diff --git a/src/main/java/com/fr/plugin/dynamic/dbconnect/extension/AbstractFetchDynamicDbConnect.java b/src/main/java/com/fr/plugin/dynamic/dbconnect/extension/AbstractFetchDynamicDbConnect.java
new file mode 100644
index 0000000..4aa33b0
--- /dev/null
+++ b/src/main/java/com/fr/plugin/dynamic/dbconnect/extension/AbstractFetchDynamicDbConnect.java
@@ -0,0 +1,43 @@
+package com.fr.plugin.dynamic.dbconnect.extension;
+
+import com.fr.log.FineLoggerFactory;
+import com.fr.plugin.dynamic.dbconnect.bean.DynamicDbConnectBean;
+import com.fr.plugin.dynamic.dbconnect.conf.DynamicDbConnectConfig;
+import com.fr.stable.fun.mark.API;
+
+import java.util.HashMap;
+@API(
+        level = 1
+)
+public class AbstractFetchDynamicDbConnect implements FetchDynamicDbConnect{
+
+    public String mark4Provider() {
+        return this.getClass().getName();
+    }
+
+    public int currentAPILevel() {
+        return 1;
+    }
+
+    @Override
+    public String getConnectName(HashMap<String, String> params) {
+        String role = params.get("role");;
+        String viewlet = params.get("viewlet");
+        String fineUserName = params.get("fine_username").toString();
+        String fineRole = params.get("fine_role").toString();
+        FineLoggerFactory.getLogger().info("DynamicDbConnectDSModifyProvider fineUserName="+fineUserName+",fineRole="+fineRole+",viewlet="+viewlet+",role="+role);
+        String oldConfig = DynamicDbConnectConfig.getInstance().oldConfig;
+        String newConfig = DynamicDbConnectConfig.getInstance().getConnectConfig();
+        if(oldConfig.equals(newConfig) == false){
+            DynamicDbConnectConfig.getInstance().parseConfig();
+            DynamicDbConnectConfig.getInstance().oldConfig = newConfig;
+        }
+
+        DynamicDbConnectBean connectBean = DynamicDbConnectConfig.getInstance().getDbConnectBean(viewlet,role);
+        if(connectBean != null){
+            return connectBean.getConnectName();
+        }
+
+        return null;
+    }
+}