diff --git a/.gitignore b/.gitignore
index 0ec1c51672e6c97a4b676a9fe2a09a62820db640..9ef93bc0eb72659251d41ed7a211b7dd8954d73f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,6 @@
 *.iml
 .gradle
-/local.properties
+local.properties
 /.idea/caches
 /.idea/libraries
 /.idea/modules.xml
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 26cd0a704241b25f804f86b9bb8db2f41fb49f60..9f48a51605f689468dbfa34f2d95b14d719e7b1a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,9 @@
-## 0.0.2-SNAPSHOT
+## 0.0.3-SNAPSHOT
 * modification: Update copyright
 
+## 0.0.2-SNAPSHOT
+* optimization: Optimize code
+
 ## 0.0.1-SNAPSHOT
 * refactor: For module library Android-to-OpenHarmony
 
diff --git a/README.md b/README.md
index b33841ecbe0adddc533c032ef237c12a43bfe941..a0240e39a4b5c2e40a4ecb79f243522b58775e40 100644
--- a/README.md
+++ b/README.md
@@ -44,7 +44,7 @@ allprojects {
 
  ```gradle
  dependencies {
-    implementation('com.gitee.chinasoft_ohos:labelview:0.0.2-SNAPSHOT')
+    implementation('com.gitee.chinasoft_ohos:labelview:0.0.3-SNAPSHOT')
     ......  
  }
  ```
@@ -215,11 +215,11 @@ CloudTest代码测试无异常
 
 当前版本demo功能与安卓原组件基本无差异
 
-测试员：刘飞虎
+测试员：戴星
 
 #### 版本迭代
 
-- 0.0.2-SNAPSHOT
+- 0.0.3-SNAPSHOT
 
 #### 版权和许可信息
 Copyright 2014 linger1216
diff --git a/lib/lib.iml b/lib/lib.iml
deleted file mode 100644
index 000ba0ef406e7b8dffb671750f888a0e845c60e5..0000000000000000000000000000000000000000
--- a/lib/lib.iml
+++ /dev/null
@@ -1,80 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module external.linked.project.id=":lib" external.linked.project.path="$MODULE_DIR$" external.root.project.path="$MODULE_DIR$/.." external.system.id="GRADLE" external.system.module.group="com.gitee.chinasoft_ohos" external.system.module.version="unspecified" type="JAVA_MODULE" version="4">
-  <component name="CheckStyle-IDEA-Module">
-    <option name="configuration">
-      <map />
-    </option>
-  </component>
-  <component name="FacetManager">
-    <facet type="android-gradle" name="Android-Gradle">
-      <configuration>
-        <option name="GRADLE_PROJECT_PATH" value=":lib" />
-        <option name="LAST_SUCCESSFUL_SYNC_AGP_VERSION" />
-        <option name="LAST_KNOWN_AGP_VERSION" />
-      </configuration>
-    </facet>
-    <facet type="java-gradle" name="Java-Gradle">
-      <configuration>
-        <option name="BUILD_FOLDER_PATH" value="$MODULE_DIR$/build" />
-        <option name="BUILDABLE" value="false" />
-      </configuration>
-    </facet>
-    <facet type="harmony" name="harmony">
-      <configuration>
-        <option name="SELECTED_BUILD_VARIANT" value="debug" />
-        <option name="ASSEMBLE_TASK_NAME" value="assembleDebug" />
-        <option name="GENERATE_RESOURCES_TASK_NAME" value="generateDebugResources" />
-        <option name="MODULE_TYPE" value="har" />
-        <option name="DEBUGGABLE" value="true" />
-        <option name="HAP_OUTPUT_FOLDER_PATH" value="D:\gitee\git\sow22\labelview\lib\build\outputs\hap\debug" />
-        <option name="PREVIEW_EXECUTE_TASK_NAME" value="generateDebugJsManifest" />
-        <option name="JS_MANIFEST_PATH" value="D:\gitee\git\sow22\labelview\lib\build\intermediates\res\debug\jsManifest" />
-        <option name="SUPERVISUAL_SOURCE_DIR_PATH" value="D:\gitee\git\sow22\labelview\lib\src\main\supervisual" />
-        <option name="JS_SOURCE_DIR_PATH" value="D:\gitee\git\sow22\labelview\lib\src\main\js" />
-        <option name="MERGE_JS_SRC" value="false" />
-      </configuration>
-    </facet>
-    <facet type="ohos" name="Ohos">
-      <configuration>
-        <option name="configurationProperty" value="This is option under configuration" />
-        <option name="gradleProjectPath" value=":lib" />
-        <option name="moduleExternalName" value="lib" />
-        <option name="moduleName" value="lib" />
-      </configuration>
-    </facet>
-  </component>
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
-    <output url="file://$MODULE_DIR$/build/intermediates/javac/debug/classes" />
-    <output-test url="file://$MODULE_DIR$/build/intermediates/javac/debugTest/classes" />
-    <exclude-output />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/idl" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/annotation/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/generated/source/buildConfig/debug" isTestSource="false" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/build/intermediates/merge_res/debug/original_res/res" type="java-resource" generated="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/idl" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/js" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/debug/resources" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/idl" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/js" isTestSource="false" />
-      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/ohosTest/java" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/ohosTest/idl" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/ohosTest/js" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/ohosTest/resources" type="java-test-resource" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/idl" isTestSource="true" />
-      <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
-      <excludeFolder url="file://$MODULE_DIR$/.cxx" />
-      <excludeFolder url="file://$MODULE_DIR$/.gradle" />
-      <excludeFolder url="file://$MODULE_DIR$/.preview" />
-      <excludeFolder url="file://$MODULE_DIR$/build" />
-    </content>
-    <orderEntry type="jdk" jdkName="SDK(API Version 5)" jdkType="SDK" />
-    <orderEntry type="sourceFolder" forTests="false" />
-    <orderEntry type="library" exported="" scope="TEST" name="Gradle: hamcrest-core-1.3" level="project" />
-    <orderEntry type="library" exported="" scope="TEST" name="Gradle: junit-4.12" level="project" />
-  </component>
-</module>
\ No newline at end of file