diff --git a/Android/simpleDemo/build.gradle b/Android/simpleDemo/build.gradle
index 2518b8aa..6454fbc1 100644
--- a/Android/simpleDemo/build.gradle
+++ b/Android/simpleDemo/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "cn.com.jlbank.ai"
         minSdkVersion 21
         targetSdkVersion 33
-        versionCode System.getenv("versionCode") ?: 1
         versionName System.getenv("versionName") ?: "1.0.0"
+        versionCode System.getenv("versionCode")?.toInteger() ?: 1
         multiDexEnabled true
         compileOptions {
             sourceCompatibility JavaVersion.VERSION_1_8