diff --git a/packages/form/src/widgets/select/select.widget.spec.ts b/packages/form/src/widgets/select/select.widget.spec.ts
index c0c165a3b..0eda40435 100644
--- a/packages/form/src/widgets/select/select.widget.spec.ts
+++ b/packages/form/src/widgets/select/select.widget.spec.ts
@@ -1,5 +1,5 @@
 import { DebugElement } from '@angular/core';
-import { ComponentFixture, fakeAsync } from '@angular/core/testing';
+import { ComponentFixture, fakeAsync, tick } from '@angular/core/testing';
 
 import { createTestContext } from '@delon/testing';
 
@@ -154,4 +154,47 @@ describe('form: widget: select', () => {
       .checkValue('/a', undefined)
       .asyncEnd();
   }));
+
+  describe('#onSearch', () => {
+    it('should be first load when have value', fakeAsync(() => {
+      const onSearch = jasmine.createSpy().and.returnValue(Promise.resolve());
+      const s: SFSchema = {
+        properties: {
+          a: {
+            type: 'string',
+            enum: [{ label: '待支付', value: 'WAIT_BUYER_PAY' }],
+            default: 'WAIT_BUYER_PAY',
+            ui: {
+              widget,
+              onSearch: onSearch
+            }
+          }
+        }
+      };
+      page.newSchema(s);
+      tick(1000);
+      expect(onSearch).toHaveBeenCalled();
+      page.asyncEnd();
+    }));
+
+    it('should be first load when value is empty', fakeAsync(() => {
+      const onSearch = jasmine.createSpy().and.returnValue(Promise.resolve());
+      const s: SFSchema = {
+        properties: {
+          a: {
+            type: 'string',
+            enum: [{ label: '待支付', value: 'WAIT_BUYER_PAY' }],
+            ui: {
+              widget,
+              onSearch: onSearch
+            }
+          }
+        }
+      };
+      page.newSchema(s);
+      tick(1000);
+      expect(onSearch).not.toHaveBeenCalled();
+      page.asyncEnd();
+    }));
+  });
 });
diff --git a/packages/form/src/widgets/select/select.widget.ts b/packages/form/src/widgets/select/select.widget.ts
index 974890733..9cf2b3a83 100644
--- a/packages/form/src/widgets/select/select.widget.ts
+++ b/packages/form/src/widgets/select/select.widget.ts
@@ -82,12 +82,14 @@ export class SelectWidget extends ControlUIWidget<SFSelectWidgetSchema> implemen
   }
 
   reset(value: SFValue): void {
+    const onSearch = this.ui.onSearch!;
     getData(this.schema, this.ui, value).subscribe(list => {
       this._value = value;
-      if (this.ui.onSearch == null) this.data = list;
+      if (onSearch == null) this.data = list;
       this.checkGroup(list);
       this.detectChanges();
     });
+    if (value && onSearch != null) this.search$.next(value);
   }
 
   change(values: SFValue): void {