diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..f895792
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,20 @@
+The MIT License (MIT)
+Copyright © 2016 moxun
+
+Permission is hereby granted, free of charge, to any person obtaining a
+copy of this software and associated documentation files (the “Software”),
+to deal in the Software without restriction, including without limitation
+the rights to use, copy, modify, merge, publish, distribute, sublicense,
+and/or sell copies of the Software, and to permit persons to whom the
+Software is furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be
+included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH
+THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
\ No newline at end of file
diff --git a/README.md b/README.md
index 6fb3b54..252132f 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ copy代码，或转向Android Studio
 ##### Android Studio / IDEA
 - 在`build.gradle`中添加  
 ```
-compile 'com.moxun:tagcloudlib:1.0.2'
+compile 'com.moxun:tagcloudlib:1.0.3'
 ```
 
 - 在布局文件中引入  
diff --git a/app/src/test/java/com/moxun/tagcloud/ExampleUnitTest.java b/app/src/test/java/com/moxun/tagcloud/ExampleUnitTest.java
deleted file mode 100644
index b26b30c..0000000
--- a/app/src/test/java/com/moxun/tagcloud/ExampleUnitTest.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package com.moxun.tagcloud;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * To work on unit tests, switch the Test Artifact in the Build Variants view.
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() throws Exception {
-        assertEquals(4, 2 + 2);
-    }
-}
\ No newline at end of file
diff --git a/tagcloudlib/build.gradle b/tagcloudlib/build.gradle
index eeb473b..6877118 100644
--- a/tagcloudlib/build.gradle
+++ b/tagcloudlib/build.gradle
@@ -2,7 +2,7 @@ apply plugin: 'com.android.library'
 apply plugin: 'com.github.dcendents.android-maven'
 apply plugin: 'com.jfrog.bintray'
 
-version = "1.0.2"
+version = "1.0.3"
 android {
     compileSdkVersion 'Google Inc.:Google APIs:23'
     buildToolsVersion "23.0.2"
@@ -37,8 +37,8 @@ install {
                 // Set your license
                 licenses {
                     license {
-                        name 'The Apache Software License, Version 2.0'
-                        url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
+                        name 'The MIT License (MIT)'
+                        url 'http://mit-license.org/'
                     }
                 }
                 developers {
@@ -84,7 +84,7 @@ bintray {
         name = "tagcloudview"  //发布到Bintray上的项目名字
         websiteUrl = siteUrl
         vcsUrl = gitUrl
-        licenses = ["Apache-2.0"]
+        licenses = ["MIT"]
         publish = true
     }
 }
diff --git a/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/Tag.java b/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/Tag.java
index 43ce63e..5c67664 100755
--- a/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/Tag.java
+++ b/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/Tag.java
@@ -1,11 +1,29 @@
 package com.moxun.tagcloudlib.view;
 
 import android.graphics.Color;
-import android.util.Log;
 
 /**
- * Created by moxun on 1/19/2016
+ * Copyright © 2016 moxun
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the “Software”),
+ * to deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+ * OR OTHER DEALINGS IN THE SOFTWARE.
  */
+
 public class Tag {
 
     private int popularity;  //this is the importance/popularity of the Tag
diff --git a/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/TagCloud.java b/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/TagCloud.java
index 7cf225a..12485ed 100755
--- a/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/TagCloud.java
+++ b/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/TagCloud.java
@@ -1,6 +1,25 @@
 package com.moxun.tagcloudlib.view;
+
 /**
- * Created by moxun on 16/1/19
+ * Copyright © 2016 moxun
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the “Software”),
+ * to deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+ * OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
 import java.util.ArrayList;
diff --git a/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/TagCloudView.java b/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/TagCloudView.java
index 483a334..fb50f03 100755
--- a/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/TagCloudView.java
+++ b/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/TagCloudView.java
@@ -1,7 +1,25 @@
 package com.moxun.tagcloudlib.view;
 
 /**
- * Created by moxun on 19/1/2016
+ * Copyright © 2016 moxun
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the “Software”),
+ * to deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+ * OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
 import android.content.Context;
diff --git a/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/TagsAdapter.java b/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/TagsAdapter.java
index f5c587b..5f92e7a 100644
--- a/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/TagsAdapter.java
+++ b/tagcloudlib/src/main/java/com/moxun/tagcloudlib/view/TagsAdapter.java
@@ -5,8 +5,27 @@
 import android.view.ViewGroup;
 
 /**
- * Created by moxun on 16/1/19.
+ * Copyright © 2016 moxun
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files (the “Software”),
+ * to deal in the Software without restriction, including without limitation the
+ * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
+ * sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE
+ * OR OTHER DEALINGS IN THE SOFTWARE.
  */
+
 public abstract class TagsAdapter {
     private OnDataSetChangeListener onDataSetChangeListener;
 
diff --git a/tagcloudlib/src/main/res/drawable/bg.png b/tagcloudlib/src/main/res/drawable/bg.png
deleted file mode 100644
index aee44e1..0000000
Binary files a/tagcloudlib/src/main/res/drawable/bg.png and /dev/null differ
diff --git a/tagcloudlib/src/test/java/com/moxun/tagcloud/ExampleUnitTest.java b/tagcloudlib/src/test/java/com/moxun/tagcloud/ExampleUnitTest.java
deleted file mode 100644
index b26b30c..0000000
--- a/tagcloudlib/src/test/java/com/moxun/tagcloud/ExampleUnitTest.java
+++ /dev/null
@@ -1,15 +0,0 @@
-package com.moxun.tagcloud;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * To work on unit tests, switch the Test Artifact in the Build Variants view.
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() throws Exception {
-        assertEquals(4, 2 + 2);
-    }
-}
\ No newline at end of file