diff --git a/src/main/java/com/fr/plugin/dynamic/dbconnect/extension/FetchDynamicDbConnect.java b/src/main/java/com/fr/plugin/dynamic/dbconnect/extension/FetchDynamicDbConnect.java
new file mode 100644
index 0000000..ad5064f
--- /dev/null
+++ b/src/main/java/com/fr/plugin/dynamic/dbconnect/extension/FetchDynamicDbConnect.java
@@ -0,0 +1,7 @@
+ package com.fr.plugin.dynamic.dbconnect.extension; 
+   import com.fr.stable.fun.mark.Mutable; 
+   import java.util.HashMap; 
+   public interface FetchDynamicDbConnect extends Mutable { 
+   String XML_TAG = "FetchDynamicDbConnect"; 
+   String getConnectName(HashMap<String,String> params); 
+ }