diff --git a/src/modules/pages/maintain/maintain.ts b/src/modules/pages/maintain/maintain.ts
index 6f99353..4511666 100644
--- a/src/modules/pages/maintain/maintain.ts
+++ b/src/modules/pages/maintain/maintain.ts
@@ -25,7 +25,7 @@ export class Maintain extends BI.Widget {
     render() {
         const { isEdit, databaseType } = this.getEditConnection();
         const titleText = getTextByDatabaseType(databaseType);
-        
+
         return {
             type: BI.VTapeLayout.xtype,
             hgap: 16,
@@ -82,12 +82,13 @@ export class Maintain extends BI.Widget {
             this.socketTip.setVisible(true);
         }
 
-        api.setEditedConnectionStatus(this.model.connectionSelectedOne.connectionName);
+        this.model.connectionSelectedOne
+            && api.setEditedConnectionStatus(this.model.connectionSelectedOne.connectionName);
     }
 
     private renderItems() {
         const { type } = this.getEditConnection();
-        
+
         return [{
             type: MaintainForm.xtype,
             connectionType: type,
@@ -108,7 +109,7 @@ export class Maintain extends BI.Widget {
             const connectionJDBC = this.model.connectionSelectedOne.connectionData as ConnectionJDBC;
             databaseType = getJdbcDatabaseType(connectionJDBC.database, connectionJDBC.driver).databaseType;
         }
-        
+
         return {
             type: this.model.connectionSelectedOne.connectionType,
             text: this.model.connectionSelectedOne.connectionName,