diff --git a/notify-core/src/main/java/com/cicdi/notify/AbstractNotifierManager.java b/notify-core/src/main/java/com/cicdi/notify/AbstractNotifierManager.java
index 19c1945..5abd3a6 100644
--- a/notify-core/src/main/java/com/cicdi/notify/AbstractNotifierManager.java
+++ b/notify-core/src/main/java/com/cicdi/notify/AbstractNotifierManager.java
@@ -13,11 +13,11 @@ import java.util.concurrent.ConcurrentHashMap;
  */
 public abstract class AbstractNotifierManager implements NotifierManager {
 
-    private final Map<String, Map<String, NotifierProvider>> providers = new ConcurrentHashMap<>();
+    protected final Map<String, Map<String, NotifierProvider>> providers = new ConcurrentHashMap<>();
 
-    private final Map<String, Notifier> notifiers = new ConcurrentHashMap<>();
+    protected final Map<String, Notifier> notifiers = new ConcurrentHashMap<>();
 
-    private final NotifyConfigManager configManager;
+    protected final NotifyConfigManager configManager;
 
 //    private EventBus eventBus;
 
@@ -47,12 +47,12 @@ public abstract class AbstractNotifierManager implements NotifierManager {
         if (null == provider) {
             throw new UnsupportedOperationException("不支持的服务商: " + properties.getProvider());
         }
-        Notifier notifier1 = provider.createNotifier(properties);
-        Notifier notifier2 = notifiers.put(properties.getId(), notifier1);
-        if (null != notifier2) {
-            notifier2.close();
+        Notifier notifierNew = provider.createNotifier(properties);
+        Notifier notifierOld = notifiers.put(properties.getId(), notifierNew);
+        if (null != notifierOld) {
+            notifierOld.close();
         }
-        return notifier1;
+        return notifierNew;
     }
 
     @Override