diff --git a/src/BaseSelect/index.tsx b/src/BaseSelect/index.tsx
index 1cd445cd..dc5be9dd 100644
--- a/src/BaseSelect/index.tsx
+++ b/src/BaseSelect/index.tsx
@@ -7,7 +7,7 @@ import { useAllowClear } from '../hooks/useAllowClear';
 import { BaseSelectContext } from '../hooks/useBaseProps';
 import type { BaseSelectContextProps } from '../hooks/useBaseProps';
 import useLock from '../hooks/useLock';
-import useSelectTriggerControl from '../hooks/useSelectTriggerControl';
+import useSelectTriggerControl, { isInside } from '../hooks/useSelectTriggerControl';
 import type {
   DisplayInfoType,
   DisplayValueType,
@@ -21,7 +21,7 @@ import type { RefTriggerProps } from '../SelectTrigger';
 import SelectTrigger from '../SelectTrigger';
 import { getSeparatedContent, isValidCount } from '../utils/valueUtil';
 import Polite from './Polite';
-import useOpen from '../hooks/useOpen';
+import useOpen, { macroTask } from '../hooks/useOpen';
 import { useEvent } from '@rc-component/util';
 import type { SelectInputRef } from '../SelectInput';
 import SelectInput from '../SelectInput';
@@ -537,6 +537,15 @@ const BaseSelect = React.forwardRef<BaseSelectRef, BaseSelectProps>((props, ref)
     keyLockRef.current = false;
   };
 
+  // ========================== Focus / Blur ==========================
+  const getSelectElements = () => [
+    getDOM(containerRef.current),
+    triggerRef.current?.getPopupElement(),
+  ];
+
+  // Close when click on non-select element
+  useSelectTriggerControl(getSelectElements, mergedOpen, triggerOpen, !!mergedComponents.root);
+
   // ========================== Focus / Blur ==========================
   /** Record real focus status */
   // const focusRef = React.useRef<boolean>(false);
@@ -554,6 +563,14 @@ const BaseSelect = React.forwardRef<BaseSelectRef, BaseSelectProps>((props, ref)
     }
   };
 
+  const onRootBlur = () => {
+    macroTask(() => {
+      if (!isInside(getSelectElements(), document.activeElement as HTMLElement)) {
+        triggerOpen(false);
+      }
+    });
+  };
+
   const onInternalBlur: React.FocusEventHandler<HTMLElement> = (event) => {
     setFocused(false);
 
@@ -569,6 +586,8 @@ const BaseSelect = React.forwardRef<BaseSelectRef, BaseSelectProps>((props, ref)
       }
     }
 
+    onRootBlur();
+
     if (!disabled) {
       onBlur?.(event);
     }
@@ -604,14 +623,6 @@ const BaseSelect = React.forwardRef<BaseSelectRef, BaseSelectProps>((props, ref)
     };
   }
 
-  // Close when click on non-select element
-  useSelectTriggerControl(
-    () => [getDOM(containerRef.current), triggerRef.current?.getPopupElement()],
-    mergedOpen,
-    triggerOpen,
-    !!mergedComponents.root,
-  );
-
   // ============================ Context =============================
   const baseSelectContext = React.useMemo<BaseSelectContextProps>(
     () => ({
@@ -764,6 +775,7 @@ const BaseSelect = React.forwardRef<BaseSelectRef, BaseSelectProps>((props, ref)
       onPopupVisibleChange={onTriggerVisibleChange}
       onPopupMouseEnter={onPopupMouseEnter}
       onPopupMouseDown={onInternalMouseDown}
+      onPopupBlur={onRootBlur}
     >
       {renderNode}
     </SelectTrigger>
diff --git a/src/SelectInput/index.tsx b/src/SelectInput/index.tsx
index 619be16e..42555137 100644
--- a/src/SelectInput/index.tsx
+++ b/src/SelectInput/index.tsx
@@ -11,7 +11,6 @@ import { clsx } from 'clsx';
 import type { ComponentsConfig } from '../hooks/useComponents';
 import { getDOM } from '@rc-component/util/lib/Dom/findDOMNode';
 import { composeRef } from '@rc-component/util/lib/ref';
-import { macroTask } from '../hooks/useOpen';
 
 export interface SelectInputRef {
   focus: (options?: FocusOptions) => void;
@@ -101,7 +100,6 @@ export default React.forwardRef<SelectInputRef, SelectInputProps>(function Selec
 
     // Events
     onMouseDown,
-    onBlur,
     onClearMouseDown,
     onInputKeyDown,
     onSelectorRemove,
@@ -203,20 +201,6 @@ export default React.forwardRef<SelectInputRef, SelectInputProps>(function Selec
     onMouseDown?.(event);
   });
 
-  const onInternalBlur: SelectInputProps['onBlur'] = (event) => {
-    macroTask(() => {
-      const inputNode = getDOM(inputRef.current);
-      if (
-        !inputNode ||
-        (inputNode !== document.activeElement && !inputNode.contains(document.activeElement))
-      ) {
-        toggleOpen(false);
-      }
-    });
-
-    onBlur?.(event);
-  };
-
   // =================== Components ===================
   const { root: RootComponent } = components;
 
@@ -250,7 +234,6 @@ export default React.forwardRef<SelectInputRef, SelectInputProps>(function Selec
         style={style}
         // Mouse Events
         onMouseDown={onInternalMouseDown}
-        onBlur={onInternalBlur}
       >
         {/* Prefix */}
         <Affix className={clsx(`${prefixCls}-prefix`, classNames?.prefix)} style={styles?.prefix}>
diff --git a/src/SelectTrigger.tsx b/src/SelectTrigger.tsx
index a44df91a..bbf719fa 100644
--- a/src/SelectTrigger.tsx
+++ b/src/SelectTrigger.tsx
@@ -77,6 +77,7 @@ export interface SelectTriggerProps {
 
   onPopupMouseEnter: () => void;
   onPopupMouseDown: React.MouseEventHandler<HTMLDivElement>;
+  onPopupBlur?: React.FocusEventHandler<HTMLDivElement>;
 }
 
 const SelectTrigger: React.ForwardRefRenderFunction<RefTriggerProps, SelectTriggerProps> = (
@@ -104,6 +105,7 @@ const SelectTrigger: React.ForwardRefRenderFunction<RefTriggerProps, SelectTrigg
     onPopupVisibleChange,
     onPopupMouseEnter,
     onPopupMouseDown,
+    onPopupBlur,
     ...restProps
   } = props;
 
@@ -165,7 +167,7 @@ const SelectTrigger: React.ForwardRefRenderFunction<RefTriggerProps, SelectTrigg
       prefixCls={popupPrefixCls}
       popupMotion={{ motionName: mergedTransitionName }}
       popup={
-        <div onMouseEnter={onPopupMouseEnter} onMouseDown={onPopupMouseDown}>
+        <div onMouseEnter={onPopupMouseEnter} onMouseDown={onPopupMouseDown} onBlur={onPopupBlur}>
           {popupNode}
         </div>
       }
diff --git a/src/hooks/useOpen.ts b/src/hooks/useOpen.ts
index bf08663f..4915ef66 100644
--- a/src/hooks/useOpen.ts
+++ b/src/hooks/useOpen.ts
@@ -86,7 +86,7 @@ export default function useOpen(
 
           macroTask(() => {
             taskLockRef.current = false;
-          }, 2);
+          }, 3);
         }
       }
       return;
diff --git a/src/hooks/useSelectTriggerControl.ts b/src/hooks/useSelectTriggerControl.ts
index 3d1de438..811c4dd2 100644
--- a/src/hooks/useSelectTriggerControl.ts
+++ b/src/hooks/useSelectTriggerControl.ts
@@ -1,6 +1,12 @@
 import * as React from 'react';
 import { useEvent } from '@rc-component/util';
 
+export function isInside(elements: (HTMLElement | SVGElement | undefined)[], target: HTMLElement) {
+  return elements
+    .filter((element) => element)
+    .some((element) => element.contains(target) || element === target);
+}
+
 export default function useSelectTriggerControl(
   elements: () => (HTMLElement | SVGElement | undefined)[],
   open: boolean,
@@ -23,9 +29,7 @@ export default function useSelectTriggerControl(
       open &&
       // Marked by SelectInput mouseDown event
       !(event as any)._ignore_global_close &&
-      elements()
-        .filter((element) => element)
-        .every((element) => !element.contains(target) && element !== target)
+      !isInside(elements(), target)
     ) {
       // Should trigger close
       triggerOpen(false);
diff --git a/tests/focus.test.tsx b/tests/focus.test.tsx
index af042e14..104352fe 100644
--- a/tests/focus.test.tsx
+++ b/tests/focus.test.tsx
@@ -3,10 +3,16 @@ import Select from '../src';
 import { fireEvent, render } from '@testing-library/react';
 
 describe('Select.Focus', () => {
-  it('disabled should reset focused', () => {
-    jest.clearAllTimers();
+  beforeEach(() => {
     jest.useFakeTimers();
+  });
 
+  afterEach(() => {
+    jest.clearAllTimers();
+    jest.useRealTimers();
+  });
+
+  it('disabled should reset focused', () => {
     jest.clearAllTimers();
 
     const { container, rerender } = render(<Select />);
@@ -24,13 +30,9 @@ describe('Select.Focus', () => {
       jest.runAllTimers();
     });
     expect(container.querySelector('.rc-select-focused')).toBeFalsy();
-
-    jest.useRealTimers();
   });
 
   it('after onBlur is triggered the focused does not need to be reset', () => {
-    jest.useFakeTimers();
-
     const onFocus = jest.fn();
 
     const Demo: React.FC = () => {
@@ -63,7 +65,57 @@ describe('Select.Focus', () => {
     jest.runAllTimers();
 
     expect(onFocus).toHaveBeenCalled();
+  });
 
-    jest.useRealTimers();
+  it('when popupRender has custom input, focus it and trigger SelectInput blur should not close the popup', () => {
+    const onPopupVisibleChange = jest.fn();
+
+    const { container } = render(
+      <Select
+        open
+        onPopupVisibleChange={onPopupVisibleChange}
+        popupRender={() => (
+          <div className="bamboo">
+            <input className="custom-input" />
+          </div>
+        )}
+      />,
+    );
+
+    const selectInput = container.querySelector('input.rc-select-input') as HTMLElement;
+    const customInput = container.querySelector('.custom-input') as HTMLElement;
+
+    fireEvent.focus(selectInput);
+    selectInput.focus();
+    fireEvent.blur(selectInput);
+
+    // Focus custom input should not close popup
+    fireEvent.focus(customInput);
+    selectInput.focus();
+
+    act(() => {
+      jest.runAllTimers();
+    });
+
+    expect(onPopupVisibleChange).not.toHaveBeenCalled();
+
+    // Click on the popup element will blur to document but should not close
+    fireEvent.mouseDown(container.querySelector('.bamboo'));
+    fireEvent.blur(customInput);
+    document.body.focus();
+
+    act(() => {
+      jest.runAllTimers();
+    });
+
+    expect(onPopupVisibleChange).not.toHaveBeenCalled();
+
+    // Click on the body should close the popup
+    fireEvent.mouseDown(document.body);
+    act(() => {
+      jest.runAllTimers();
+    });
+
+    expect(onPopupVisibleChange).toHaveBeenCalledWith(false);
   });
 });
diff --git a/tests/setup.ts b/tests/setup.ts
index 1aba7af6..f6b5042e 100644
--- a/tests/setup.ts
+++ b/tests/setup.ts
@@ -11,7 +11,7 @@ window.MessageChannel = class {
             if (port._target && typeof port._target.onmessage === 'function') {
               port._target.onmessage({ data: message });
             }
-          }, 0);
+          }, 10);
         },
         _target: null,
       };