diff --git a/ui-ngx/src/app/modules/home/pages/notification-center/request-table/request-notification-dialog.component.html b/ui-ngx/src/app/modules/home/pages/notification-center/request-table/request-notification-dialog.component.html
index cb3d14018f..48de10d5d1 100644
--- a/ui-ngx/src/app/modules/home/pages/notification-center/request-table/request-notification-dialog.component.html
+++ b/ui-ngx/src/app/modules/home/pages/notification-center/request-table/request-notification-dialog.component.html
@@ -63,7 +63,7 @@
               <mat-label translate>notification.time</mat-label>
               <mat-datetimepicker-toggle [for]="startTimePicker" matPrefix></mat-datetimepicker-toggle>
               <mat-datetimepicker #startTimePicker type="datetime" openOnFocus="true"></mat-datetimepicker>
-              <input required matInput fxFlex formControlName="time" [min]="minDate()" [matDatetimepicker]="startTimePicker">
+              <input required matInput fxFlex formControlName="time" [min]="minDate()" [max]="maxDate()" [matDatetimepicker]="startTimePicker">
             </mat-form-field>
           </div>
         </section>
diff --git a/ui-ngx/src/app/modules/home/pages/notification-center/request-table/request-notification-dialog.componet.ts b/ui-ngx/src/app/modules/home/pages/notification-center/request-table/request-notification-dialog.componet.ts
index c79cb8dc2a..ce8f7645d3 100644
--- a/ui-ngx/src/app/modules/home/pages/notification-center/request-table/request-notification-dialog.componet.ts
+++ b/ui-ngx/src/app/modules/home/pages/notification-center/request-table/request-notification-dialog.componet.ts
@@ -193,4 +193,10 @@ export class RequestNotificationDialogComponent extends
   minDate(): Date {
     return new Date(getCurrentTime(this.notificationRequestForm.get('additionalConfig.timezone').value).format('lll'));
   }
+
+  maxDate(): Date {
+    const date = this.minDate();
+    date.setDate(date.getDate() + 7);
+    return date;
+  }
 }
diff --git a/ui-ngx/src/app/modules/home/pages/notification-center/rule-table/escalation-form.component.html b/ui-ngx/src/app/modules/home/pages/notification-center/rule-table/escalation-form.component.html
index 68dd4a9253..430e3a07d4 100644
--- a/ui-ngx/src/app/modules/home/pages/notification-center/rule-table/escalation-form.component.html
+++ b/ui-ngx/src/app/modules/home/pages/notification-center/rule-table/escalation-form.component.html
@@ -26,7 +26,9 @@
             style="min-width: 100px;"
             ngStyle.xs="padding: 0 10px;"
             formControlName="delayInSec"
-            [disabledAdvanced]="true"></tb-timeinterval>
+            min="{{ 0 }}"
+            max="{{ 604800000 }}"
+            disabledAdvanced></tb-timeinterval>
           <span fxFlex class="escalation-notify" translate>notification.notify</span>
         </div>
     </div>
diff --git a/ui-ngx/src/app/modules/home/pages/notification-center/rule-table/rule-notification-dialog.component.ts b/ui-ngx/src/app/modules/home/pages/notification-center/rule-table/rule-notification-dialog.component.ts
index cfc64144df..e8de97ab6c 100644
--- a/ui-ngx/src/app/modules/home/pages/notification-center/rule-table/rule-notification-dialog.component.ts
+++ b/ui-ngx/src/app/modules/home/pages/notification-center/rule-table/rule-notification-dialog.component.ts
@@ -143,8 +143,8 @@ export class RuleNotificationDialogComponent extends
     );
 
     this.alarmTemplateForm = this.fb.group({
-      alarmTypes: [[], Validators.required],
-      alarmSeverities: [[], Validators.required],
+      alarmTypes: [null],
+      alarmSeverities: [null, Validators.required],
       clearRule: this.fb.group({
         alarmStatus: []
       }),
diff --git a/ui-ngx/src/app/shared/components/time/timeinterval.component.ts b/ui-ngx/src/app/shared/components/time/timeinterval.component.ts
index 7a4f3d4153..2f06220fb3 100644
--- a/ui-ngx/src/app/shared/components/time/timeinterval.component.ts
+++ b/ui-ngx/src/app/shared/components/time/timeinterval.component.ts
@@ -75,10 +75,19 @@ export class TimeintervalComponent implements OnInit, ControlValueAccessor {
   }
 
   set hideFlag(val) {
-    this.hideFlagValue = val;
+    this.hideFlagValue = coerceBooleanProperty(val);
   }
 
-  @Input() disabledAdvanced = false;
+  private disabledAdvancedValue = false;
+
+  get disabledAdvanced() {
+    return this.disabledAdvancedValue;
+  }
+
+  @Input()
+  set disabledAdvanced(val) {
+    this.disabledAdvancedValue = coerceBooleanProperty(val);
+  }
 
   @Output() hideFlagChange = new EventEmitter<boolean>();