diff --git a/src/modules/constants/constant.ts b/src/modules/constants/constant.ts
index 5bb3778..cedc99f 100644
--- a/src/modules/constants/constant.ts
+++ b/src/modules/constants/constant.ts
@@ -561,6 +561,17 @@ export const DATA_BASE_TYPES = [
         type: 'jdbc',
         hasSchema: false,
         kerberos: false,
+    }, {
+        text: 'Doris',
+        databaseType: 'doris',
+        driver: 'com.mysql.jdbc.Driver',
+        drivers: ['com.mysql.jdbc.Driver'],
+        url: 'jdbc:mysql://hostname:port/database',
+        commonly: false,
+        internal: true,
+        type: 'jdbc',
+        hasSchema: false,
+        kerberos: false,
     }, {
         text: 'Presto',
         databaseType: 'presto',
diff --git a/src/modules/pages/maintain/forms/form.ts b/src/modules/pages/maintain/forms/form.ts
index cb3b573..5cc3b2a 100644
--- a/src/modules/pages/maintain/forms/form.ts
+++ b/src/modules/pages/maintain/forms/form.ts
@@ -139,9 +139,12 @@ export class MaintainForm extends BI.Widget {
         this.isEdit = true;
         this.connectionName = this.model.connectionSelectedOne.connectionName;
         const connection = BI.clone(this.model.connectionSelectedOne);
-        const { database, driver } = connection.connectionData as ConnectionJDBC;
-        (connection.connectionData as ConnectionJDBC).database = getJdbcDatabaseType(database, driver).databaseType;
-
+        connectionData = connection.connectionData as ConnectionJDBC;
+        const { database, driver } = connectionData;
+        connectionData.database = getJdbcDatabaseType(database, driver).databaseType;
+        if (this.model.isCopy) {
+            connectionData.identity = BI.UUID();
+        }
         return connection;
     }