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src/main/webapp/app/alarm/alarm-log/alarm-log.component.ts

@@ -233,9 +233,15 @@ export class AlarmLogComponent implements OnInit {
             "alertGroupId":this.obj.alertGroupId,
             "time_from":new Date( this.obj.time_from ).getTime(),
             "time_till":new Date( this.obj.time_till).getTime(),
-            "mediatypeids":[this.obj.mediatypeids],
-            "hostids":[this.obj.hostids]
+            "mediatypeids":[],
+            "hostids":[]
         };
+        if(this.obj.mediatypeids){
+            data.mediatypeids.push(this.obj.mediatypeids);
+        }
+        if(this.obj.hostids){
+            data.hostids.push(this.obj.hostids);
+        }
         this.alarmSer.getExportUrlAlert(data).subscribe(
             (res)=>{
                 if(res.errCode == 10000){