From ed52b4e8443ba2805d68b0d968b73c68005464ab Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BA=8C=E8=B4=A7=E6=9C=BA=E5=99=A8=E4=BA=BA?=
 <smith3816@gmail.com>
Date: Fri, 13 Feb 2026 14:59:44 +0800
Subject: [PATCH 1/2] fix: handle whitespace-only values in content-has-value
 class

---
 src/SelectInput/Content/SingleContent.tsx | 13 ++++++++-----
 tests/Select.test.tsx                     | 11 ++++++++++-
 2 files changed, 18 insertions(+), 6 deletions(-)

diff --git a/src/SelectInput/Content/SingleContent.tsx b/src/SelectInput/Content/SingleContent.tsx
index 55008591..3a24744b 100644
--- a/src/SelectInput/Content/SingleContent.tsx
+++ b/src/SelectInput/Content/SingleContent.tsx
@@ -63,6 +63,13 @@ const SingleContent = React.forwardRef<HTMLInputElement, SharedContentProps>(
     }, [combobox, activeValue]);
 
     // ========================== Render ==========================
+    const showHasValueCls = !!(
+      displayValue &&
+      displayValue.label !== null &&
+      displayValue.label !== undefined &&
+      String(displayValue.label).trim() !== ''
+    );
+
     // Render value
     const renderValue = displayValue ? (
       hasOptionStyle ? (
@@ -88,11 +95,7 @@ const SingleContent = React.forwardRef<HTMLInputElement, SharedContentProps>(
       <div
         className={clsx(
           `${prefixCls}-content`,
-          displayValue &&
-            displayValue.label !== null &&
-            displayValue.label !== undefined &&
-            displayValue.label !== '' &&
-            `${prefixCls}-content-has-value`,
+          showHasValueCls && `${prefixCls}-content-has-value`,
           mergedSearchValue && `${prefixCls}-content-has-search-value`,
           hasOptionStyle && `${prefixCls}-content-has-option-style`,
           classNames?.content,
diff --git a/tests/Select.test.tsx b/tests/Select.test.tsx
index 262273a2..46de7641 100644
--- a/tests/Select.test.tsx
+++ b/tests/Select.test.tsx
@@ -286,12 +286,21 @@ describe('Select.Basic', () => {
     const { container } = render(
       <Select value={0}>
         <Option value={0}>0</Option>
-        <Option value="1">1</Option>
+        <Option value={1}>1</Option>
       </Select>,
     );
     expect(container.querySelector('.rc-select-content-has-value')).toBeTruthy();
   });
 
+  it('should not add -content-has-value className when value is whitespace string', () => {
+    const { container } = render(
+      <Select value="  ">
+        <Option value="1">One</Option>
+      </Select>,
+    );
+    expect(container.querySelector('.rc-select-content-has-value')).toBeFalsy();
+  });
+
   it('should default select the right option', () => {
     const { container } = render(
       <Select defaultValue="2">

From 9e0974151e1ce1b2455e179281eda69e2d432df8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BA=8C=E8=B4=A7=E6=9C=BA=E5=99=A8=E4=BA=BA?=
 <smith3816@gmail.com>
Date: Fri, 13 Feb 2026 15:09:41 +0800
Subject: [PATCH 2/2] chore: remove redundant boolean operators in
 showHasValueCls

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 src/SelectInput/Content/SingleContent.tsx | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/SelectInput/Content/SingleContent.tsx b/src/SelectInput/Content/SingleContent.tsx
index 3a24744b..6a44357f 100644
--- a/src/SelectInput/Content/SingleContent.tsx
+++ b/src/SelectInput/Content/SingleContent.tsx
@@ -63,12 +63,11 @@ const SingleContent = React.forwardRef<HTMLInputElement, SharedContentProps>(
     }, [combobox, activeValue]);
 
     // ========================== Render ==========================
-    const showHasValueCls = !!(
+    const showHasValueCls =
       displayValue &&
       displayValue.label !== null &&
       displayValue.label !== undefined &&
-      String(displayValue.label).trim() !== ''
-    );
+      String(displayValue.label).trim() !== '';
 
     // Render value
     const renderValue = displayValue ? (