diff --git a/.github/workflows/app-prebuild.yml b/.github/workflows/app-prebuild.yml
index eecb8be..2bfd27e 100644
--- a/.github/workflows/app-prebuild.yml
+++ b/.github/workflows/app-prebuild.yml
@@ -41,9 +41,8 @@ jobs:
 
       - name: Set android sign key for app building
         run: |
-          cd android 
-          touch key.properties && echo $KEY_PROPERTIES > key.properties
-          ls -la && cd ../
+          echo "$KEY_PROPERTIES" > android/key.properties
+          ls -la && cd ../ && ls -la
 
       - uses: subosito/flutter-action@v2
         with: