diff --git a/src/main/java/org/cleverframe/fastdfs/conn/DefaultCommandExecutor.java b/src/main/java/org/cleverframe/fastdfs/conn/DefaultCommandExecutor.java
index 5c2eb51dc55c1f45cec2ff489ffe24dcbb63656a..665fcf69456d94ba99fca11de80f67caa62d1636 100644
--- a/src/main/java/org/cleverframe/fastdfs/conn/DefaultCommandExecutor.java
+++ b/src/main/java/org/cleverframe/fastdfs/conn/DefaultCommandExecutor.java
@@ -38,27 +38,15 @@ public class DefaultCommandExecutor implements CommandExecutor {
      */
     private ConnectionPool pool;
 
+
     /**
      * 构造函数
      *
-     * @param trackerStr Tracker Server服务器IP地址,格式 host:port(多个用用“,”隔开)
-     * @param pool       连接池
+     * @param trackers Tracker Server服务器IP地址集合
+     * @param pool     连接池
      */
-    public DefaultCommandExecutor(String trackerStr, ConnectionPool pool) {
-        logger.debug("初始化Tracker Server连接 {}", trackerStr);
-        Set<String> trackerSet = new HashSet<String>();
-        String[] trackerArray = StringUtils.split(trackerStr, ",");
-        for (String tracker : trackerArray) {
-            if (StringUtils.isBlank(tracker)) {
-                continue;
-            }
-            trackerSet.add(tracker.trim());
-        }
-        if (trackerSet.size() <= 0) {
-            throw new RuntimeException("Tracker Server服务器IP地址解析失败[" + trackerStr + "]");
-        }
-        this.pool = pool;
-        trackerLocator = new TrackerLocator(trackerSet);
+    public DefaultCommandExecutor(String trackers, ConnectionPool pool) {
+        this(StringUtils.string2Set(trackers, ","), pool);
     }
 
     /**
@@ -73,6 +61,7 @@ public class DefaultCommandExecutor implements CommandExecutor {
         trackerLocator = new TrackerLocator(trackerSet);
     }
 
+
     @Override
     public <T> T execute(TrackerCommand<T> command) {
         Connection conn;
diff --git a/src/main/java/org/cleverframe/fastdfs/utils/StringUtils.java b/src/main/java/org/cleverframe/fastdfs/utils/StringUtils.java
index d771ce2c12492ea079eeee0c0d1765bd3386e71e..e967799e808582b10e30bbe176aaa0589abec5a1 100644
--- a/src/main/java/org/cleverframe/fastdfs/utils/StringUtils.java
+++ b/src/main/java/org/cleverframe/fastdfs/utils/StringUtils.java
@@ -1,7 +1,9 @@
 package org.cleverframe.fastdfs.utils;
 
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
 @SuppressWarnings("Duplicates")
 public class StringUtils {
@@ -319,4 +321,25 @@ public class StringUtils {
     public static <T extends CharSequence> T defaultIfBlank(final T str, final T defaultStr) {
         return isBlank(str) ? defaultStr : str;
     }
+
+
+    /**
+     *
+     * @param source  the string to parse may be null
+     * @param separator the separate character
+     * @return
+     */
+    public static Set<String> string2Set(String source,String separator){
+        if(isBlank(source)){
+            return null;
+        }
+        Set<String> resultSet = new HashSet<String>();
+        if (!StringUtils.isBlank(source)) {
+            String[] trackerArr=source.split(separator);
+            for (String tracker:trackerArr) {
+                resultSet.add(tracker);
+            }
+        }
+        return resultSet;
+    }
 }