ets b/imageknife/src/main/ets/components/imageknife/requestmanage/RequestManager.ets
index bf4d341..1f7a86f 100644
--- a/imageknife/src/main/ets/components/imageknife/requestmanage/RequestManager.ets
+++ b/imageknife/src/main/ets/components/imageknife/requestmanage/RequestManager.ets
@@ -13,25 +13,24 @@
  * limitations under the License.
  */
 
-import { RequestOption } from "../../imageknife/RequestOption"
-import { DiskLruCache } from "@ohos/disklrucache"
-import { LruCache } from "../../cache/LruCache"
-import {FileUtils} from "../../cache/FileUtils"
-import {Md5} from "../../cache/Md5"
-import{MemoryCacheProxy} from "../requestmanage/MemoryCacheProxy"
-import{DiskCacheProxy} from "../requestmanage/DiskCacheProxy"
-import{FileTypeUtil} from "../utils/FileTypeUtil"
-import type {IDataFetch} from "../../imageknife/networkmanage/IDataFetch"
-import type {IResourceFetch} from "../../imageknife/resourcemanage/IResourceFetch"
-import{ImageKnifeData,ImageKnifeType} from "../ImageKnifeData"
-import {AllCacheInfo} from "../../imageknife/interface/IAllCacheInfoCallback"
-import{ParseImageUtil} from '../utils/ParseImageUtil'
-import type {IParseImage} from '../interface/IParseImage'
-import image from "@ohos.multimedia.image"
+import { RequestOption } from '../../imageknife/RequestOption'
+import { DiskLruCache } from '@ohos/disklrucache'
+import { LruCache } from '../../cache/LruCache'
+import { SparkMD5 } from '../utils/spark-md5'
+import { MemoryCacheProxy } from '../requestmanage/MemoryCacheProxy'
+import { DiskCacheProxy } from '../requestmanage/DiskCacheProxy'
+import { FileTypeUtil } from '../utils/FileTypeUtil'
+import type { IDataFetch } from '../../imageknife/networkmanage/IDataFetch'
+import type { IResourceFetch } from '../../imageknife/resourcemanage/IResourceFetch'
+import { ImageKnifeData, ImageKnifeType } from '../ImageKnifeData'
+import { AllCacheInfo } from '../../imageknife/interface/IAllCacheInfoCallback'
+import { ParseImageUtil } from '../utils/ParseImageUtil'
+import type { IParseImage } from '../interface/IParseImage'
+import image from '@ohos.multimedia.image'
 import { SVGParseImpl } from '../utils/svg/SVGParseImpl'
 import { GIFParseImpl } from '../utils/gif/GIFParseImpl'
 import { GIFFrame } from '../utils/gif/GIFFrame'
-import {LogUtil} from '../../imageknife/utils/LogUtil'
+import { LogUtil } from '../../imageknife/utils/LogUtil'
 
 export interface AsyncString {
   (data: string): void;
@@ -113,14 +112,14 @@ export class RequestManager {
 
         // 变换后缓存
         allCacheInfo.resourceCacheInfo = {
-          key: Md5.hashStr(this.options.generateResourceKey),
-          path: (this.mDiskCacheProxy.getCachePath() + Md5.hashStr(this.options.generateResourceKey))
+          key: SparkMD5.hash(this.options.generateResourceKey),
+          path: (this.mDiskCacheProxy.getCachePath() + SparkMD5.hash(this.options.generateResourceKey))
         };
 
         // 原图缓存
         allCacheInfo.dataCacheInfo = {
-          key: Md5.hashStr(this.options.generateDataKey),
-          path: this.mDiskCacheProxy.getCachePath() + Md5.hashStr(this.options.generateDataKey)
+          key: SparkMD5.hash(this.options.generateDataKey),
+          path: this.mDiskCacheProxy.getCachePath() + SparkMD5.hash(this.options.generateDataKey)
         }
         this.options.allCacheInfoCallback(allCacheInfo)
       }