diff --git a/packages/x/components/sender/__tests__/slot.test.tsx b/packages/x/components/sender/__tests__/slot.test.tsx
index e1cff6a5c..452cf686d 100644
--- a/packages/x/components/sender/__tests__/slot.test.tsx
+++ b/packages/x/components/sender/__tests__/slot.test.tsx
@@ -523,6 +523,46 @@ describe('Sender Slot Component', () => {
       setupDOMMocks(customSelectionMock, customRangeMock);
       fireEvent.keyDown(dom, { key: 'Backspace' });
     });
+    it('should trigger closable.onClose when removing skill via Backspace', () => {
+      const onClose = jest.fn();
+      const ref = createRef<SenderRef>();
+      const { container } = render(
+        <Sender
+          ref={ref}
+          slotConfig={[]}
+          placeholder="Sender placeholder"
+          skill={{
+            value: 'test-skill',
+            title: 'Test Skill',
+            closable: { onClose },
+          }}
+        />,
+      );
+      const dom = ref.current?.inputElement as HTMLElement;
+      const skillDom = container.querySelector('.ant-sender-skill') as HTMLElement;
+      expect(ref.current).not.toBeNull();
+      expect(skillDom).toBeInTheDocument();
+
+      const customSelectionMock = {
+        rangeCount: 1,
+        focusOffset: 0,
+        anchorNode: dom,
+        removeAllRanges: jest.fn(),
+        addRange: jest.fn(),
+      };
+
+      Object.defineProperty(dom, 'previousSibling', {
+        value: skillDom,
+        configurable: true,
+      });
+
+      const customRangeMock = createMockRange();
+      setupDOMMocks(customSelectionMock, customRangeMock);
+      fireEvent.keyDown(dom, { key: 'Backspace' });
+
+      expect(onClose).toHaveBeenCalledTimes(1);
+      expect(container.querySelector('.ant-sender-skill')).not.toBeInTheDocument();
+    });
     it('should handle skill removal and addition', () => {
       const { rerender, container } = render(
         <Sender
diff --git a/packages/x/components/sender/components/Skill.tsx b/packages/x/components/sender/components/Skill.tsx
index 50d66dd2c..1e7326f87 100644
--- a/packages/x/components/sender/components/Skill.tsx
+++ b/packages/x/components/sender/components/Skill.tsx
@@ -6,7 +6,7 @@ import type { SkillType } from '../interface';
 
 interface ClosableConfig {
   closeIcon?: React.ReactNode;
-  onClose?: React.MouseEventHandler<HTMLDivElement>;
+  onClose?: (event: React.SyntheticEvent<HTMLDivElement>) => void;
   disabled?: boolean;
 }
 
diff --git a/packages/x/components/sender/components/SlotTextArea.tsx b/packages/x/components/sender/components/SlotTextArea.tsx
index 47963b01d..f183af0bb 100644
--- a/packages/x/components/sender/components/SlotTextArea.tsx
+++ b/packages/x/components/sender/components/SlotTextArea.tsx
@@ -525,6 +525,10 @@ const SlotTextArea = React.forwardRef<SlotTextAreaRef>((_, ref) => {
           if (skillKey) {
             e.preventDefault();
             removeSkill();
+            // 与点击关闭行为保持一致，删除后补发 closable.onClose
+            if (skill?.closable && typeof skill.closable === 'object') {
+              skill.closable.onClose?.(e);
+            }
             return true;
           }
         }
diff --git a/packages/x/components/sender/index.en-US.md b/packages/x/components/sender/index.en-US.md
index 88c657671..e97dc3f1e 100644
--- a/packages/x/components/sender/index.en-US.md
+++ b/packages/x/components/sender/index.en-US.md
@@ -78,7 +78,8 @@ interface SkillType {
     | boolean
     | {
         closeIcon?: React.ReactNode;
-        onClose?: React.MouseEventHandler<HTMLDivElement>;
+        // Triggered when the skill is removed by clicking the close button or pressing Backspace
+        onClose?: (event: React.SyntheticEvent<HTMLDivElement>) => void;
         disabled?: boolean;
       };
 }
diff --git a/packages/x/components/sender/index.zh-CN.md b/packages/x/components/sender/index.zh-CN.md
index 3bbee1423..39ca367a1 100644
--- a/packages/x/components/sender/index.zh-CN.md
+++ b/packages/x/components/sender/index.zh-CN.md
@@ -80,7 +80,8 @@ interface SkillType {
     | boolean
     | {
         closeIcon?: React.ReactNode;
-        onClose?: React.MouseEventHandler<HTMLDivElement>;
+        // 点击关闭按钮或使用 Backspace 删除时触发
+        onClose?: (event: React.SyntheticEvent<HTMLDivElement>) => void;
         disabled?: boolean;
       };
 }
diff --git a/packages/x/components/sender/interface.ts b/packages/x/components/sender/interface.ts
index 871d8aad0..808e8fdbd 100644
--- a/packages/x/components/sender/interface.ts
+++ b/packages/x/components/sender/interface.ts
@@ -59,7 +59,8 @@ export interface SkillType {
     | boolean
     | {
         closeIcon?: React.ReactNode;
-        onClose?: React.MouseEventHandler<HTMLDivElement>;
+        /** 点击关闭按钮或使用 Backspace 删除时触发 */
+        onClose?: (event: React.SyntheticEvent<HTMLDivElement>) => void;
         disabled?: boolean;
       };
 }