diff --git a/app/build.gradle b/app/build.gradle
index 8178ef3..f49841d 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -33,7 +33,7 @@ dependencies {
 android {
     defaultConfig {
         //应用的实际包名
-        applicationId "com.github.gzuliyujiang.demo"
+        applicationId "com.github.gzuliyujiang.demo.picker"
         // 配合 productFlavors 节点按不同维度打包
         flavorDimensions "MODE"
         // 修改 AndroidManifest.xml 里的变量，占位值无法覆盖的坑可参阅 https://www.jianshu.com/p/1d5271c2c366
diff --git a/buildAPK.bat b/buildAPK.bat
index 16baef6..85eb54b 100644
--- a/buildAPK.bat
+++ b/buildAPK.bat
@@ -1,4 +1,5 @@
-@rem build and proguard apk
+@rem JAVA_HOME -> jdk1.8
+@echo build and proguard apk
 cd /d ./
 gradlew.bat clean assembleRelease --info --warning-mode all
 pause
diff --git a/demo.apk b/demo.apk
index 42c4bd4..69c3bfa 100644
Binary files a/demo.apk and b/demo.apk differ
diff --git a/gradle.properties b/gradle.properties
index 16c6e46..c3c0796 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -10,7 +10,7 @@
 # PURPOSE.
 # See the Mulan PSL v2 for more details.
 #
-org.gradle.jvmargs=-Xmx2048M -Dkotlin.daemon.jvm.options\="-Xmx2048M" -XX\:MaxPermSize\=512m -XX\:+HeapDumpOnOutOfMemoryError -Dfile.encoding\=UTF-8
+org.gradle.jvmargs=-Xmx2048M -Dkotlin.daemon.jvm.options\="-Xmx2048M" -XX\:+HeapDumpOnOutOfMemoryError -Dfile.encoding\=UTF-8
 # 并行构建
 org.gradle.parallel=true
 # 进程守护
diff --git a/publishAAR.bat b/publishAAR.bat
index 9a6087e..017102e 100644
--- a/publishAAR.bat
+++ b/publishAAR.bat
@@ -1,3 +1,4 @@
+@rem JAVA_HOME -> jdk1.8
 @echo publish aar to local repository
 cd /d ./
 gradlew.bat clean publishReleasePublicationToLocalRepository --info --warning-mode all