无JIRA任务，解决冲突

src/modules/pages/maintain/maintain.ts

@@ -82,7 +82,8 @@ 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() {