diff --git a/.github/workflows/android.yml b/.github/workflows/android.yml
index bcac6ff..3400714 100644
--- a/.github/workflows/android.yml
+++ b/.github/workflows/android.yml
@@ -42,23 +42,23 @@ jobs:
           7z x opencv-mobile-3.4.15-android.7z -aoa
           mv opencv-mobile-3.4.15-android/sdk OcrLibrary/src
 
-      # 下载ncnn-20210720-android.zip并解压到OcrLibrary/src/main/ncnn
-      - name: Download ncnn-20210720-android.zip
+      # 下载ncnn-20220420-android.zip并解压到OcrLibrary/src/main/ncnn
+      - name: Download ncnn-20220420-android.zip
         run: |
-          wget https://github.com/Tencent/ncnn/releases/download/20210720/ncnn-20210720-android.zip -O ncnn-20210720-android.zip
-          unzip -q ncnn-20210720-android.zip
-          mv ncnn-20210720-android OcrLibrary/src/main/ncnn
+          wget https://github.com/Tencent/ncnn/releases/download/20220420/ncnn-20220420-android.zip -O ncnn-20220420-android.zip
+          unzip -q ncnn-20220420-android.zip
+          mv ncnn-20220420-android OcrLibrary/src/main/ncnn
           sed -i -e 's/  INTERFACE_COMPILE_OPTIONS "-fno-rtti;-fno-exceptions"/#&/' OcrLibrary/src/main/ncnn/arm64-v8a/lib/cmake/ncnn/ncnn.cmake
           sed -i -e 's/  INTERFACE_COMPILE_OPTIONS "-fno-rtti;-fno-exceptions"/#&/' OcrLibrary/src/main/ncnn/armeabi-v7a/lib/cmake/ncnn/ncnn.cmake
           sed -i -e 's/  INTERFACE_COMPILE_OPTIONS "-fno-rtti;-fno-exceptions"/#&/' OcrLibrary/src/main/ncnn/x86/lib/cmake/ncnn/ncnn.cmake
           sed -i -e 's/  INTERFACE_COMPILE_OPTIONS "-fno-rtti;-fno-exceptions"/#&/' OcrLibrary/src/main/ncnn/x86_64/lib/cmake/ncnn/ncnn.cmake
 
-      # 下载ncnn-20210720-android-vulkan.zip并解压到OcrLibrary/src/main/ncnn-vulkan
-      - name: Download ncnn-20210720-android-vulkan.zip
+      # 下载ncnn-20220420-android-vulkan.zip并解压到OcrLibrary/src/main/ncnn-vulkan
+      - name: Download ncnn-20220420-android-vulkan.zip
         run: |
-          wget https://github.com/Tencent/ncnn/releases/download/20210720/ncnn-20210720-android-vulkan.zip -O ncnn-20210720-android-vulkan.zip
-          unzip -q ncnn-20210720-android-vulkan.zip
-          mv ncnn-20210720-android-vulkan OcrLibrary/src/main/ncnn-vulkan
+          wget https://github.com/Tencent/ncnn/releases/download/20220420/ncnn-20220420-android-vulkan.zip -O ncnn-20220420-android-vulkan.zip
+          unzip -q ncnn-20220420-android-vulkan.zip
+          mv ncnn-20220420-android-vulkan OcrLibrary/src/main/ncnn-vulkan
           sed -i -e 's/  INTERFACE_COMPILE_OPTIONS "-fno-rtti;-fno-exceptions"/#&/' OcrLibrary/src/main/ncnn-vulkan/arm64-v8a/lib/cmake/ncnn/ncnn.cmake
           sed -i -e 's/  INTERFACE_COMPILE_OPTIONS "-fno-rtti;-fno-exceptions"/#&/' OcrLibrary/src/main/ncnn-vulkan/armeabi-v7a/lib/cmake/ncnn/ncnn.cmake
           sed -i -e 's/  INTERFACE_COMPILE_OPTIONS "-fno-rtti;-fno-exceptions"/#&/' OcrLibrary/src/main/ncnn-vulkan/x86/lib/cmake/ncnn/ncnn.cmake