diff --git a/arthas-vmtool/src/main/java/arthas/Vmtool.java b/arthas-vmtool/src/main/java/arthas/VmTool.java
similarity index 92%
rename from arthas-vmtool/src/main/java/arthas/Vmtool.java
rename to arthas-vmtool/src/main/java/arthas/VmTool.java
index ad72fa649..ad15d1271 100644
--- a/arthas-vmtool/src/main/java/arthas/Vmtool.java
+++ b/arthas-vmtool/src/main/java/arthas/VmTool.java
@@ -9,7 +9,7 @@ import com.taobao.arthas.common.OSUtils;
  * @author hengyunabc 2021-04-26
  * @since 3.5.1
  */
-public class Vmtool implements VMtoolMXBean {
+public class VmTool implements VmToolMXBean {
 
     /**
      * 不要修改jni-lib的名称
@@ -34,16 +34,16 @@ public class Vmtool implements VMtoolMXBean {
         }
     }
 
-    private static Vmtool instance;
+    private static VmTool instance;
 
-    private Vmtool() {
+    private VmTool() {
     }
 
-    public static Vmtool getInstance() {
+    public static VmTool getInstance() {
         return getInstance(null);
     }
 
-    public static synchronized Vmtool getInstance(String libPath) {
+    public static synchronized VmTool getInstance(String libPath) {
         if (instance != null) {
             return instance;
         }
@@ -54,7 +54,7 @@ public class Vmtool implements VMtoolMXBean {
             System.load(libPath);
         }
 
-        instance = new Vmtool();
+        instance = new VmTool();
         return instance;
     }
 
diff --git a/arthas-vmtool/src/main/java/arthas/VMtoolMXBean.java b/arthas-vmtool/src/main/java/arthas/VmToolMXBean.java
similarity index 83%
rename from arthas-vmtool/src/main/java/arthas/VMtoolMXBean.java
rename to arthas-vmtool/src/main/java/arthas/VmToolMXBean.java
index 537a081a0..e70a17e7a 100644
--- a/arthas-vmtool/src/main/java/arthas/VMtoolMXBean.java
+++ b/arthas-vmtool/src/main/java/arthas/VmToolMXBean.java
@@ -3,19 +3,19 @@ package arthas;
 import java.util.ArrayList;
 
 /**
- * VMtool interface for JMX server. How to register VMtool MBean:
+ * VmTool interface for JMX server. How to register VmTool MBean:
  *
  * <pre>
  * {@code
  *     ManagementFactory.getPlatformMBeanServer().registerMBean(
- *             VMtool.getInstance(),
- *             new ObjectName("arthas:type=VMtool")
+ *             VmTool.getInstance(),
+ *             new ObjectName("arthas:type=VmTool")
  *     );
  * }
  * </pre>
  * @author hengyunabc 2021-04-26
  */
-public interface VMtoolMXBean {
+public interface VmToolMXBean {
     /**
      * 检测jni-lib是否正常，如果正常，应该输出OK
      */
diff --git a/arthas-vmtool/src/main/native/include/arthas_Vmtool.h b/arthas-vmtool/src/main/native/include/arthas_VmTool.h
similarity index 55%
rename from arthas-vmtool/src/main/native/include/arthas_Vmtool.h
rename to arthas-vmtool/src/main/native/include/arthas_VmTool.h
index 2d03330c5..87098bfac 100644
--- a/arthas-vmtool/src/main/native/include/arthas_Vmtool.h
+++ b/arthas-vmtool/src/main/native/include/arthas_VmTool.h
@@ -1,58 +1,58 @@
 /* DO NOT EDIT THIS FILE - it is machine generated */
 #include <jni.h>
-/* Header for class arthas_Vmtool */
+/* Header for class arthas_VmTool */
 
-#ifndef _Included_arthas_Vmtool
-#define _Included_arthas_Vmtool
+#ifndef _Included_arthas_VmTool
+#define _Included_arthas_VmTool
 #ifdef __cplusplus
 extern "C" {
 #endif
 /*
- * Class:     arthas_Vmtool
+ * Class:     arthas_VmTool
  * Method:    check
  * Signature: ()Ljava/lang/String;
  */
-JNIEXPORT jstring JNICALL Java_arthas_Vmtool_check0
+JNIEXPORT jstring JNICALL Java_arthas_VmTool_check0
   (JNIEnv *, jclass);
 
 /*
- * Class:     arthas_Vmtool
+ * Class:     arthas_VmTool
  * Method:    getInstances
  * Signature: (Ljava/lang/Class;)Ljava/util/ArrayList;
  */
-JNIEXPORT jobject JNICALL Java_arthas_Vmtool_getInstances
+JNIEXPORT jobject JNICALL Java_arthas_VmTool_getInstances
   (JNIEnv *, jclass, jclass);
 
 /*
- * Class:     arthas_Vmtool
+ * Class:     arthas_VmTool
  * Method:    sumInstanceSize
  * Signature: (Ljava/lang/Class;)J
  */
-JNIEXPORT jlong JNICALL Java_arthas_Vmtool_sumInstanceSize
+JNIEXPORT jlong JNICALL Java_arthas_VmTool_sumInstanceSize
   (JNIEnv *, jclass, jclass);
 
 /*
- * Class:     arthas_Vmtool
+ * Class:     arthas_VmTool
  * Method:    getInstanceSize
  * Signature: (Ljava/lang/Object;)J
  */
-JNIEXPORT jlong JNICALL Java_arthas_Vmtool_getInstanceSize
+JNIEXPORT jlong JNICALL Java_arthas_VmTool_getInstanceSize
   (JNIEnv *, jclass, jobject);
 
 /*
- * Class:     arthas_Vmtool
+ * Class:     arthas_VmTool
  * Method:    countInstances
  * Signature: (Ljava/lang/Class;)J
  */
-JNIEXPORT jlong JNICALL Java_arthas_Vmtool_countInstances
+JNIEXPORT jlong JNICALL Java_arthas_VmTool_countInstances
   (JNIEnv *, jclass, jclass);
 
 /*
- * Class:     arthas_Vmtool
+ * Class:     arthas_VmTool
  * Method:    getAllLoadedClasses
  * Signature: ()Ljava/util/ArrayList;
  */
-JNIEXPORT jobject JNICALL Java_arthas_Vmtool_getAllLoadedClasses
+JNIEXPORT jobject JNICALL Java_arthas_VmTool_getAllLoadedClasses
   (JNIEnv *, jclass);
 
 #ifdef __cplusplus
diff --git a/arthas-vmtool/src/main/native/src/jni-library.cpp b/arthas-vmtool/src/main/native/src/jni-library.cpp
index adeccfb31..776124cdf 100644
--- a/arthas-vmtool/src/main/native/src/jni-library.cpp
+++ b/arthas-vmtool/src/main/native/src/jni-library.cpp
@@ -2,11 +2,11 @@
 #include <jni.h>
 #include <jni_md.h>
 #include <jvmti.h>
-#include "arthas_Vmtool.h"
+#include "arthas_VmTool.h"
 
 extern "C"
 JNIEXPORT jstring JNICALL
-Java_arthas_Vmtool_check0(JNIEnv *env, jclass thisClass) {
+Java_arthas_VmTool_check0(JNIEnv *env, jclass thisClass) {
     return env->NewStringUTF("OK");
 }
 
@@ -47,7 +47,7 @@ HeapObjectCallback(jlong class_tag, jlong size, jlong *tag_ptr, void *user_data)
 
 extern "C"
 JNIEXPORT jobject JNICALL
-Java_arthas_Vmtool_getInstances0(JNIEnv *env, jclass thisClass, jclass klass) {
+Java_arthas_VmTool_getInstances0(JNIEnv *env, jclass thisClass, jclass klass) {
 
     jvmtiEnv *jvmti = getJvmtiEnv(env);
 
@@ -88,7 +88,7 @@ Java_arthas_Vmtool_getInstances0(JNIEnv *env, jclass thisClass, jclass klass) {
 
 extern "C"
 JNIEXPORT jlong JNICALL
-Java_arthas_Vmtool_sumInstanceSize0(JNIEnv *env, jclass thisClass, jclass klass) {
+Java_arthas_VmTool_sumInstanceSize0(JNIEnv *env, jclass thisClass, jclass klass) {
 
     jvmtiEnv *jvmti = getJvmtiEnv(env);
 
@@ -126,7 +126,7 @@ Java_arthas_Vmtool_sumInstanceSize0(JNIEnv *env, jclass thisClass, jclass klass)
 }
 
 extern "C"
-JNIEXPORT jlong JNICALL Java_arthas_Vmtool_getInstanceSize0
+JNIEXPORT jlong JNICALL Java_arthas_VmTool_getInstanceSize0
         (JNIEnv *env, jclass thisClass, jobject instance) {
 
     jvmtiEnv *jvmti = getJvmtiEnv(env);
@@ -142,7 +142,7 @@ JNIEXPORT jlong JNICALL Java_arthas_Vmtool_getInstanceSize0
 
 extern "C"
 JNIEXPORT jlong JNICALL
-Java_arthas_Vmtool_countInstances0(JNIEnv *env, jclass thisClass, jclass klass) {
+Java_arthas_VmTool_countInstances0(JNIEnv *env, jclass thisClass, jclass klass) {
 
     jvmtiEnv *jvmti = getJvmtiEnv(env);
 
@@ -172,7 +172,7 @@ Java_arthas_Vmtool_countInstances0(JNIEnv *env, jclass thisClass, jclass klass)
 }
 
 extern "C"
-JNIEXPORT jobject JNICALL Java_arthas_Vmtool_getAllLoadedClasses0
+JNIEXPORT jobject JNICALL Java_arthas_VmTool_getAllLoadedClasses0
         (JNIEnv *env, jclass thisClass) {
 
     jvmtiEnv *jvmti = getJvmtiEnv(env);
diff --git a/arthas-vmtool/src/test/java/arthas/VmtoolTest.java b/arthas-vmtool/src/test/java/arthas/VmToolTest.java
similarity index 64%
rename from arthas-vmtool/src/test/java/arthas/VmtoolTest.java
rename to arthas-vmtool/src/test/java/arthas/VmToolTest.java
index 5a2b63553..223a853b5 100644
--- a/arthas-vmtool/src/test/java/arthas/VmtoolTest.java
+++ b/arthas-vmtool/src/test/java/arthas/VmToolTest.java
@@ -2,19 +2,17 @@ package arthas;
 
 import org.junit.Test;
 
-import arthas.Vmtool;
-
 import java.io.File;
 import java.lang.ref.WeakReference;
 import java.util.ArrayList;
 
-public class VmtoolTest {
+public class VmToolTest {
 
     /**
-     * 在我的macbook上运行结果如下
+     * macbook上运行结果如下
      * allLoadedClasses->1050
-     * arthas.JvmUtils@5bb21b69 arthas.JvmUtils@6b9651f3
-     * before instances->[arthas.JvmUtils@5bb21b69, arthas.JvmUtils@6b9651f3]
+     * arthas.VmTool@5bb21b69 arthas.VmTool@6b9651f3
+     * before instances->[arthas.VmTool@5bb21b69, arthas.VmTool@6b9651f3]
      * size->16
      * count->2
      * sum size->32
@@ -24,31 +22,31 @@ public class VmtoolTest {
     @Test
     public void test01() {
         try {
-            String path = Vmtool.class.getProtectionDomain().getCodeSource().getLocation().getPath();
+            String path = VmTool.class.getProtectionDomain().getCodeSource().getLocation().getPath();
             System.err.println(path);
 
-            String libPath = new File(path, Vmtool.detectLibName()).getAbsolutePath();
-            Vmtool vmtool = Vmtool.getInstance(libPath);
+            String libPath = new File(path, VmTool.detectLibName()).getAbsolutePath();
+            VmTool vmtool = VmTool.getInstance(libPath);
 
             //调用native方法，获取已加载的类，不包括小类型(如int)
             ArrayList<Class<?>> allLoadedClasses = vmtool.getAllLoadedClasses();
             System.out.println("allLoadedClasses->" + allLoadedClasses.size());
 
             //通过下面的例子，可以看到getInstances(Class<T> klass)拿到的是当前存活的所有对象
-            WeakReference<VmtoolTest> weakReference1 = new WeakReference<VmtoolTest>(new VmtoolTest());
-            WeakReference<VmtoolTest> weakReference2 = new WeakReference<VmtoolTest>(new VmtoolTest());
+            WeakReference<VmToolTest> weakReference1 = new WeakReference<VmToolTest>(new VmToolTest());
+            WeakReference<VmToolTest> weakReference2 = new WeakReference<VmToolTest>(new VmToolTest());
             System.out.println(weakReference1.get() + " " + weakReference2.get());
-            ArrayList<Vmtool> beforeInstances = vmtool.getInstances(Vmtool.class);
+            ArrayList<VmTool> beforeInstances = vmtool.getInstances(VmTool.class);
             System.out.println("before instances->" + beforeInstances);
             System.out.println("size->" + vmtool.getInstanceSize(weakReference1.get()));
-            System.out.println("count->" + vmtool.countInstances(Vmtool.class));
-            System.out.println("sum size->" + vmtool.sumInstanceSize(Vmtool.class));
+            System.out.println("count->" + vmtool.countInstances(VmTool.class));
+            System.out.println("sum size->" + vmtool.sumInstanceSize(VmTool.class));
             beforeInstances = null;
 
             System.gc();
             Thread.sleep(100);
             System.out.println(weakReference1.get() + " " + weakReference2.get());
-            ArrayList<Vmtool> afterInstances = vmtool.getInstances(Vmtool.class);
+            ArrayList<VmTool> afterInstances = vmtool.getInstances(VmTool.class);
             System.out.println("after instances->" + afterInstances);
         } catch (Exception e) {
             e.printStackTrace();