diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8b15e84
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,3 @@
+*.class
+example/.idea
+build
diff --git a/build.sh b/build.sh
index a77d410..7fd38a6 100755
--- a/build.sh
+++ b/build.sh
@@ -6,6 +6,7 @@
 #g++ -dynamiclib -o libleveldbjni.dylib LevelDb.o ${LEVELDB_DIR}/libleveldb.a  -lc
 
 # docker create -it -v $(pwd):/var/prj arm64v8/debian
+# docker create --platform=linux/x86_64 -it -v $(pwd):/var/prj debian
 
 apt-get update
 apt-get install cmake
diff --git a/compiled/leveldbjni-1.123.0-macos.jar b/compiled/leveldbjni-1.123.0-macos.jar
deleted file mode 100644
index b3c7cc1..0000000
Binary files a/compiled/leveldbjni-1.123.0-macos.jar and /dev/null differ
diff --git a/compiled/leveldbjni-1.123.0.jar b/compiled/leveldbjni-1.123.0.jar
new file mode 100644
index 0000000..799371e
Binary files /dev/null and b/compiled/leveldbjni-1.123.0.jar differ