diff --git a/src/main/java/com/tptj/demo/hg/connection/conn/DemoConnection.java b/src/main/java/com/tptj/demo/hg/connection/conn/DemoConnection.java
index 00e8536..054c225 100644
--- a/src/main/java/com/tptj/demo/hg/connection/conn/DemoConnection.java
+++ b/src/main/java/com/tptj/demo/hg/connection/conn/DemoConnection.java
@@ -5,6 +5,7 @@ import com.fanruan.api.data.open.BaseConnection;
 import com.fanruan.api.i18n.I18nKit;
 import com.fanruan.api.util.StringKit;
 import com.fr.config.holder.Conf;
+import com.fr.stable.StringUtils;
 import com.fr.stable.xml.XMLPrintWriter;
 import com.fr.stable.xml.XMLableReader;
 import com.fr.third.ibm.icu.impl.Assert;
@@ -66,4 +67,13 @@ public class DemoConnection extends BaseConnection {
         return cloned;
     }
 
+    @Override
+    public boolean equals(Object obj) {
+        return super.equals(obj) &&
+                DemoConnection.class.isInstance( obj )
+                && StringUtils.equals(
+                DemoConnection.class.cast(obj).getKey(), getKey()
+        );
+    }
+
 }