diff --git a/data/templates/common/StrongFB-validator.ts b/data/templates/common/StrongFB-validator.ts
index a1635cc..ebcbe5a 100644
--- a/data/templates/common/StrongFB-validator.ts
+++ b/data/templates/common/StrongFB-validator.ts
@@ -131,7 +131,7 @@ export class StrongFBValidator {
     }
 
     protected validateNumber(value: string) {
-        return /^\d+$/.test(String(value));
+        return /^\d+$/.test(String(value)) || value === '';
     }
 
     protected validateRequired(value: string | number, widgetName?: string) {
diff --git a/data/templates/widgets/form-field/form-field.component.ts b/data/templates/widgets/form-field/form-field.component.ts
index db6c5cb..adf6d8a 100644
--- a/data/templates/widgets/form-field/form-field.component.ts
+++ b/data/templates/widgets/form-field/form-field.component.ts
@@ -95,7 +95,7 @@ export class StrongFBFormFieldWidgetComponent extends StrongFBBaseWidget<FormFie
                 }, 5);
 
             // =>listen on ngModelChange
-            this.formFieldInstance[0].instance['ngModelChange'].pipe(takeUntil(this.destroy$)).subscribe(it => this.changeFormFieldValue(it));
+            this.formFieldInstance[0].instance['ngModelChange'].pipe(takeUntil(this.destroy$)).subscribe(it => { if (it !== undefined) this.changeFormFieldValue(it) });
             // =>listen on showChange
             this.showChange.pipe(takeUntil(this.destroy$)).subscribe(it => {
                 // =>set show state
diff --git a/data/templates/widgets/input/input.component.ts b/data/templates/widgets/input/input.component.ts
index 73e2d1a..3f79231 100644
--- a/data/templates/widgets/input/input.component.ts
+++ b/data/templates/widgets/input/input.component.ts
@@ -2,6 +2,7 @@ import { Component, Output, EventEmitter } from '@angular/core';
 import { StrongFBBaseWidget } from '../../common/StrongFB-widget';
 import { InputSchema } from './input-interfaces';
 import { syncSchema } from './convertor';
+import { takeUntil } from 'rxjs';
 
 @Component({
     selector: 'input-widget',
@@ -22,6 +23,14 @@ export class StrongFBInputWidgetComponent extends StrongFBBaseWidget<InputSchema
         this.schema = syncSchema(this.schema);
 
         this.listenOnFormFieldChange('value');
+        // =>listen on value change
+        this.valueChanges$.pipe(takeUntil(this.destroy$)).subscribe(async (it: [boolean, any]) => {
+            if (!it || !it[0]) return;
+            this.schema.value = it[1];
+            if (it[1] === undefined || it[1] === null) {
+                this.changeValue();
+            }
+        });
     }
 
     normalizeSchema(schema: InputSchema) {
@@ -35,7 +44,7 @@ export class StrongFBInputWidgetComponent extends StrongFBBaseWidget<InputSchema
         return schema;
     }
 
-    changeValue(event) {
+    changeValue(event?) {
         this.updateFormField('value');
     }
 
@@ -49,4 +58,9 @@ export class StrongFBInputWidgetComponent extends StrongFBBaseWidget<InputSchema
             break;
         }
     }
+
+    suffixButtonClick(e) {
+        if (!this.schema?._form?.suffixButton?.schema['click']) return;
+        this.schema?._form?.suffixButton?.schema['click'].call(this.widgetForm, e, this.schema?._form?.suffixButton);
+    }
 }
diff --git a/data/templates/widgets/input/material/input.component.html b/data/templates/widgets/input/material/input.component.html
index 0d4f807..01d62dc 100644
--- a/data/templates/widgets/input/material/input.component.html
+++ b/data/templates/widgets/input/material/input.component.html
@@ -10,5 +10,11 @@
             [placeholder]="schema.placeholder ? schema.placeholder : ''" [id]="widgetId" [(ngModel)]="schema.value"
             (ngModelChange)="changeValue($event)" (keyup)="keyupEvent($event)" />
         <span matSuffix *ngIf="schema?._form?.suffixText">{{schema?._form?.suffixText}}</span>
+        <!-- suffix button -->
+        <button *ngIf="schema?._form?.suffixButton && schema?._form?.suffixButton.schema?.mode == 'icon'" matSuffix
+            mat-icon-button (click)="suffixButtonClick()">
+            <icon-widget [icon]="schema?._form?.suffixButton.schema?.icon"></icon-widget>
+        </button>
+
     </mat-form-field>
 </ng-container>
\ No newline at end of file
diff --git a/src/common.ts b/src/common.ts
index 6e7a5fc..82e0ceb 100644
--- a/src/common.ts
+++ b/src/common.ts
@@ -6,7 +6,7 @@ import { error } from '@dat/lib/log';
 import { UIFrameWorkType } from './types';
 
 
-export const VERSION = '0.147';
+export const VERSION = '0.148';
 
 export async function detectAngularSourcePath() {
     let cwdir = await cwd();