diff --git a/.gitignore b/.gitignore
index 7433d23d..fcf8a5f2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -15,3 +15,5 @@
 /logs/
 *-dev*
 /data/
+/build/
+/packages/
diff --git a/datax-assembly/datax-assembly.iml b/datax-assembly/datax-assembly.iml
deleted file mode 100644
index f409c0ea..00000000
--- a/datax-assembly/datax-assembly.iml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
-    <output url="file://$MODULE_DIR$/target/classes" />
-    <output-test url="file://$MODULE_DIR$/target/test-classes" />
-    <content url="file://$MODULE_DIR$">
-      <excludeFolder url="file://$MODULE_DIR$/target" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file