diff --git a/.idea/codeStyles/Project.xml b/.idea/codeStyles/Project.xml
deleted file mode 100644
index a9ea262..0000000
--- a/.idea/codeStyles/Project.xml
+++ /dev/null
@@ -1,38 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <code_scheme name="Project" version="173">
-    <JetCodeStyleSettings>
-      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
-    </JetCodeStyleSettings>
-    <MarkdownNavigatorCodeStyleSettings>
-      <option name="RIGHT_MARGIN" value="72" />
-    </MarkdownNavigatorCodeStyleSettings>
-    <Objective-C-extensions>
-      <file>
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Import" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Macro" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Typedef" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Enum" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Constant" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Global" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Struct" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="FunctionPredecl" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Function" />
-      </file>
-      <class>
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Property" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="Synthesize" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InitMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="StaticMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="InstanceMethod" />
-        <option name="com.jetbrains.cidr.lang.util.OCDeclarationKind" value="DeallocMethod" />
-      </class>
-      <extensions>
-        <pair source="cpp" header="h" fileNamingConvention="NONE" />
-        <pair source="c" header="h" fileNamingConvention="NONE" />
-      </extensions>
-    </Objective-C-extensions>
-    <codeStyleSettings language="kotlin">
-      <option name="CODE_STYLE_DEFAULTS" value="KOTLIN_OFFICIAL" />
-    </codeStyleSettings>
-  </code_scheme>
-</component>
\ No newline at end of file
diff --git a/.idea/codeStyles/codeStyleConfig.xml b/.idea/codeStyles/codeStyleConfig.xml
deleted file mode 100644
index a55e7a1..0000000
--- a/.idea/codeStyles/codeStyleConfig.xml
+++ /dev/null
@@ -1,5 +0,0 @@
-<component name="ProjectCodeStyleConfiguration">
-  <state>
-    <option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
-  </state>
-</component>
\ No newline at end of file
diff --git a/.idea/markdown-navigator.xml b/.idea/markdown-navigator.xml
deleted file mode 100644
index 2bdcded..0000000
--- a/.idea/markdown-navigator.xml
+++ /dev/null
@@ -1,85 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="MarkdownProjectSettings" wasCopied="false">
-    <PreviewSettings splitEditorLayout="SPLIT" splitEditorPreview="PREVIEW" useGrayscaleRendering="false" zoomFactor="1.25" maxImageWidth="0" showGitHubPageIfSynced="false" allowBrowsingInPreview="false" synchronizePreviewPosition="true" highlightPreviewType="NONE" highlightFadeOut="5" highlightOnTyping="true" synchronizeSourcePosition="true" verticallyAlignSourceAndPreviewSyncPosition="true" showSearchHighlightsInPreview="false" showSelectionInPreview="true" openRemoteLinks="true" replaceUnicodeEmoji="false" lastLayoutSetsDefault="false">
-      <PanelProvider>
-        <provider providerId="com.vladsch.idea.multimarkdown.editor.swing.html.panel" providerName="Default - Swing" />
-      </PanelProvider>
-    </PreviewSettings>
-    <ParserSettings gitHubSyntaxChange="false" emojiShortcuts="1" emojiImages="0">
-      <PegdownExtensions>
-        <option name="ABBREVIATIONS" value="false" />
-        <option name="ANCHORLINKS" value="true" />
-        <option name="ASIDE" value="false" />
-        <option name="ATXHEADERSPACE" value="true" />
-        <option name="AUTOLINKS" value="true" />
-        <option name="DEFINITIONS" value="false" />
-        <option name="DEFINITION_BREAK_DOUBLE_BLANK_LINE" value="false" />
-        <option name="FENCED_CODE_BLOCKS" value="true" />
-        <option name="FOOTNOTES" value="false" />
-        <option name="HARDWRAPS" value="false" />
-        <option name="HTML_DEEP_PARSER" value="false" />
-        <option name="INSERTED" value="false" />
-        <option name="QUOTES" value="false" />
-        <option name="RELAXEDHRULES" value="true" />
-        <option name="SMARTS" value="false" />
-        <option name="STRIKETHROUGH" value="true" />
-        <option name="SUBSCRIPT" value="false" />
-        <option name="SUPERSCRIPT" value="false" />
-        <option name="SUPPRESS_HTML_BLOCKS" value="false" />
-        <option name="SUPPRESS_INLINE_HTML" value="false" />
-        <option name="TABLES" value="true" />
-        <option name="TASKLISTITEMS" value="true" />
-        <option name="TOC" value="false" />
-        <option name="WIKILINKS" value="false" />
-      </PegdownExtensions>
-      <ParserOptions>
-        <option name="ADMONITION_EXT" value="false" />
-        <option name="ATTRIBUTES_EXT" value="false" />
-        <option name="COMMONMARK_LISTS" value="true" />
-        <option name="DUMMY" value="false" />
-        <option name="EMOJI_SHORTCUTS" value="true" />
-        <option name="ENUMERATED_REFERENCES_EXT" value="false" />
-        <option name="FLEXMARK_FRONT_MATTER" value="false" />
-        <option name="GFM_LOOSE_BLANK_LINE_AFTER_ITEM_PARA" value="false" />
-        <option name="GFM_TABLE_RENDERING" value="true" />
-        <option name="GITBOOK_URL_ENCODING" value="false" />
-        <option name="GITHUB_LISTS" value="false" />
-        <option name="GITHUB_WIKI_LINKS" value="false" />
-        <option name="GITLAB_EXT" value="false" />
-        <option name="GITLAB_MATH_EXT" value="false" />
-        <option name="GITLAB_MERMAID_EXT" value="false" />
-        <option name="HEADER_ID_NON_ASCII_TO_LOWERCASE" value="false" />
-        <option name="HEADER_ID_NO_DUPED_DASHES" value="false" />
-        <option name="JEKYLL_FRONT_MATTER" value="false" />
-        <option name="MACROS_EXT" value="false" />
-        <option name="NO_TEXT_ATTRIBUTES" value="false" />
-        <option name="PARSE_HTML_ANCHOR_ID" value="false" />
-        <option name="PLANTUML_FENCED_CODE" value="false" />
-        <option name="PUML_FENCED_CODE" value="false" />
-        <option name="SIM_TOC_BLANK_LINE_SPACER" value="true" />
-      </ParserOptions>
-    </ParserSettings>
-    <HtmlSettings headerTopEnabled="false" headerBottomEnabled="false" bodyTopEnabled="false" bodyBottomEnabled="false" embedUrlContent="false" addPageHeader="true" embedImages="false" embedHttpImages="false" imageUriSerials="false" addDocTypeHtml="true" noParaTags="false" plantUmlConversion="0" mathConversion="0">
-      <GeneratorProvider>
-        <provider providerId="com.vladsch.idea.multimarkdown.editor.swing.html.generator" providerName="Default Swing HTML Generator" />
-      </GeneratorProvider>
-      <headerTop />
-      <headerBottom />
-      <bodyTop />
-      <bodyBottom />
-    </HtmlSettings>
-    <CssSettings previewScheme="UI_SCHEME" cssUri="" isCssUriEnabled="false" isCssUriSerial="true" isCssTextEnabled="false" isDynamicPageWidth="true">
-      <StylesheetProvider>
-        <provider providerId="com.vladsch.idea.multimarkdown.editor.swing.html.css" providerName="Default Swing Stylesheet" />
-      </StylesheetProvider>
-      <ScriptProviders />
-      <cssText />
-      <cssUriHistory />
-    </CssSettings>
-    <HtmlExportSettings updateOnSave="false" parentDir="" targetDir="" cssDir="" scriptDir="" plainHtml="false" imageDir="" copyLinkedImages="false" imageUniquifyType="0" targetPathType="2" targetExt="" useTargetExt="false" noCssNoScripts="false" useElementStyleAttribute="false" linkToExportedHtml="true" exportOnSettingsChange="true" regenerateOnProjectOpen="false" linkFormatType="HTTP_ABSOLUTE" />
-    <LinkMapSettings>
-      <textMaps />
-    </LinkMapSettings>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/markdown-navigator/profiles_settings.xml b/.idea/markdown-navigator/profiles_settings.xml
deleted file mode 100644
index 57927c5..0000000
--- a/.idea/markdown-navigator/profiles_settings.xml
+++ /dev/null
@@ -1,3 +0,0 @@
-<component name="MarkdownNavigator.ProfileManager">
-  <settings default="" pdf-export="" />
-</component>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
deleted file mode 100644
index f5c6d9e..0000000
--- a/.idea/misc.xml
+++ /dev/null
@@ -1,4 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" project-jdk-name="1.8" project-jdk-type="JavaSDK" />
-</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
deleted file mode 100644
index 7293468..0000000
--- a/.idea/modules.xml
+++ /dev/null
@@ -1,10 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="ProjectModuleManager">
-    <modules>
-      <module fileurl="file://$PROJECT_DIR$/.idea/ImageLabelView.iml" filepath="$PROJECT_DIR$/.idea/ImageLabelView.iml" />
-      <module fileurl="file://$PROJECT_DIR$/imagelabel/imagelabel.iml" filepath="$PROJECT_DIR$/imagelabel/imagelabel.iml" />
-      <module fileurl="file://$PROJECT_DIR$/sample/sample.iml" filepath="$PROJECT_DIR$/sample/sample.iml" />
-    </modules>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/runConfigurations.xml b/.idea/runConfigurations.xml
deleted file mode 100644
index 7f68460..0000000
--- a/.idea/runConfigurations.xml
+++ /dev/null
@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="RunConfigurationProducerService">
-    <option name="ignoredProducers">
-      <set>
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.AllInPackageGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestClassGradleConfigurationProducer" />
-        <option value="org.jetbrains.plugins.gradle.execution.test.runner.TestMethodGradleConfigurationProducer" />
-      </set>
-    </option>
-  </component>
-</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
deleted file mode 100644
index 35eb1dd..0000000
--- a/.idea/vcs.xml
+++ /dev/null
@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="VcsDirectoryMappings">
-    <mapping directory="" vcs="Git" />
-  </component>
-</project>
\ No newline at end of file
diff --git a/README-zh.md b/README-zh.md
index aa318cc..3fd5b03 100644
--- a/README-zh.md
+++ b/README-zh.md
@@ -1,7 +1,7 @@
 # ImageLabelView
 [![](https://jitpack.io/v/SirLYC/ImageLabelView.svg)](https://jitpack.io/#SirLYC/ImageLabelView)
 
-[English](https://github.com/SirLYC/ImageLabelView/blob/master/README-zh.md)|[我的博客](https://juejin.im/user/592e23d3ac502e006c9afdd7)
+[English](https://github.com/SirLYC/ImageLabelView/blob/master/README.md) | [我的博客](https://juejin.im/user/592e23d3ac502e006c9afdd7)
 
 一款用于图片画框标注的工具。
 
diff --git a/README.md b/README.md
index e437aa5..23239b1 100644
--- a/README.md
+++ b/README.md
@@ -1,12 +1,10 @@
 # ImageLabelView
 [![](https://jitpack.io/v/SirLYC/ImageLabelView.svg)](https://jitpack.io/#SirLYC/ImageLabelView)
 
-[简体中文](https://github.com/SirLYC/ImageLabelView/blob/master/README-zh.md)|[My Blog(Chinese)](https://juejin.im/user/592e23d3ac502e006c9afdd7)
+[简体中文](https://github.com/SirLYC/ImageLabelView/blob/master/README-zh.md) | [My Blog(Chinese)](https://juejin.im/user/592e23d3ac502e006c9afdd7)
 
 A view for data-labeling(a tool for machine learning).
 
-[Chinese blog here.](https://juejin.im/post/5c9f57c251882567d41ebab6)
-
 ![1](https://github.com/SirLYC/ImageLabelView/blob/master/images/1.gif?raw=true)
 ![2](https://github.com/SirLYC/ImageLabelView/blob/master/images/2.gif?raw=true)
 
diff --git a/gradlew b/gradlew
old mode 100755
new mode 100644
diff --git a/imagelabel/build.gradle b/imagelabel/build.gradle
index 6b70f56..bd28686 100644
--- a/imagelabel/build.gradle
+++ b/imagelabel/build.gradle
@@ -35,8 +35,8 @@ android {
     defaultConfig {
         minSdkVersion 15
         targetSdkVersion 28
-        versionCode 1
-        versionName "1.0"
+        versionCode 2
+        versionName "0.1.1"
 
         testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"