diff --git a/.idea/encodings.xml b/.idea/encodings.xml
index bd5a855..d88e6a1 100644
--- a/.idea/encodings.xml
+++ b/.idea/encodings.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="Encoding">
+    <file url="file://$PROJECT_DIR$/localTools/src/main/java" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/multithreading1/src/main/java" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/multithreading1/src/main/resources" charset="UTF-8" />
     <file url="file://$PROJECT_DIR$/multithreading1/src/main/resources-filtered" charset="UTF-8" />
diff --git a/.idea/misc.xml b/.idea/misc.xml
index df00c07..2a0d8ae 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -7,6 +7,11 @@
         <option value="$PROJECT_DIR$/pom.xml" />
       </list>
     </option>
+    <option name="ignoredFiles">
+      <set>
+        <option value="$PROJECT_DIR$/multithreading1/pom.xml" />
+      </set>
+    </option>
   </component>
   <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="corretto-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
diff --git a/multithreading1/pom.xml b/localTools/pom.xml
similarity index 91%
rename from multithreading1/pom.xml
rename to localTools/pom.xml
index 443008d..947c7d7 100644
--- a/multithreading1/pom.xml
+++ b/localTools/pom.xml
@@ -7,10 +7,10 @@
         <version>1.0-SNAPSHOT</version>
     </parent>
 
-    <artifactId>multithreading1</artifactId>
+    <artifactId>localTools</artifactId>
     <packaging>jar</packaging>
 
-    <name>multithreading1</name>
+    <name>localTools</name>
     <url>http://maven.apache.org</url>
 
     <properties>
diff --git a/multithreading_init/src/main/java/thead/subtitle/StarTrekWithDiscovery.java b/localTools/src/main/java/cn/bunny/starTrek/StarTrekWithDiscovery.java
similarity index 99%
rename from multithreading_init/src/main/java/thead/subtitle/StarTrekWithDiscovery.java
rename to localTools/src/main/java/cn/bunny/starTrek/StarTrekWithDiscovery.java
index cece1b8..6199344 100644
--- a/multithreading_init/src/main/java/thead/subtitle/StarTrekWithDiscovery.java
+++ b/localTools/src/main/java/cn/bunny/starTrek/StarTrekWithDiscovery.java
@@ -1,4 +1,4 @@
-package thead.subtitle;
+package cn.bunny.starTrek;
 
 import java.io.File;
 import java.io.IOException;
diff --git a/multithreading_init/src/main/java/thead/subtitle/video/VideoDownloadVersion1.java b/localTools/src/main/java/cn/bunny/video/VideoDownloadVersion1.java
similarity index 94%
rename from multithreading_init/src/main/java/thead/subtitle/video/VideoDownloadVersion1.java
rename to localTools/src/main/java/cn/bunny/video/VideoDownloadVersion1.java
index a7e7380..5cb43ec 100644
--- a/multithreading_init/src/main/java/thead/subtitle/video/VideoDownloadVersion1.java
+++ b/localTools/src/main/java/cn/bunny/video/VideoDownloadVersion1.java
@@ -1,11 +1,11 @@
-package thead.subtitle.video;
+package cn.bunny.video;
 
+import cn.bunny.video.dao.Response;
+import cn.bunny.video.dao.VideoEntity;
+import cn.bunny.video.utils.HttpRequestUtils;
+import cn.bunny.video.utils.SystemControlUtils;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.util.StringUtils;
-import thead.subtitle.video.dao.Response;
-import thead.subtitle.video.dao.VideoEntity;
-import thead.subtitle.video.utils.HttpRequestUtils;
-import thead.subtitle.video.utils.SystemControlUtils;
 
 import java.time.Duration;
 import java.time.Instant;
diff --git a/multithreading_init/src/main/java/thead/subtitle/video/VideoDownloadVersion2.java b/localTools/src/main/java/cn/bunny/video/VideoDownloadVersion2.java
similarity index 95%
rename from multithreading_init/src/main/java/thead/subtitle/video/VideoDownloadVersion2.java
rename to localTools/src/main/java/cn/bunny/video/VideoDownloadVersion2.java
index 572e63e..eaba0eb 100644
--- a/multithreading_init/src/main/java/thead/subtitle/video/VideoDownloadVersion2.java
+++ b/localTools/src/main/java/cn/bunny/video/VideoDownloadVersion2.java
@@ -1,12 +1,12 @@
-package thead.subtitle.video;
+package cn.bunny.video;
 
+import cn.bunny.video.dao.Response;
+import cn.bunny.video.dao.VideoEntity;
+import cn.bunny.video.utils.HttpRequestUtils;
+import cn.bunny.video.utils.SystemControlUtils;
 import io.micrometer.common.util.StringUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
-import thead.subtitle.video.dao.Response;
-import thead.subtitle.video.dao.VideoEntity;
-import thead.subtitle.video.utils.HttpRequestUtils;
-import thead.subtitle.video.utils.SystemControlUtils;
 
 import java.time.Duration;
 import java.time.Instant;
diff --git a/multithreading_init/src/main/java/thead/subtitle/video/dao/Response.java b/localTools/src/main/java/cn/bunny/video/dao/Response.java
similarity index 81%
rename from multithreading_init/src/main/java/thead/subtitle/video/dao/Response.java
rename to localTools/src/main/java/cn/bunny/video/dao/Response.java
index f0722dc..9e66532 100644
--- a/multithreading_init/src/main/java/thead/subtitle/video/dao/Response.java
+++ b/localTools/src/main/java/cn/bunny/video/dao/Response.java
@@ -1,4 +1,4 @@
-package thead.subtitle.video.dao;
+package cn.bunny.video.dao;
 
 import lombok.Data;
 
diff --git a/multithreading_init/src/main/java/thead/subtitle/video/dao/ResponseData.java b/localTools/src/main/java/cn/bunny/video/dao/ResponseData.java
similarity index 87%
rename from multithreading_init/src/main/java/thead/subtitle/video/dao/ResponseData.java
rename to localTools/src/main/java/cn/bunny/video/dao/ResponseData.java
index 556ff14..2d0c800 100644
--- a/multithreading_init/src/main/java/thead/subtitle/video/dao/ResponseData.java
+++ b/localTools/src/main/java/cn/bunny/video/dao/ResponseData.java
@@ -1,4 +1,4 @@
-package thead.subtitle.video.dao;
+package cn.bunny.video.dao;
 
 import lombok.Data;
 
diff --git a/multithreading_init/src/main/java/thead/subtitle/video/dao/VideoEntity.java b/localTools/src/main/java/cn/bunny/video/dao/VideoEntity.java
similarity index 94%
rename from multithreading_init/src/main/java/thead/subtitle/video/dao/VideoEntity.java
rename to localTools/src/main/java/cn/bunny/video/dao/VideoEntity.java
index 7fe983d..9eebe4f 100644
--- a/multithreading_init/src/main/java/thead/subtitle/video/dao/VideoEntity.java
+++ b/localTools/src/main/java/cn/bunny/video/dao/VideoEntity.java
@@ -1,4 +1,4 @@
-package thead.subtitle.video.dao;
+package cn.bunny.video.dao;
 
 import lombok.Data;
 
diff --git a/multithreading_init/src/main/java/thead/subtitle/video/utils/HttpRequestUtils.java b/localTools/src/main/java/cn/bunny/video/utils/HttpRequestUtils.java
similarity index 98%
rename from multithreading_init/src/main/java/thead/subtitle/video/utils/HttpRequestUtils.java
rename to localTools/src/main/java/cn/bunny/video/utils/HttpRequestUtils.java
index 788973f..421cf2e 100644
--- a/multithreading_init/src/main/java/thead/subtitle/video/utils/HttpRequestUtils.java
+++ b/localTools/src/main/java/cn/bunny/video/utils/HttpRequestUtils.java
@@ -1,4 +1,4 @@
-package thead.subtitle.video.utils;
+package cn.bunny.video.utils;
 
 import com.alibaba.fastjson2.JSON;
 import com.alibaba.fastjson2.TypeReference;
diff --git a/multithreading_init/src/main/java/thead/subtitle/video/utils/SystemControlUtils.java b/localTools/src/main/java/cn/bunny/video/utils/SystemControlUtils.java
similarity index 98%
rename from multithreading_init/src/main/java/thead/subtitle/video/utils/SystemControlUtils.java
rename to localTools/src/main/java/cn/bunny/video/utils/SystemControlUtils.java
index 8f6a79d..3f81901 100644
--- a/multithreading_init/src/main/java/thead/subtitle/video/utils/SystemControlUtils.java
+++ b/localTools/src/main/java/cn/bunny/video/utils/SystemControlUtils.java
@@ -1,4 +1,4 @@
-package thead.subtitle.video.utils;
+package cn.bunny.video.utils;
 
 
 import lombok.extern.slf4j.Slf4j;
diff --git a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample01.java b/multithreading_init/src/main/java/atomic/AtomicExample01.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/atomic/AtomicExample01.java
rename to multithreading_init/src/main/java/atomic/AtomicExample01.java
index 263b20d..400ffc1 100644
--- a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample01.java
+++ b/multithreading_init/src/main/java/atomic/AtomicExample01.java
@@ -1,4 +1,4 @@
-package cn.bunny.atomic;
+package atomic;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.profile.StackProfiler;
diff --git a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample02.java b/multithreading_init/src/main/java/atomic/AtomicExample02.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/atomic/AtomicExample02.java
rename to multithreading_init/src/main/java/atomic/AtomicExample02.java
index 291dca8..c7cd907 100644
--- a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample02.java
+++ b/multithreading_init/src/main/java/atomic/AtomicExample02.java
@@ -1,4 +1,4 @@
-package cn.bunny.atomic;
+package atomic;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample04.java b/multithreading_init/src/main/java/atomic/AtomicExample04.java
similarity index 94%
rename from multithreading1/src/main/java/cn/bunny/atomic/AtomicExample04.java
rename to multithreading_init/src/main/java/atomic/AtomicExample04.java
index 505d696..295200e 100644
--- a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample04.java
+++ b/multithreading_init/src/main/java/atomic/AtomicExample04.java
@@ -1,4 +1,4 @@
-package cn.bunny.atomic;
+package atomic;
 
 import java.util.concurrent.CountDownLatch;
 
@@ -8,7 +8,7 @@ public class AtomicExample04 {
         // 此时为1
         latch.countDown();
         System.out.println(latch.getCount());
-        
+
         // 此时为0
         latch.countDown();
         System.out.println(latch.getCount());
diff --git a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample05.java b/multithreading_init/src/main/java/atomic/AtomicExample05.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/atomic/AtomicExample05.java
rename to multithreading_init/src/main/java/atomic/AtomicExample05.java
index fdd17cb..123833d 100644
--- a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample05.java
+++ b/multithreading_init/src/main/java/atomic/AtomicExample05.java
@@ -1,4 +1,4 @@
-package cn.bunny.atomic;
+package atomic;
 
 import java.util.concurrent.ArrayBlockingQueue;
 import java.util.concurrent.TimeUnit;
diff --git a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample06.java b/multithreading_init/src/main/java/atomic/AtomicExample06.java
similarity index 95%
rename from multithreading1/src/main/java/cn/bunny/atomic/AtomicExample06.java
rename to multithreading_init/src/main/java/atomic/AtomicExample06.java
index 872405f..c5daf1a 100644
--- a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample06.java
+++ b/multithreading_init/src/main/java/atomic/AtomicExample06.java
@@ -1,4 +1,4 @@
-package cn.bunny.atomic;
+package atomic;
 
 import java.util.concurrent.PriorityBlockingQueue;
 
diff --git a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample07.java b/multithreading_init/src/main/java/atomic/AtomicExample07.java
similarity index 95%
rename from multithreading1/src/main/java/cn/bunny/atomic/AtomicExample07.java
rename to multithreading_init/src/main/java/atomic/AtomicExample07.java
index c349ecd..33d2965 100644
--- a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample07.java
+++ b/multithreading_init/src/main/java/atomic/AtomicExample07.java
@@ -1,4 +1,4 @@
-package cn.bunny.atomic;
+package atomic;
 
 import java.util.concurrent.LinkedBlockingQueue;
 
diff --git a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample08.java b/multithreading_init/src/main/java/atomic/AtomicExample08.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/atomic/AtomicExample08.java
rename to multithreading_init/src/main/java/atomic/AtomicExample08.java
index f67b748..64574c4 100644
--- a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample08.java
+++ b/multithreading_init/src/main/java/atomic/AtomicExample08.java
@@ -1,4 +1,4 @@
-package cn.bunny.atomic;
+package atomic;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample09.java b/multithreading_init/src/main/java/atomic/AtomicExample09.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/atomic/AtomicExample09.java
rename to multithreading_init/src/main/java/atomic/AtomicExample09.java
index abf4ce3..a4442e5 100644
--- a/multithreading1/src/main/java/cn/bunny/atomic/AtomicExample09.java
+++ b/multithreading_init/src/main/java/atomic/AtomicExample09.java
@@ -1,4 +1,4 @@
-package cn.bunny.atomic;
+package atomic;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/atomic/reference/AtomicExample03.java b/multithreading_init/src/main/java/atomic/reference/AtomicExample03.java
similarity index 96%
rename from multithreading1/src/main/java/cn/bunny/atomic/reference/AtomicExample03.java
rename to multithreading_init/src/main/java/atomic/reference/AtomicExample03.java
index 52c63bf..dee11b5 100644
--- a/multithreading1/src/main/java/cn/bunny/atomic/reference/AtomicExample03.java
+++ b/multithreading_init/src/main/java/atomic/reference/AtomicExample03.java
@@ -1,4 +1,4 @@
-package cn.bunny.atomic.reference;
+package atomic.reference;
 
 import java.util.concurrent.TimeUnit;
 
diff --git a/multithreading1/src/main/java/cn/bunny/atomic/reference/DebitCard.java b/multithreading_init/src/main/java/atomic/reference/DebitCard.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/atomic/reference/DebitCard.java
rename to multithreading_init/src/main/java/atomic/reference/DebitCard.java
index 288518b..4be725d 100644
--- a/multithreading1/src/main/java/cn/bunny/atomic/reference/DebitCard.java
+++ b/multithreading_init/src/main/java/atomic/reference/DebitCard.java
@@ -1,4 +1,4 @@
-package cn.bunny.atomic.reference;
+package atomic.reference;
 
 import lombok.Getter;
 
diff --git a/multithreading_init/src/main/java/feture/feture/MyFutureTask.java b/multithreading_init/src/main/java/feture/MyFutureTask01.java
similarity index 91%
rename from multithreading_init/src/main/java/feture/feture/MyFutureTask.java
rename to multithreading_init/src/main/java/feture/MyFutureTask01.java
index b056f9a..0c3db22 100644
--- a/multithreading_init/src/main/java/feture/feture/MyFutureTask.java
+++ b/multithreading_init/src/main/java/feture/MyFutureTask01.java
@@ -1,9 +1,9 @@
-package feture.feture;
+package feture;
 
 import java.util.concurrent.Callable;
 import java.util.concurrent.FutureTask;
 
-public class MyFutureTask {
+public class MyFutureTask01 {
     public static void main(String[] args) {
         FutureTask<Integer> futureTask = new FutureTask<>(new Callable<>() {
 
diff --git a/multithreading_init/src/main/java/feture/feture_2/MyFutureTask.java b/multithreading_init/src/main/java/feture/MyFutureTask02.java
similarity index 91%
rename from multithreading_init/src/main/java/feture/feture_2/MyFutureTask.java
rename to multithreading_init/src/main/java/feture/MyFutureTask02.java
index 1d0dcb8..2c05775 100644
--- a/multithreading_init/src/main/java/feture/feture_2/MyFutureTask.java
+++ b/multithreading_init/src/main/java/feture/MyFutureTask02.java
@@ -1,9 +1,9 @@
-package feture.feture_2;
+package feture;
 
 import java.util.concurrent.Callable;
 import java.util.concurrent.FutureTask;
 
-public class MyFutureTask {
+public class MyFutureTask02 {
     public static void main(String[] args) {
         FutureTask<Integer> futureTask = new FutureTask<>(new Callable<>() {
 
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample01.java b/multithreading_init/src/main/java/jmh/JMHExample01.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample01.java
rename to multithreading_init/src/main/java/jmh/JMHExample01.java
index 59a3ad5..88e96cf 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample01.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample01.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample02.java b/multithreading_init/src/main/java/jmh/JMHExample02.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample02.java
rename to multithreading_init/src/main/java/jmh/JMHExample02.java
index 85fec97..9547acb 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample02.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample02.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample03.java b/multithreading_init/src/main/java/jmh/JMHExample03.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample03.java
rename to multithreading_init/src/main/java/jmh/JMHExample03.java
index 6a15e1d..fd156c2 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample03.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample03.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample04.java b/multithreading_init/src/main/java/jmh/JMHExample04.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample04.java
rename to multithreading_init/src/main/java/jmh/JMHExample04.java
index 9fa253b..c824057 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample04.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample04.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample05.java b/multithreading_init/src/main/java/jmh/JMHExample05.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample05.java
rename to multithreading_init/src/main/java/jmh/JMHExample05.java
index 9e59a2b..ac2ed1f 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample05.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample05.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample06.java b/multithreading_init/src/main/java/jmh/JMHExample06.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample06.java
rename to multithreading_init/src/main/java/jmh/JMHExample06.java
index 7d355d4..1ef1a39 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample06.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample06.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample07.java b/multithreading_init/src/main/java/jmh/JMHExample07.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample07.java
rename to multithreading_init/src/main/java/jmh/JMHExample07.java
index faaf046..a8ca9ee 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample07.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample07.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample08.java b/multithreading_init/src/main/java/jmh/JMHExample08.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample08.java
rename to multithreading_init/src/main/java/jmh/JMHExample08.java
index ed6e49c..e546456 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample08.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample08.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample09.java b/multithreading_init/src/main/java/jmh/JMHExample09.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample09.java
rename to multithreading_init/src/main/java/jmh/JMHExample09.java
index 6ca169c..2adf491 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample09.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample09.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample10.java b/multithreading_init/src/main/java/jmh/JMHExample10.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample10.java
rename to multithreading_init/src/main/java/jmh/JMHExample10.java
index a1e1729..fa63ef7 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample10.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample10.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.infra.Blackhole;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample11.java b/multithreading_init/src/main/java/jmh/JMHExample11.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample11.java
rename to multithreading_init/src/main/java/jmh/JMHExample11.java
index 9a9885c..eb48b49 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample11.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample11.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample12.java b/multithreading_init/src/main/java/jmh/JMHExample12.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample12.java
rename to multithreading_init/src/main/java/jmh/JMHExample12.java
index e9a8b62..b8d8e24 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample12.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample12.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample13.java b/multithreading_init/src/main/java/jmh/JMHExample13.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample13.java
rename to multithreading_init/src/main/java/jmh/JMHExample13.java
index 557dbf7..2794204 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample13.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample13.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample14.java b/multithreading_init/src/main/java/jmh/JMHExample14.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample14.java
rename to multithreading_init/src/main/java/jmh/JMHExample14.java
index 08d651d..1e1fe99 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample14.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample14.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample15.java b/multithreading_init/src/main/java/jmh/JMHExample15.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample15.java
rename to multithreading_init/src/main/java/jmh/JMHExample15.java
index a10e100..8850f84 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample15.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample15.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample16.java b/multithreading_init/src/main/java/jmh/JMHExample16.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample16.java
rename to multithreading_init/src/main/java/jmh/JMHExample16.java
index 1a5d4c4..052df52 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample16.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample16.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.runner.Runner;
diff --git a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample17.java b/multithreading_init/src/main/java/jmh/JMHExample17.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/jmh/JMHExample17.java
rename to multithreading_init/src/main/java/jmh/JMHExample17.java
index f945383..0230a0a 100644
--- a/multithreading1/src/main/java/cn/bunny/jmh/JMHExample17.java
+++ b/multithreading_init/src/main/java/jmh/JMHExample17.java
@@ -1,4 +1,4 @@
-package cn.bunny.jmh;
+package jmh;
 
 import org.openjdk.jmh.annotations.*;
 import org.openjdk.jmh.profile.StackProfiler;
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample01.java b/multithreading_init/src/main/java/stream/StreamExample01.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample01.java
rename to multithreading_init/src/main/java/stream/StreamExample01.java
index cfa5cec..6cad9db 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample01.java
+++ b/multithreading_init/src/main/java/stream/StreamExample01.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import java.io.IOException;
 import java.nio.charset.StandardCharsets;
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample02.java b/multithreading_init/src/main/java/stream/StreamExample02.java
similarity index 99%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample02.java
rename to multithreading_init/src/main/java/stream/StreamExample02.java
index 8166816..d427fa3 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample02.java
+++ b/multithreading_init/src/main/java/stream/StreamExample02.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import java.util.ArrayList;
 import java.util.Collection;
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample03.java b/multithreading_init/src/main/java/stream/StreamExample03.java
similarity index 96%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample03.java
rename to multithreading_init/src/main/java/stream/StreamExample03.java
index df9c8bf..346a623 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample03.java
+++ b/multithreading_init/src/main/java/stream/StreamExample03.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import java.util.stream.Stream;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample04.java b/multithreading_init/src/main/java/stream/StreamExample04.java
similarity index 94%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample04.java
rename to multithreading_init/src/main/java/stream/StreamExample04.java
index 6d294d4..5b80e5e 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample04.java
+++ b/multithreading_init/src/main/java/stream/StreamExample04.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import java.util.stream.Stream;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample05.java b/multithreading_init/src/main/java/stream/StreamExample05.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample05.java
rename to multithreading_init/src/main/java/stream/StreamExample05.java
index a81de2e..4f2a67d 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample05.java
+++ b/multithreading_init/src/main/java/stream/StreamExample05.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import java.util.Comparator;
 import java.util.Optional;
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample06.java b/multithreading_init/src/main/java/stream/StreamExample06.java
similarity index 95%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample06.java
rename to multithreading_init/src/main/java/stream/StreamExample06.java
index 9166f93..bbb0ea8 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample06.java
+++ b/multithreading_init/src/main/java/stream/StreamExample06.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import java.util.Arrays;
 import java.util.List;
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample07.java b/multithreading_init/src/main/java/stream/StreamExample07.java
similarity index 96%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample07.java
rename to multithreading_init/src/main/java/stream/StreamExample07.java
index ca18eea..2b20960 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample07.java
+++ b/multithreading_init/src/main/java/stream/StreamExample07.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample08.java b/multithreading_init/src/main/java/stream/StreamExample08.java
similarity index 98%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample08.java
rename to multithreading_init/src/main/java/stream/StreamExample08.java
index 0e6f772..2900c48 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample08.java
+++ b/multithreading_init/src/main/java/stream/StreamExample08.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample09.java b/multithreading_init/src/main/java/stream/StreamExample09.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample09.java
rename to multithreading_init/src/main/java/stream/StreamExample09.java
index 08464f5..130189a 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample09.java
+++ b/multithreading_init/src/main/java/stream/StreamExample09.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import java.util.Arrays;
 import java.util.List;
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample10.java b/multithreading_init/src/main/java/stream/StreamExample10.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample10.java
rename to multithreading_init/src/main/java/stream/StreamExample10.java
index 13f48b2..ef6c388 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample10.java
+++ b/multithreading_init/src/main/java/stream/StreamExample10.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample11.java b/multithreading_init/src/main/java/stream/StreamExample11.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample11.java
rename to multithreading_init/src/main/java/stream/StreamExample11.java
index 460cb91..c5e7323 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample11.java
+++ b/multithreading_init/src/main/java/stream/StreamExample11.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample12.java b/multithreading_init/src/main/java/stream/StreamExample12.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample12.java
rename to multithreading_init/src/main/java/stream/StreamExample12.java
index 5de9623..465dc70 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample12.java
+++ b/multithreading_init/src/main/java/stream/StreamExample12.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample13.java b/multithreading_init/src/main/java/stream/StreamExample13.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample13.java
rename to multithreading_init/src/main/java/stream/StreamExample13.java
index 6025985..c3ecef0 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample13.java
+++ b/multithreading_init/src/main/java/stream/StreamExample13.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample14.java b/multithreading_init/src/main/java/stream/StreamExample14.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample14.java
rename to multithreading_init/src/main/java/stream/StreamExample14.java
index d29a8f9..c1e8946 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample14.java
+++ b/multithreading_init/src/main/java/stream/StreamExample14.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample15.java b/multithreading_init/src/main/java/stream/StreamExample15.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample15.java
rename to multithreading_init/src/main/java/stream/StreamExample15.java
index a71ef13..3d0f920 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample15.java
+++ b/multithreading_init/src/main/java/stream/StreamExample15.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample16.java b/multithreading_init/src/main/java/stream/StreamExample16.java
similarity index 96%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample16.java
rename to multithreading_init/src/main/java/stream/StreamExample16.java
index 8cd162f..f9dd719 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample16.java
+++ b/multithreading_init/src/main/java/stream/StreamExample16.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample17.java b/multithreading_init/src/main/java/stream/StreamExample17.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample17.java
rename to multithreading_init/src/main/java/stream/StreamExample17.java
index 81369bb..1c18de0 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample17.java
+++ b/multithreading_init/src/main/java/stream/StreamExample17.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample18.java b/multithreading_init/src/main/java/stream/StreamExample18.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample18.java
rename to multithreading_init/src/main/java/stream/StreamExample18.java
index e9cec93..1a01bf6 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample18.java
+++ b/multithreading_init/src/main/java/stream/StreamExample18.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample19.java b/multithreading_init/src/main/java/stream/StreamExample19.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample19.java
rename to multithreading_init/src/main/java/stream/StreamExample19.java
index 75adaa4..22b0eac 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample19.java
+++ b/multithreading_init/src/main/java/stream/StreamExample19.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample20.java b/multithreading_init/src/main/java/stream/StreamExample20.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample20.java
rename to multithreading_init/src/main/java/stream/StreamExample20.java
index fd8fb65..f7d58b7 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample20.java
+++ b/multithreading_init/src/main/java/stream/StreamExample20.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 
 import lombok.Getter;
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample21.java b/multithreading_init/src/main/java/stream/StreamExample21.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample21.java
rename to multithreading_init/src/main/java/stream/StreamExample21.java
index d34f271..7aa712e 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample21.java
+++ b/multithreading_init/src/main/java/stream/StreamExample21.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample22.java b/multithreading_init/src/main/java/stream/StreamExample22.java
similarity index 97%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample22.java
rename to multithreading_init/src/main/java/stream/StreamExample22.java
index 5c61406..1b5895c 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample22.java
+++ b/multithreading_init/src/main/java/stream/StreamExample22.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 import lombok.Getter;
 
diff --git a/multithreading1/src/main/java/cn/bunny/stream/StreamExample23.java b/multithreading_init/src/main/java/stream/StreamExample23.java
similarity index 76%
rename from multithreading1/src/main/java/cn/bunny/stream/StreamExample23.java
rename to multithreading_init/src/main/java/stream/StreamExample23.java
index 21b1f55..693a53c 100644
--- a/multithreading1/src/main/java/cn/bunny/stream/StreamExample23.java
+++ b/multithreading_init/src/main/java/stream/StreamExample23.java
@@ -1,4 +1,4 @@
-package cn.bunny.stream;
+package stream;
 
 public class StreamExample23 {
     public static void main(String[] args) {
diff --git a/multithreading_init/src/main/java/tools/Box.java b/multithreading_init/src/main/java/thead/Box.java
similarity index 92%
rename from multithreading_init/src/main/java/tools/Box.java
rename to multithreading_init/src/main/java/thead/Box.java
index 6155fb3..690f8b8 100644
--- a/multithreading_init/src/main/java/tools/Box.java
+++ b/multithreading_init/src/main/java/thead/Box.java
@@ -1,4 +1,4 @@
-package tools;
+package thead;
 
 import java.util.ArrayList;
 
diff --git a/multithreading_init/src/main/java/thead/thread_9/MyThread.java b/multithreading_init/src/main/java/thead/thread_9/MyThread.java
index c304d8e..7f394fd 100644
--- a/multithreading_init/src/main/java/thead/thread_9/MyThread.java
+++ b/multithreading_init/src/main/java/thead/thread_9/MyThread.java
@@ -1,6 +1,6 @@
 package thead.thread_9;
 
-import tools.Box;
+import thead.Box;
 
 public class MyThread extends Thread {
     /**
diff --git a/multithreading_init/src/main/java/thead/thread_9/Test1.java b/multithreading_init/src/main/java/thead/thread_9/Test1.java
index 02c4c97..a34affa 100644
--- a/multithreading_init/src/main/java/thead/thread_9/Test1.java
+++ b/multithreading_init/src/main/java/thead/thread_9/Test1.java
@@ -1,6 +1,6 @@
 package thead.thread_9;
 
-import tools.Box;
+import thead.Box;
 
 public class Test1 {
     public static void main(String[] args) {
diff --git a/multithreading_init/src/main/java/thread_1/safe0/SafeCounter.java b/multithreading_init/src/main/java/thread_safe/safe0/SafeCounter.java
similarity index 96%
rename from multithreading_init/src/main/java/thread_1/safe0/SafeCounter.java
rename to multithreading_init/src/main/java/thread_safe/safe0/SafeCounter.java
index 76b2918..daeb8c3 100644
--- a/multithreading_init/src/main/java/thread_1/safe0/SafeCounter.java
+++ b/multithreading_init/src/main/java/thread_safe/safe0/SafeCounter.java
@@ -1,4 +1,4 @@
-package thread_1.safe0;
+package thread_safe.safe0;
 
 import lombok.Getter;
 
diff --git a/multithreading_init/src/main/java/thread_1/safe0/UnsafeCounter.java b/multithreading_init/src/main/java/thread_safe/safe0/UnsafeCounter.java
similarity index 96%
rename from multithreading_init/src/main/java/thread_1/safe0/UnsafeCounter.java
rename to multithreading_init/src/main/java/thread_safe/safe0/UnsafeCounter.java
index db356be..3fa36f0 100644
--- a/multithreading_init/src/main/java/thread_1/safe0/UnsafeCounter.java
+++ b/multithreading_init/src/main/java/thread_safe/safe0/UnsafeCounter.java
@@ -1,4 +1,4 @@
-package thread_1.safe0;
+package thread_safe.safe0;
 
 import lombok.Getter;
 
diff --git a/multithreading_init/src/main/java/thread_1/safe1/SafeCounter.java b/multithreading_init/src/main/java/thread_safe/safe1/SafeCounter.java
similarity index 97%
rename from multithreading_init/src/main/java/thread_1/safe1/SafeCounter.java
rename to multithreading_init/src/main/java/thread_safe/safe1/SafeCounter.java
index 755834d..30b44bf 100644
--- a/multithreading_init/src/main/java/thread_1/safe1/SafeCounter.java
+++ b/multithreading_init/src/main/java/thread_safe/safe1/SafeCounter.java
@@ -1,4 +1,4 @@
-package thread_1.safe1;
+package thread_safe.safe1;
 
 import lombok.Getter;
 
diff --git a/multithreading_init/src/main/java/thread_1/safe2/AtomicSafe.java b/multithreading_init/src/main/java/thread_safe/safe2/AtomicSafe.java
similarity index 95%
rename from multithreading_init/src/main/java/thread_1/safe2/AtomicSafe.java
rename to multithreading_init/src/main/java/thread_safe/safe2/AtomicSafe.java
index 92fd31a..6b4d2af 100644
--- a/multithreading_init/src/main/java/thread_1/safe2/AtomicSafe.java
+++ b/multithreading_init/src/main/java/thread_safe/safe2/AtomicSafe.java
@@ -1,4 +1,4 @@
-package thread_1.safe2;
+package thread_safe.safe2;
 
 import java.util.concurrent.atomic.AtomicInteger;
 
@@ -21,7 +21,7 @@ public class AtomicSafe {
         for (Thread t : threads) {
             t.join();
         }
-        
+
         System.out.println(count.get());
     }
 }
diff --git a/multithreading_init/src/main/java/thread_1/safe3/Run.java b/multithreading_init/src/main/java/thread_safe/safe3/Run.java
similarity index 98%
rename from multithreading_init/src/main/java/thread_1/safe3/Run.java
rename to multithreading_init/src/main/java/thread_safe/safe3/Run.java
index 8ffb4c3..cd13f61 100644
--- a/multithreading_init/src/main/java/thread_1/safe3/Run.java
+++ b/multithreading_init/src/main/java/thread_safe/safe3/Run.java
@@ -1,4 +1,4 @@
-package thread_1.safe3;
+package thread_safe.safe3;
 
 public class Run {
     public static void main(String[] args) {
diff --git a/multithreading_init/src/main/java/thread_1/safe4/SynchronizedMethodLocakObject.java b/multithreading_init/src/main/java/thread_safe/safe4/SynchronizedMethodLocakObject.java
similarity index 98%
rename from multithreading_init/src/main/java/thread_1/safe4/SynchronizedMethodLocakObject.java
rename to multithreading_init/src/main/java/thread_safe/safe4/SynchronizedMethodLocakObject.java
index b1d8b87..d3ae7d9 100644
--- a/multithreading_init/src/main/java/thread_1/safe4/SynchronizedMethodLocakObject.java
+++ b/multithreading_init/src/main/java/thread_safe/safe4/SynchronizedMethodLocakObject.java
@@ -1,4 +1,4 @@
-package thread_1.safe4;
+package thread_safe.safe4;
 
 public class SynchronizedMethodLocakObject {
 
diff --git a/multithreading_init/src/main/java/thread_1/safe4/SynchronizedMethodLocakObject2.java b/multithreading_init/src/main/java/thread_safe/safe4/SynchronizedMethodLocakObject2.java
similarity index 98%
rename from multithreading_init/src/main/java/thread_1/safe4/SynchronizedMethodLocakObject2.java
rename to multithreading_init/src/main/java/thread_safe/safe4/SynchronizedMethodLocakObject2.java
index a2b4748..89b3ac3 100644
--- a/multithreading_init/src/main/java/thread_1/safe4/SynchronizedMethodLocakObject2.java
+++ b/multithreading_init/src/main/java/thread_safe/safe4/SynchronizedMethodLocakObject2.java
@@ -1,4 +1,4 @@
-package thread_1.safe4;
+package thread_safe.safe4;
 
 public class SynchronizedMethodLocakObject2 {
 
diff --git a/multithreading_init/src/main/java/thread_1/safe5/DirtyReadExample.java b/multithreading_init/src/main/java/thread_safe/safe5/DirtyReadExample.java
similarity index 98%
rename from multithreading_init/src/main/java/thread_1/safe5/DirtyReadExample.java
rename to multithreading_init/src/main/java/thread_safe/safe5/DirtyReadExample.java
index 1cbdaa7..18c7889 100644
--- a/multithreading_init/src/main/java/thread_1/safe5/DirtyReadExample.java
+++ b/multithreading_init/src/main/java/thread_safe/safe5/DirtyReadExample.java
@@ -1,4 +1,4 @@
-package thread_1.safe5;
+package thread_safe.safe5;
 
 // 在多线程编程中，synchronized 关键字可以确保一个线程在执行某个方法时，其他线程无法同时访问被同步的方法，从而避免多个线程同时修改共享数据的问题。
 // 脏读（Dirty Read）指的是一个线程读取到另一个线程还未提交的修改数据，这种数据在另一个线程最终提交或者回滚后可能会发生变化，因此是不可靠的。
diff --git a/multithreading_init/src/main/java/thread_1/safe6/SynchronizedReentrantExample.java b/multithreading_init/src/main/java/thread_safe/safe6/SynchronizedReentrantExample.java
similarity index 98%
rename from multithreading_init/src/main/java/thread_1/safe6/SynchronizedReentrantExample.java
rename to multithreading_init/src/main/java/thread_safe/safe6/SynchronizedReentrantExample.java
index 8be15df..f126380 100644
--- a/multithreading_init/src/main/java/thread_1/safe6/SynchronizedReentrantExample.java
+++ b/multithreading_init/src/main/java/thread_safe/safe6/SynchronizedReentrantExample.java
@@ -1,4 +1,4 @@
-package thread_1.safe6;
+package thread_safe.safe6;
 
 /**
  * sychronized 锁重入指的是一个线程在获得一个锁之后，可以再次进入该锁（即再次获取锁）而不会发生死锁。
diff --git a/multithreading_init/src/main/java/thread_1/safe7/Counter.java b/multithreading_init/src/main/java/thread_safe/safe7/Counter.java
similarity index 93%
rename from multithreading_init/src/main/java/thread_1/safe7/Counter.java
rename to multithreading_init/src/main/java/thread_safe/safe7/Counter.java
index f1f154e..f240649 100644
--- a/multithreading_init/src/main/java/thread_1/safe7/Counter.java
+++ b/multithreading_init/src/main/java/thread_safe/safe7/Counter.java
@@ -1,4 +1,4 @@
-package thread_1.safe7;
+package thread_safe.safe7;
 
 import lombok.Getter;
 
diff --git a/multithreading_init/src/main/java/thread_1/safe8/Counter.java b/multithreading_init/src/main/java/thread_safe/safe8/Counter.java
similarity index 96%
rename from multithreading_init/src/main/java/thread_1/safe8/Counter.java
rename to multithreading_init/src/main/java/thread_safe/safe8/Counter.java
index f536937..787ffce 100644
--- a/multithreading_init/src/main/java/thread_1/safe8/Counter.java
+++ b/multithreading_init/src/main/java/thread_safe/safe8/Counter.java
@@ -1,4 +1,4 @@
-package thread_1.safe8;
+package thread_safe.safe8;
 
 import lombok.Getter;
 
diff --git a/multithreading_init/src/main/java/thread_1/safe9/AtomicIntegerTest.java b/multithreading_init/src/main/java/thread_safe/safe9/AtomicIntegerTest.java
similarity index 98%
rename from multithreading_init/src/main/java/thread_1/safe9/AtomicIntegerTest.java
rename to multithreading_init/src/main/java/thread_safe/safe9/AtomicIntegerTest.java
index d5beaf2..4ba45d9 100644
--- a/multithreading_init/src/main/java/thread_1/safe9/AtomicIntegerTest.java
+++ b/multithreading_init/src/main/java/thread_safe/safe9/AtomicIntegerTest.java
@@ -1,4 +1,4 @@
-package thread_1.safe9;
+package thread_safe.safe9;
 
 import java.util.concurrent.ConcurrentSkipListMap;
 import java.util.concurrent.ConcurrentSkipListSet;
diff --git a/pom.xml b/pom.xml
index 64c7eaf..922a7ed 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,6 +22,7 @@
     <modules>
         <module>multithreading1</module>
         <module>multithreading_init</module>
+        <module>localTools</module>
     </modules>
     <scm>
         <connection/>