diff --git a/common/src/main/java/io/dynamic/threadpool/common/constant/Constants.java b/common/src/main/java/io/dynamic/threadpool/common/constant/Constants.java
index 6e46ac9c..e6815d9b 100644
--- a/common/src/main/java/io/dynamic/threadpool/common/constant/Constants.java
+++ b/common/src/main/java/io/dynamic/threadpool/common/constant/Constants.java
@@ -26,7 +26,7 @@ public class Constants {
 
     public static final String GENERAL_SPLIT_SYMBOL = ",";
 
-    public static final String LONGPOLLING_LINE_SEPARATOR = "\r\n";
+    public static final String LONG_POLLING_LINE_SEPARATOR = "\r\n";
 
     public static final String BASE_PATH = "/v1/cs";
 
diff --git a/common/src/main/java/io/dynamic/threadpool/common/executor/ThreadPoolManager.java b/common/src/main/java/io/dynamic/threadpool/common/executor/ThreadPoolManager.java
index e379ed38..e994c0ea 100644
--- a/common/src/main/java/io/dynamic/threadpool/common/executor/ThreadPoolManager.java
+++ b/common/src/main/java/io/dynamic/threadpool/common/executor/ThreadPoolManager.java
@@ -33,7 +33,7 @@ public class ThreadPoolManager {
     }
 
     private void init() {
-        resourcesManager = new ConcurrentHashMap<String, Map<String, Set<ExecutorService>>>(8);
+        resourcesManager = new ConcurrentHashMap(8);
     }
 
     public void register(String tenantId, String group, ExecutorService executor) {
diff --git a/common/src/main/java/io/dynamic/threadpool/common/model/PoolParameterInfo.java b/common/src/main/java/io/dynamic/threadpool/common/model/PoolParameterInfo.java
index b834dd69..8b8da771 100644
--- a/common/src/main/java/io/dynamic/threadpool/common/model/PoolParameterInfo.java
+++ b/common/src/main/java/io/dynamic/threadpool/common/model/PoolParameterInfo.java
@@ -1,6 +1,7 @@
 package io.dynamic.threadpool.common.model;
 
 import lombok.Data;
+import lombok.experimental.Accessors;
 
 import java.io.Serializable;
 
@@ -11,6 +12,7 @@ import java.io.Serializable;
  * @date 2021/6/16 23:18
  */
 @Data
+@Accessors(chain = true)
 public class PoolParameterInfo implements PoolParameter, Serializable {
 
     private static final long serialVersionUID = -7123935122108553864L;
diff --git a/common/src/main/java/io/dynamic/threadpool/common/model/PoolRunStateInfo.java b/common/src/main/java/io/dynamic/threadpool/common/model/PoolRunStateInfo.java
index 16218be2..52bfffc1 100644
--- a/common/src/main/java/io/dynamic/threadpool/common/model/PoolRunStateInfo.java
+++ b/common/src/main/java/io/dynamic/threadpool/common/model/PoolRunStateInfo.java
@@ -89,4 +89,5 @@ public class PoolRunStateInfo implements Serializable {
      * Host
      */
     private String host;
+
 }
diff --git a/common/src/main/java/io/dynamic/threadpool/common/toolkit/ContentUtil.java b/common/src/main/java/io/dynamic/threadpool/common/toolkit/ContentUtil.java
index 8fc7af44..41d5e6a4 100644
--- a/common/src/main/java/io/dynamic/threadpool/common/toolkit/ContentUtil.java
+++ b/common/src/main/java/io/dynamic/threadpool/common/toolkit/ContentUtil.java
@@ -13,34 +13,20 @@ import io.dynamic.threadpool.common.model.PoolParameterInfo;
  */
 public class ContentUtil {
 
-    /*public static String getPoolContent(PoolParameter parameter) {
-        StringBuilder stringBuilder = new StringBuilder();
-        String resultStr = stringBuilder.append(parameter.getCoreSize())
-                .append(parameter.getMaxSize())
-                .append(parameter.getQueueType())
-                .append(parameter.getCapacity())
-                .append(parameter.getKeepAliveTime())
-                .append(parameter.getIsAlarm())
-                .append(parameter.getCapacityAlarm())
-                .append(parameter.getLivenessAlarm())
-                .toString();
-        return resultStr;
-    }*/
-
     public static String getPoolContent(PoolParameter parameter) {
         PoolParameterInfo poolInfo = new PoolParameterInfo();
-        poolInfo.setTenantId(parameter.getTenantId());
-        poolInfo.setItemId(parameter.getItemId());
-        poolInfo.setTpId(parameter.getTpId());
-        poolInfo.setCoreSize(parameter.getCoreSize());
-        poolInfo.setMaxSize(parameter.getMaxSize());
-        poolInfo.setQueueType(parameter.getQueueType());
-        poolInfo.setCapacity(parameter.getCapacity());
-        poolInfo.setKeepAliveTime(parameter.getKeepAliveTime());
-        poolInfo.setIsAlarm(parameter.getIsAlarm());
-        poolInfo.setCapacityAlarm(parameter.getCapacityAlarm());
-        poolInfo.setLivenessAlarm(parameter.getLivenessAlarm());
-        poolInfo.setRejectedType(parameter.getRejectedType());
+        poolInfo.setTenantId(parameter.getTenantId())
+                .setItemId(parameter.getItemId())
+                .setTpId(parameter.getTpId())
+                .setCoreSize(parameter.getCoreSize())
+                .setMaxSize(parameter.getMaxSize())
+                .setQueueType(parameter.getQueueType())
+                .setCapacity(parameter.getCapacity())
+                .setKeepAliveTime(parameter.getKeepAliveTime())
+                .setIsAlarm(parameter.getIsAlarm())
+                .setCapacityAlarm(parameter.getCapacityAlarm())
+                .setLivenessAlarm(parameter.getLivenessAlarm())
+                .setRejectedType(parameter.getRejectedType());
         return JSON.toJSONString(poolInfo);
     }
 
diff --git a/common/src/main/java/io/dynamic/threadpool/common/toolkit/GroupKey.java b/common/src/main/java/io/dynamic/threadpool/common/toolkit/GroupKey.java
index f189541a..ef13ef36 100644
--- a/common/src/main/java/io/dynamic/threadpool/common/toolkit/GroupKey.java
+++ b/common/src/main/java/io/dynamic/threadpool/common/toolkit/GroupKey.java
@@ -9,6 +9,7 @@ import org.springframework.util.StringUtils;
  * @date 2021/6/24 21:12
  */
 public class GroupKey {
+
     public static String getKey(String dataId, String group) {
         return getKey(dataId, group, "");
     }
@@ -34,12 +35,6 @@ public class GroupKey {
         return sb.toString();
     }
 
-    /**
-     * Parse key.
-     *
-     * @param groupKey group key
-     * @return parsed key
-     */
     public static String[] parseKey(String groupKey) {
         StringBuilder sb = new StringBuilder();
         String dataId = null;
@@ -88,9 +83,6 @@ public class GroupKey {
         return new String[]{dataId, group, tenant};
     }
 
-    /**
-     * + -> %2B % -> %25.
-     */
     public static void urlEncode(String str, StringBuilder sb) {
         for (int idx = 0; idx < str.length(); ++idx) {
             char c = str.charAt(idx);
@@ -103,4 +95,5 @@ public class GroupKey {
             }
         }
     }
+
 }
diff --git a/common/src/main/java/io/dynamic/threadpool/common/web/base/Result.java b/common/src/main/java/io/dynamic/threadpool/common/web/base/Result.java
index 638d99cb..ed2f85a1 100644
--- a/common/src/main/java/io/dynamic/threadpool/common/web/base/Result.java
+++ b/common/src/main/java/io/dynamic/threadpool/common/web/base/Result.java
@@ -32,4 +32,5 @@ public class Result<T> implements Serializable {
     public boolean isFail() {
         return !isSuccess();
     }
+
 }