diff --git a/src/main/java/com/fr/plugin/db/redis/core/RedisTableData.java b/src/main/java/com/fr/plugin/db/redis/core/RedisTableData.java
index 51a6a7a..9ad03d8 100755
--- a/src/main/java/com/fr/plugin/db/redis/core/RedisTableData.java
+++ b/src/main/java/com/fr/plugin/db/redis/core/RedisTableData.java
@@ -5,6 +5,7 @@ import com.fr.base.TableData;
 import com.fr.base.TemplateUtils;
 import com.fr.config.holder.Conf;
 import com.fr.config.holder.factory.Holders;
+import com.fr.config.holder.factory.XmlHolders;
 import com.fr.data.AbstractParameterTableData;
 import com.fr.data.core.DataCoreXmlUtils;
 import com.fr.data.impl.Connection;
@@ -32,7 +33,7 @@ import java.util.Map;
 public class RedisTableData extends AbstractParameterTableData {
 
     private Conf<Connection> database = Holders.obj(null, Connection.class);
-    private Conf<OrderValue> dbIndex = Holders.obj(new NumberOrderValue(0), OrderValue.class);
+    private Conf<OrderValue> dbIndex = XmlHolders.obj(new NumberOrderValue(0), OrderValue.class);
     private Conf<String> query = Holders.simple(StringUtils.EMPTY);
 
     public void setDatabase(Connection c) {
@@ -147,7 +148,7 @@ public class RedisTableData extends AbstractParameterTableData {
         RedisTableData cloned = (RedisTableData) super.clone();
         cloned.database = (Conf<Connection>) database.clone();
         cloned.query = (Conf<String>) query.clone();
-        cloned.dbIndex = dbIndex;
+        cloned.dbIndex = (Conf<OrderValue>) dbIndex.clone();
         return cloned;
     }
 }
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