diff --git a/marking_app/android/app/key/key.jks b/marking_app/android/app/key/key.jks
new file mode 100644
index 0000000..f33a334
Binary files /dev/null and b/marking_app/android/app/key/key.jks differ
diff --git a/marking_app/android/key.properties b/marking_app/android/key.properties
new file mode 100644
index 0000000..cdae807
--- /dev/null
+++ b/marking_app/android/key.properties
@@ -0,0 +1,4 @@
+storePassword= Woshiren.123
+keyPassword= Woshiren.123
+keyAlias=sign
+storeFile=./key/key.jks
\ No newline at end of file