diff --git a/src/Redis.php b/src/Redis.php
index df838b9..724a312 100644
--- a/src/Redis.php
+++ b/src/Redis.php
@@ -8,6 +8,7 @@
 use EasySwoole\Component\Pool\PoolConf;
 use EasySwoole\Component\Pool\PoolManager;
 use EasySwoole\Component\Singleton;
+use EasySwoole\MysqliPool\RedisPoolException;
 use EasySwoole\Utility\Random;
 
 class Redis
@@ -19,7 +20,10 @@ class Redis
     function register(string $name,Config $config):PoolConf
     {
         if(isset($this->list[$name])){
-            return $this->list[$name]['config'];
+            if(isset($this->list[$name])){
+                //已经注册，则抛出异常
+                throw new RedisPoolException("redis pool:{$name} is already been register");
+            }
         }
         /*
            * 绕过去实现动态class
diff --git a/src/RedisPoolException.php b/src/RedisPoolException.php
new file mode 100644
index 0000000..d40bd0e
--- /dev/null
+++ b/src/RedisPoolException.php
@@ -0,0 +1,15 @@
+<?php
+/**
+ * Created by PhpStorm.
+ * User: tioncico
+ * Date: 19-5-19
+ * Time: 下午11:08
+ */
+
+namespace EasySwoole\MysqliPool;
+
+
+class RedisPoolException extends \Exception
+{
+
+}
\ No newline at end of file