diff --git a/.gitignore b/.gitignore
index e58953b0..91ad4fa4 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 /.idea/
 /private/
 /storage/
+/litemall.iml
diff --git a/litemall-admin-api/.gitignore b/litemall-admin-api/.gitignore
index ede42044..f7e9170c 100644
--- a/litemall-admin-api/.gitignore
+++ b/litemall-admin-api/.gitignore
@@ -1,2 +1,3 @@
 
 /target/
+/litemall-admin-api.iml
diff --git a/litemall-admin-api/litemall-admin-api.iml b/litemall-admin-api/litemall-admin-api.iml
deleted file mode 100644
index 5f8f9651..00000000
--- a/litemall-admin-api/litemall-admin-api.iml
+++ /dev/null
@@ -1,82 +0,0 @@
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diff --git a/litemall-db/.gitignore b/litemall-db/.gitignore
index ede42044..1de76936 100644
--- a/litemall-db/.gitignore
+++ b/litemall-db/.gitignore
@@ -1,2 +1,3 @@
 
 /target/
+/litemall-db.iml
diff --git a/litemall-db/litemall-db.iml b/litemall-db/litemall-db.iml
deleted file mode 100644
index 70b3340f..00000000
--- a/litemall-db/litemall-db.iml
+++ /dev/null
@@ -1,68 +0,0 @@
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diff --git a/litemall-os-api/.gitignore b/litemall-os-api/.gitignore
index ede42044..ee0b013a 100644
--- a/litemall-os-api/.gitignore
+++ b/litemall-os-api/.gitignore
@@ -1,2 +1,3 @@
 
 /target/
+/litemall-os-api.iml
diff --git a/litemall-os-api/litemall-os-api.iml b/litemall-os-api/litemall-os-api.iml
deleted file mode 100644
index c7b68b5c..00000000
--- a/litemall-os-api/litemall-os-api.iml
+++ /dev/null
@@ -1,82 +0,0 @@
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\ No newline at end of file
diff --git a/litemall-wx-api/.gitignore b/litemall-wx-api/.gitignore
index ede42044..41db0155 100644
--- a/litemall-wx-api/.gitignore
+++ b/litemall-wx-api/.gitignore
@@ -1,2 +1,3 @@
 
 /target/
+/litemall-wx-api.iml
diff --git a/litemall-wx-api/litemall-wx-api.iml b/litemall-wx-api/litemall-wx-api.iml
deleted file mode 100644
index 7b3ae11c..00000000
--- a/litemall-wx-api/litemall-wx-api.iml
+++ /dev/null
@@ -1,99 +0,0 @@
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\ No newline at end of file
diff --git a/litemall.iml b/litemall.iml
deleted file mode 100644
index 7fc4e7b3..00000000
--- a/litemall.iml
+++ /dev/null
@@ -1,14 +0,0 @@
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-<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
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-    <output url="file://$MODULE_DIR$/target/classes" />
-    <output-test url="file://$MODULE_DIR$/target/test-classes" />
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-      <excludeFolder url="file://$MODULE_DIR$/target" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file