diff --git a/OAT.xml b/OAT.xml
index 7eabe50..e7ff899 100644
--- a/OAT.xml
+++ b/OAT.xml
@@ -11,6 +11,7 @@
             <filteritem type="filename" name="NOTICE" desc="NOTICE文件，不添加版权头"/>
             <filteritem type="filename" name="hvigorw.bat" desc="hvigorw配置文件，DevEco Studio自动生成，不手动修改"/>
             <filteritem type="filename" name="hvigorw" desc="hvigorw配置文件，DevEco Studio自动生成，不手动修改"/>
+            <filteritem type="filepath" name="imageknife/src/main/ets/components/3rd_party/.*" desc="第三方开源软件源码，不修改版权头，以防有修改版权风险"/>
         </filefilter>
         <filefilter name="defaultPolicyFilter" desc="Filters for compatibility，license header policies">
             <filteritem type="filename" name="hvigorfile.js" desc="hvigor构建脚本，DevEco Studio自动生成，不手动修改"/>
@@ -21,6 +22,7 @@
             <filteritem type="filename" name="NOTICE" desc="NOTICE文件，不添加版权头"/>
             <filteritem type="filename" name="hvigorw.bat" desc="hvigorw配置文件，DevEco Studio自动生成，不手动修改"/>
             <filteritem type="filename" name="hvigorw" desc="hvigorw配置文件，DevEco Studio自动生成，不手动修改"/>
+            <filteritem type="filepath" name="imageknife/src/main/ets/components/3rd_party/.*" desc="第三方开源软件源码，不修改版权头，以防有修改版权风险"/>
         </filefilter>
         <filefilter name="defaultPolicyFilter" desc="Filters for copyright header policies">
         </filefilter>
@@ -33,6 +35,7 @@
             <filteritem type="filename" name="*.gif" desc="gif图片格式文件,用于展示示例"/>
             <filteritem type="filename" name="*.jpg" desc="jpg图片格式文件,用于展示示例"/>
             <filteritem type="filename" name="*.jpeg" desc="jpeg图片格式文件,用于展示示例"/>
+            <filteritem type="filepath" name="imageknife/src/main/ets/components/3rd_party/.*" desc="第三方开源软件源码，不修改版权头，以防有修改版权风险"/>
         </filefilter>
     </filefilterlist>
 </oatconfig>
diff --git a/README.md b/README.md
index 26c8520..6dc2ff7 100644
--- a/README.md
+++ b/README.md
@@ -21,8 +21,6 @@
 ohpm install @ohos/imageknife
 ```
 
-OpenHarmony npm环境配置等更多内容，参考安装教程 [如何安装OpenHarmony npm包](https://gitee.com/openharmony-tpc/docs/blob/master/OpenHarmony_npm_usage.md)。
-
 ## 使用说明
 
 1.在AbilityStage.ts中,初始化全局ImageKnife实例。
@@ -440,6 +438,9 @@ request.skipMemoryCache(true)
 <img src="screenshot/gif4.gif" width="50%"/>
 
 ## 约束与限制
+
+在下述版本验证通过：
+
 DevEco Studio: 3.1Release(3.1.3.400), SDK: API9 Release(3.2.11.5)
 
 ## 目录结构
diff --git a/gpu_transform/README.md b/gpu_transform/README.md
index e5a8d8e..496ab88 100644
--- a/gpu_transform/README.md
+++ b/gpu_transform/README.md
@@ -6,7 +6,7 @@
 
 ## 下载安装
 ```
-    ohpm install @ohos/gpu_transform 
+    ohpm install @ohos/gpu_transform
 ```
 
 ## 例子说明
@@ -67,6 +67,7 @@
 ## 约束与限制
 
 在下述版本验证通过：
+
 DevEco Studio: 3.1Release(3.1.3.400), SDK: API9 Release(3.2.11.5)
 
 ## 贡献代码
diff --git a/imageknife/index.ets b/imageknife/index.ets
index 6668275..9430bae 100644
--- a/imageknife/index.ets
+++ b/imageknife/index.ets
@@ -124,5 +124,4 @@ 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'
-export * from './src/main/ets/components/imageknife/utils/spark-md5'
\ No newline at end of file
+export * from './src/main/ets/components/imageknife/utils/LogUtil'
\ No newline at end of file
diff --git a/imageknife/src/main/ets/components/imageknife/utils/gif/jsbinaryschemaparser/lib/index.js b/imageknife/src/main/ets/components/3rd_party/jsbinaryschemaparser/lib/index.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/utils/gif/jsbinaryschemaparser/lib/index.js
rename to imageknife/src/main/ets/components/3rd_party/jsbinaryschemaparser/lib/index.js
diff --git a/imageknife/src/main/ets/components/imageknife/utils/gif/jsbinaryschemaparser/lib/parsers/uint8.js b/imageknife/src/main/ets/components/3rd_party/jsbinaryschemaparser/lib/parsers/uint8.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/utils/gif/jsbinaryschemaparser/lib/parsers/uint8.js
rename to imageknife/src/main/ets/components/3rd_party/jsbinaryschemaparser/lib/parsers/uint8.js
diff --git a/imageknife/src/main/ets/components/imageknife/utils/gif/jsbinaryschemaparser/lib/schemas/gif.js b/imageknife/src/main/ets/components/3rd_party/jsbinaryschemaparser/lib/schemas/gif.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/utils/gif/jsbinaryschemaparser/lib/schemas/gif.js
rename to imageknife/src/main/ets/components/3rd_party/jsbinaryschemaparser/lib/schemas/gif.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/deflate.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/deflate.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/deflate.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/deflate.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/inflate.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/inflate.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/inflate.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/inflate.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/utils/common.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/utils/common.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/utils/common.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/utils/common.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/utils/strings.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/utils/strings.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/utils/strings.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/utils/strings.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/adler32.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/adler32.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/adler32.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/adler32.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/constants.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/constants.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/constants.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/constants.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/crc32.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/crc32.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/crc32.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/crc32.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/deflate.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/deflate.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/deflate.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/deflate.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/gzheader.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/gzheader.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/gzheader.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/gzheader.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/inffast.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/inffast.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/inffast.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/inffast.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/inflate.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/inflate.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/inflate.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/inflate.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/inftrees.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/inftrees.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/inftrees.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/inftrees.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/messages.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/messages.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/messages.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/messages.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/trees.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/trees.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/trees.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/trees.js
diff --git a/imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/zstream.js b/imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/zstream.js
similarity index 100%
rename from imageknife/src/main/ets/components/imageknife/pngj/pako/lib/zlib/zstream.js
rename to imageknife/src/main/ets/components/3rd_party/pako/lib/zlib/zstream.js
diff --git a/imageknife/src/main/ets/components/imageknife/utils/spark-md5.js b/imageknife/src/main/ets/components/3rd_party/sparkmd5/spark-md5.js
similarity index 99%
rename from imageknife/src/main/ets/components/imageknife/utils/spark-md5.js
rename to imageknife/src/main/ets/components/3rd_party/sparkmd5/spark-md5.js
index 78b6fe3..9a3e5d0 100644
--- a/imageknife/src/main/ets/components/imageknife/utils/spark-md5.js
+++ b/imageknife/src/main/ets/components/3rd_party/sparkmd5/spark-md5.js
@@ -1,4 +1,4 @@
-
+import buffer from '@ohos.buffer';
 
     /*
      * Fastest md5 implementation around (JKM md5).
@@ -360,9 +360,9 @@
 
     function toUtf8(str) {
         if (/[\u0080-\uFFFF]/.test(str)) {
-            str = unescape(encodeURIComponent(str));
+            // 源码是str = unescape(encodeURIComponent(str));这里的API并不对等
+            buffer.from(str).toString("utf-8")
         }
-
         return str;
     }
 
diff --git a/imageknife/src/main/ets/components/imageknife/networkmanage/NetworkDownloadClient.ets b/imageknife/src/main/ets/components/imageknife/networkmanage/NetworkDownloadClient.ets
index bae9bea..1b3716d 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 { SparkMD5 } from '../utils/spark-md5'
+import { SparkMD5 } from '../../3rd_party/sparkmd5/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 = SparkMD5.hash(request.generateDataKey);
+    let filename = SparkMD5.hashBinary(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/pngj/UPNG.js b/imageknife/src/main/ets/components/imageknife/pngj/UPNG.js
index 5a326a2..8605db7 100644
--- a/imageknife/src/main/ets/components/imageknife/pngj/UPNG.js
+++ b/imageknife/src/main/ets/components/imageknife/pngj/UPNG.js
@@ -21,7 +21,7 @@
 *OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *SOFTWARE.*/
 //const pako = require('pako');
-import {deflate} from './pako/lib/deflate'
+import {deflate} from '../../3rd_party/pako/lib/deflate'
 var pako = {deflate}
 const UZIP = null;
 
diff --git a/imageknife/src/main/ets/components/imageknife/requestmanage/RequestManager.ets b/imageknife/src/main/ets/components/imageknife/requestmanage/RequestManager.ets
index 1f7a86f..8bd051a 100644
--- a/imageknife/src/main/ets/components/imageknife/requestmanage/RequestManager.ets
+++ b/imageknife/src/main/ets/components/imageknife/requestmanage/RequestManager.ets
@@ -16,7 +16,7 @@
 import { RequestOption } from '../../imageknife/RequestOption'
 import { DiskLruCache } from '@ohos/disklrucache'
 import { LruCache } from '../../cache/LruCache'
-import { SparkMD5 } from '../utils/spark-md5'
+import { SparkMD5 } from '../../3rd_party/sparkmd5/spark-md5'
 import { MemoryCacheProxy } from '../requestmanage/MemoryCacheProxy'
 import { DiskCacheProxy } from '../requestmanage/DiskCacheProxy'
 import { FileTypeUtil } from '../utils/FileTypeUtil'
@@ -112,14 +112,14 @@ export class RequestManager {
 
         // 变换后缓存
         allCacheInfo.resourceCacheInfo = {
-          key: SparkMD5.hash(this.options.generateResourceKey),
-          path: (this.mDiskCacheProxy.getCachePath() + SparkMD5.hash(this.options.generateResourceKey))
+          key: SparkMD5.hashBinary(this.options.generateResourceKey),
+          path: (this.mDiskCacheProxy.getCachePath() + SparkMD5.hashBinary(this.options.generateResourceKey))
         };
 
         // 原图缓存
         allCacheInfo.dataCacheInfo = {
-          key: SparkMD5.hash(this.options.generateDataKey),
-          path: this.mDiskCacheProxy.getCachePath() + SparkMD5.hash(this.options.generateDataKey)
+          key: SparkMD5.hashBinary(this.options.generateDataKey),
+          path: this.mDiskCacheProxy.getCachePath() + SparkMD5.hashBinary(this.options.generateDataKey)
         }
         this.options.allCacheInfoCallback(allCacheInfo)
       }
diff --git a/imageknife/src/main/ets/components/imageknife/utils/gif/parse/index.js b/imageknife/src/main/ets/components/imageknife/utils/gif/parse/index.js
index bfe3199..1fc1e99 100644
--- a/imageknife/src/main/ets/components/imageknife/utils/gif/parse/index.js
+++ b/imageknife/src/main/ets/components/imageknife/utils/gif/parse/index.js
@@ -13,8 +13,8 @@
  * limitations under the License.
  */
 
-import { _default } from '../jsbinaryschemaparser/lib/schemas/gif'
-import { conditional, loop, parse } from '../jsbinaryschemaparser/lib/index'
+import { _default } from '../../../../3rd_party/jsbinaryschemaparser/lib/schemas/gif'
+import { conditional, loop, parse } from '../../../../3rd_party/jsbinaryschemaparser/lib/index'
 import {
     buildStream,
     peekByte,
@@ -25,7 +25,7 @@ import {
     readBytes,
     readString,
     readUnsigned
-} from '../jsbinaryschemaparser/lib/parsers/uint8'
+} from '../../../../3rd_party/jsbinaryschemaparser/lib/parsers/uint8'
 import { deinterlace } from './deinterlace'
 import { lzw } from './lzw'