diff --git a/CHANGELOG.md b/CHANGELOG.md
index 843f04d..e1ad3c9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+## 2.1.2-rc.13
+- 新增跳过网络判断缓存或者磁盘中是否存在图片接口isUrlExist
+
+
 ## 2.1.2-rc.12
 - 新增磁盘预加载返回文件路径接口prefetchToDiskCache
 
diff --git a/entry/src/main/ets/pages/testImageKnifeCache.ets b/entry/src/main/ets/pages/testImageKnifeCache.ets
index 8988a9a..e789269 100644
--- a/entry/src/main/ets/pages/testImageKnifeCache.ets
+++ b/entry/src/main/ets/pages/testImageKnifeCache.ets
@@ -20,12 +20,11 @@ import {
   ImageKnife,
   ImageKnifeData,
   RequestOption,
-  Size
+  Size,
+  CacheType
 } from '@ohos/libraryimageknife'
 import image from '@ohos.multimedia.image';
 import { BusinessError } from '@ohos.base';
-import { CacheType } from '@ohos/imageknife/src/main/ets/components/imageknife/RequestOption';
-
 
 let imageKnife: ImageKnife | undefined = ImageKnifeGlobal.getInstance().getImageKnife();
 
diff --git a/library/index.ets b/library/index.ets
index 061b4db..c6b4405 100644
--- a/library/index.ets
+++ b/library/index.ets
@@ -98,7 +98,7 @@ export { UPNG } from './src/main/ets/components/3rd_party/upng/UPNG'
 export { ImageKnife } from './src/main/ets/components/imageknife/ImageKnife'
 export { ImageKnifeGlobal } from './src/main/ets/components/imageknife/ImageKnifeGlobal'
 export { ObjectKey } from './src/main/ets/components/imageknife/ObjectKey'
-export {RequestOption,Size,DetachFromLayout,Priority} from './src/main/ets/components/imageknife/RequestOption'
+export {RequestOption,Size,DetachFromLayout,Priority,CacheType} from './src/main/ets/components/imageknife/RequestOption'
 export { ImageKnifeComponent, ScaleType, ScaleTypeHelper, AntiAliasing} from './src/main/ets/components/imageknife/ImageKnifeComponent'
 export { ImageKnifeDrawFactory } from './src/main/ets/components/imageknife/ImageKnifeDrawFactory'
 export {ImageKnifeOption,CropCircleWithBorder,Crop,GifOptions,TransformOptions,HeaderOptions} from './src/main/ets/components/imageknife/ImageKnifeOption'
diff --git a/library/oh-package.json5 b/library/oh-package.json5
index 1b8fc01..0867b6e 100644
--- a/library/oh-package.json5
+++ b/library/oh-package.json5
@@ -14,7 +14,7 @@
   "main": "index.ets",
   "repository": "https://gitee.com/openharmony-tpc/ImageKnife",
   "type": "module",
-  "version": "2.1.2-rc.12",
+  "version": "2.1.2-rc.13",
   "dependencies": {
     "pako": "^2.1.0",
     "@ohos/gpu_transform": "^1.0.0"
diff --git a/sharedlibrary/src/main/ets/Index.ets b/sharedlibrary/src/main/ets/Index.ets
index 28c8d80..a506039 100644
--- a/sharedlibrary/src/main/ets/Index.ets
+++ b/sharedlibrary/src/main/ets/Index.ets
@@ -97,7 +97,7 @@ export { UPNG } from '@ohos/imageknife'
  */
 export { ImageKnife } from '@ohos/imageknife'
 export { ImageKnifeGlobal } from '@ohos/imageknife'
-export {RequestOption,Size} from '@ohos/imageknife'
+export {RequestOption,Size,CacheType} from '@ohos/imageknife'
 export {ObjectKey} from '@ohos/imageknife'
 export { ImageKnifeComponent, ScaleType, ScaleTypeHelper, AntiAliasing, Priority} from '@ohos/imageknife'
 export { ImageKnifeDrawFactory } from '@ohos/imageknife'