diff --git a/version3/src/main/java/part1/Client/serviceCenter/balance/impl/ConsistencyHashBalance.java b/version3/src/main/java/part1/Client/serviceCenter/balance/impl/ConsistencyHashBalance.java
index f1f315b..43b56af 100644
--- a/version3/src/main/java/part1/Client/serviceCenter/balance/impl/ConsistencyHashBalance.java
+++ b/version3/src/main/java/part1/Client/serviceCenter/balance/impl/ConsistencyHashBalance.java
@@ -15,15 +15,15 @@ public class ConsistencyHashBalance implements LoadBalance {
     private static final int VIRTUAL_NUM = 5;
 
     // 虚拟节点分配，key是hash值，value是虚拟节点服务器名称
-    private static SortedMap<Integer, String> shards = new TreeMap<Integer, String>();
+    private SortedMap<Integer, String> shards = new TreeMap<Integer, String>();
 
     // 真实节点列表
-    private static List<String> realNodes = new LinkedList<String>();
+    private List<String> realNodes = new LinkedList<String>();
 
     //模拟初始服务器
-    private static String[] servers =null;
+    private String[] servers =null;
 
-    private static void init(List<String> serviceList) {
+    private  void init(List<String> serviceList) {
         for (String server :serviceList) {
             realNodes.add(server);
             System.out.println("真实节点[" + server + "] 被添加");
@@ -41,7 +41,7 @@ public class ConsistencyHashBalance implements LoadBalance {
      * @param node
      * @return
      */
-    public static String getServer(String node,List<String> serviceList) {
+    public  String getServer(String node,List<String> serviceList) {
         init(serviceList);
         int hash = getHash(node);
         Integer key = null;
diff --git a/version3/src/main/java/part2/Client/serviceCenter/balance/impl/ConsistencyHashBalance.java b/version3/src/main/java/part2/Client/serviceCenter/balance/impl/ConsistencyHashBalance.java
index a67ecc9..372c79e 100644
--- a/version3/src/main/java/part2/Client/serviceCenter/balance/impl/ConsistencyHashBalance.java
+++ b/version3/src/main/java/part2/Client/serviceCenter/balance/impl/ConsistencyHashBalance.java
@@ -15,15 +15,15 @@ public class ConsistencyHashBalance implements LoadBalance {
     private static final int VIRTUAL_NUM = 5;
 
     // 虚拟节点分配，key是hash值，value是虚拟节点服务器名称
-    private static SortedMap<Integer, String> shards = new TreeMap<Integer, String>();
+    private  SortedMap<Integer, String> shards = new TreeMap<Integer, String>();
 
     // 真实节点列表
-    private static List<String> realNodes = new LinkedList<String>();
+    private  List<String> realNodes = new LinkedList<String>();
 
     //模拟初始服务器
-    private static String[] servers =null;
+    private  String[] servers =null;
 
-    private static void init(List<String> serviceList) {
+    private  void init(List<String> serviceList) {
         for (String server :serviceList) {
             realNodes.add(server);
             System.out.println("真实节点[" + server + "] 被添加");
@@ -41,7 +41,7 @@ public class ConsistencyHashBalance implements LoadBalance {
      * @param node
      * @return
      */
-    public static String getServer(String node,List<String> serviceList) {
+    public  String getServer(String node,List<String> serviceList) {
         init(serviceList);
         int hash = getHash(node);
         Integer key = null;
diff --git a/version4/src/main/java/part1/Client/serviceCenter/balance/impl/ConsistencyHashBalance.java b/version4/src/main/java/part1/Client/serviceCenter/balance/impl/ConsistencyHashBalance.java
index f1f315b..30c4b29 100644
--- a/version4/src/main/java/part1/Client/serviceCenter/balance/impl/ConsistencyHashBalance.java
+++ b/version4/src/main/java/part1/Client/serviceCenter/balance/impl/ConsistencyHashBalance.java
@@ -15,15 +15,15 @@ public class ConsistencyHashBalance implements LoadBalance {
     private static final int VIRTUAL_NUM = 5;
 
     // 虚拟节点分配，key是hash值，value是虚拟节点服务器名称
-    private static SortedMap<Integer, String> shards = new TreeMap<Integer, String>();
+    private SortedMap<Integer, String> shards = new TreeMap<Integer, String>();
 
     // 真实节点列表
-    private static List<String> realNodes = new LinkedList<String>();
+    private  List<String> realNodes = new LinkedList<String>();
 
     //模拟初始服务器
-    private static String[] servers =null;
+    private  String[] servers =null;
 
-    private static void init(List<String> serviceList) {
+    private void init(List<String> serviceList) {
         for (String server :serviceList) {
             realNodes.add(server);
             System.out.println("真实节点[" + server + "] 被添加");
@@ -41,7 +41,7 @@ public class ConsistencyHashBalance implements LoadBalance {
      * @param node
      * @return
      */
-    public static String getServer(String node,List<String> serviceList) {
+    public  String getServer(String node,List<String> serviceList) {
         init(serviceList);
         int hash = getHash(node);
         Integer key = null;
@@ -60,7 +60,7 @@ public class ConsistencyHashBalance implements LoadBalance {
      *
      * @param node
      */
-    public  void addNode(String node) {
+    public void addNode(String node) {
         if (!realNodes.contains(node)) {
             realNodes.add(node);
             System.out.println("真实节点[" + node + "] 上线添加");