diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index f7c0330843..1ee220d083 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -4,10 +4,9 @@
     <option name="autoReloadType" value="SELECTIVE" />
   </component>
   <component name="ChangeListManager">
-    <list default="true" id="080575e3-7e62-4649-ae70-06fb6130a866" name="Changes" comment="添加文章链接： https://www.ossez.com/t/java-list-null/13940">
+    <list default="true" id="080575e3-7e62-4649-ae70-06fb6130a866" name="Changes" comment="更新： Java 从一个 List 中删除重复的元素 文章链接">
       <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/core-java-modules/core-java-collections-list/src/test/java/com/ossez/collections/JavaCollectionCleanupUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/core-java-modules/core-java-collections-list/src/test/java/com/ossez/collections/JavaCollectionCleanupUnitTest.java" afterDir="false" />
-      <change beforePath="$PROJECT_DIR$/core-java-modules/core-java-collections-list/src/test/java/com/ossez/java8/Java8CollectionCleanupUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/core-java-modules/core-java-collections-list/src/test/java/com/ossez/java8/Java8CollectionCleanupUnitTest.java" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/core-java-modules/core-java-collections-list/src/test/java/com/ossez/java/list/ReverseIteratorUnitTest.java" beforeDir="false" afterPath="$PROJECT_DIR$/core-java-modules/core-java-collections-list/src/test/java/com/ossez/java/list/ReverseIteratorUnitTest.java" afterDir="false" />
     </list>
     <option name="SHOW_DIALOG" value="false" />
     <option name="HIGHLIGHT_CONFLICTS" value="true" />
@@ -67,7 +66,7 @@
       <recent name="com.ossez.collections" />
     </key>
   </component>
-  <component name="RunManager" selected="JUnit.JavaCollectionCleanupUnitTest.givenListContainsDuplicates_whenRemovingDuplicatesWithPlainJava_thenCorrect">
+  <component name="RunManager" selected="JUnit.ReverseIteratorUnitTest.whenIteratingUsingGuava_thenCorrect">
     <configuration default="true" type="DjangoTestsConfigurationType">
       <module name="junit-5-basics" />
       <option name="INTERPRETER_OPTIONS" value="" />
@@ -171,17 +170,17 @@
         <option name="Make" enabled="true" />
       </method>
     </configuration>
-    <configuration name="RandomListElementUnitTest.givenList_whenRandomIndexChosen_shouldReturnARandomElementUsingMathRandom" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
+    <configuration name="ReverseIteratorUnitTest.whenIteratingUsingGuava_thenCorrect" type="JUnit" factoryName="JUnit" temporary="true" nameIsGenerated="true">
       <module name="core-java-collections-list" />
       <extension name="coverage">
         <pattern>
-          <option name="PATTERN" value="com.ossez.list.random.*" />
+          <option name="PATTERN" value="com.ossez.java.list.*" />
           <option name="ENABLED" value="true" />
         </pattern>
       </extension>
-      <option name="PACKAGE_NAME" value="com.ossez.list.random" />
-      <option name="MAIN_CLASS_NAME" value="com.ossez.list.random.RandomListElementUnitTest" />
-      <option name="METHOD_NAME" value="givenList_whenRandomIndexChosen_shouldReturnARandomElementUsingMathRandom" />
+      <option name="PACKAGE_NAME" value="com.ossez.java.list" />
+      <option name="MAIN_CLASS_NAME" value="com.ossez.java.list.ReverseIteratorUnitTest" />
+      <option name="METHOD_NAME" value="whenIteratingUsingGuava_thenCorrect" />
       <option name="TEST_OBJECT" value="method" />
       <method v="2">
         <option name="Make" enabled="true" />
@@ -296,11 +295,11 @@
     </configuration>
     <recent_temporary>
       <list>
+        <item itemvalue="JUnit.ReverseIteratorUnitTest.whenIteratingUsingGuava_thenCorrect" />
         <item itemvalue="JUnit.JavaCollectionCleanupUnitTest.givenListContainsDuplicates_whenRemovingDuplicatesWithPlainJava_thenCorrect" />
         <item itemvalue="JUnit.JavaCollectionCleanupUnitTest.givenListContainsNulls_whenRemovingNullsWithGuavaV1_thenCorrect" />
         <item itemvalue="JUnit.JavaCollectionCleanupUnitTest.givenListContainsNulls_whenRemovingNullsWithPlainJavaAlternative_thenCorrect" />
         <item itemvalue="JUnit.JavaCollectionCleanupUnitTest.givenListContainsNulls_whenRemovingNullsWithPlainJava_thenCorrect" />
-        <item itemvalue="JUnit.RandomListElementUnitTest.givenList_whenRandomIndexChosen_shouldReturnARandomElementUsingMathRandom" />
       </list>
     </recent_temporary>
   </component>
@@ -436,7 +435,21 @@
       <option name="project" value="LOCAL" />
       <updated>1651415236464</updated>
     </task>
-    <option name="localTasksCounter" value="18" />
+    <task id="LOCAL-00018" summary="Java 从一个 List 中删除所有重复的元素： https://www.ossez.com/t/java-list/13942">
+      <created>1651417575415</created>
+      <option name="number" value="00018" />
+      <option name="presentableId" value="LOCAL-00018" />
+      <option name="project" value="LOCAL" />
+      <updated>1651417575415</updated>
+    </task>
+    <task id="LOCAL-00019" summary="更新： Java 从一个 List 中删除重复的元素 文章链接">
+      <created>1651418643865</created>
+      <option name="number" value="00019" />
+      <option name="presentableId" value="LOCAL-00019" />
+      <option name="project" value="LOCAL" />
+      <updated>1651418643865</updated>
+    </task>
+    <option name="localTasksCounter" value="20" />
     <servers />
   </component>
   <component name="TypeScriptGeneratedFilesManager">
@@ -471,7 +484,9 @@
     <MESSAGE value="提交所有代码，为将默认分支名从 master 切换到 main 做准备" />
     <MESSAGE value="init submit all for code branch" />
     <MESSAGE value="添加文章链接： https://www.ossez.com/t/java-list-null/13940" />
-    <option name="LAST_COMMIT_MESSAGE" value="添加文章链接： https://www.ossez.com/t/java-list-null/13940" />
+    <MESSAGE value="Java 从一个 List 中删除所有重复的元素： https://www.ossez.com/t/java-list/13942" />
+    <MESSAGE value="更新： Java 从一个 List 中删除重复的元素 文章链接" />
+    <option name="LAST_COMMIT_MESSAGE" value="更新： Java 从一个 List 中删除重复的元素 文章链接" />
   </component>
   <component name="XDebuggerManager">
     <breakpoint-manager>
@@ -486,6 +501,11 @@
           <line>54</line>
           <option name="timeStamp" value="4" />
         </line-breakpoint>
+        <line-breakpoint enabled="true" type="java-line">
+          <url>file://$PROJECT_DIR$/core-java-modules/core-java-collections-list/src/test/java/com/ossez/java/list/ReverseIteratorUnitTest.java</url>
+          <line>88</line>
+          <option name="timeStamp" value="7" />
+        </line-breakpoint>
       </breakpoints>
     </breakpoint-manager>
   </component>
diff --git a/core-java-modules/core-java-collections-list/README.md b/core-java-modules/core-java-collections-list/README.md
index 3508847d6f..0de5cc9eaa 100644
--- a/core-java-modules/core-java-collections-list/README.md
+++ b/core-java-modules/core-java-collections-list/README.md
@@ -5,7 +5,7 @@
 ### 相关文章： 
 - [Java 如何从一个 List 中随机获得元素](https://www.ossez.com/t/java-list/13934)
 - [Java 从一个 List 中删除 null 元素](https://www.ossez.com/t/java-list-null/13940)
-- [Removing all duplicates from a List in Java](http://www.baeldung.com/java-remove-duplicates-from-list)
+- [Java 从一个 List 中删除重复的元素](https://www.ossez.com/t/java-list/13942)
 - [How to TDD a List Implementation in Java](http://www.baeldung.com/java-test-driven-list)
 - [Iterating Backward Through a List](http://www.baeldung.com/java-list-iterate-backwards)
 - [如何从 Java 的 List 中删除第一个元素](https://www.ossez.com/t/java-list/13919)
diff --git a/core-java-modules/core-java-collections-list/src/test/java/com/ossez/java/list/ReverseIteratorUnitTest.java b/core-java-modules/core-java-collections-list/src/test/java/com/ossez/java/list/ReverseIteratorUnitTest.java
index cb9808ecb1..379abcb309 100644
--- a/core-java-modules/core-java-collections-list/src/test/java/com/ossez/java/list/ReverseIteratorUnitTest.java
+++ b/core-java-modules/core-java-collections-list/src/test/java/com/ossez/java/list/ReverseIteratorUnitTest.java
@@ -12,7 +12,16 @@ import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 
 import com.google.common.collect.Lists;
+import org.junit.jupiter.api.TestInstance;
 
+/**
+ * Test for list Reverse
+ *
+ * <p><a href="https://www.ossez.com/t/java-list/13943">https://www.ossez.com/t/java-list/13943</a></p>
+ *
+ * @author YuCheng
+ */
+@TestInstance(TestInstance.Lifecycle.PER_CLASS)
 public class ReverseIteratorUnitTest {
 
     private final ReverseIterator reverseIterator = new ReverseIterator();