From b68cfea81c893a27a251ebebdc74e6b133192819 Mon Sep 17 00:00:00 2001
From: afc163 <afc163@gmail.com>
Date: Wed, 3 Sep 2025 18:32:19 +0800
Subject: [PATCH 1/4] fix: handle empty or falsy column widths in FixedHolder

---
 src/ColGroup.tsx          |  2 +-
 src/FixedHolder/index.tsx | 17 +++++++++++++++--
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/ColGroup.tsx b/src/ColGroup.tsx
index a20e58c28..f5161049c 100644
--- a/src/ColGroup.tsx
+++ b/src/ColGroup.tsx
@@ -22,7 +22,7 @@ function ColGroup<RecordType>({ colWidths, columns, columCount }: ColGroupProps<
   for (let i = len - 1; i >= 0; i -= 1) {
     const width = colWidths[i];
     const column = columns && columns[i];
-    let additionalProps;
+    let additionalProps: any;
     let minWidth: number;
     if (column) {
       additionalProps = column[INTERNAL_COL_DEFINE];
diff --git a/src/FixedHolder/index.tsx b/src/FixedHolder/index.tsx
index 86e739be1..c48d18323 100644
--- a/src/FixedHolder/index.tsx
+++ b/src/FixedHolder/index.tsx
@@ -139,7 +139,13 @@ const FixedHolder = React.forwardRef<HTMLDivElement, FixedHeaderProps<any>>((pro
 
   const colGroupNode = useMemo(() => {
     // use original ColGroup if no data or no calculated column width, otherwise use calculated column width
-    if (noData || !mergedColumnWidth) {
+    // 如果没有数据，或者 mergedColumnWidth 为空，或者 mergedColumnWidth 里全是 falsy 值，则返回原始 colGroup
+    if (
+      noData ||
+      !mergedColumnWidth ||
+      mergedColumnWidth.length === 0 ||
+      mergedColumnWidth.every(width => !width)
+    ) {
       return colGroup;
     }
     return (
@@ -149,7 +155,14 @@ const FixedHolder = React.forwardRef<HTMLDivElement, FixedHeaderProps<any>>((pro
         columns={flattenColumnsWithScrollbar}
       />
     );
-  }, [noData, mergedColumnWidth, colGroup, combinationScrollBarSize, columCount, flattenColumnsWithScrollbar]);
+  }, [
+    noData,
+    mergedColumnWidth,
+    colGroup,
+    combinationScrollBarSize,
+    columCount,
+    flattenColumnsWithScrollbar,
+  ]);
 
   return (
     <div

From 337e0c41fbff14962d119c72644787a1cc2e8b29 Mon Sep 17 00:00:00 2001
From: afc163 <afc163@gmail.com>
Date: Wed, 3 Sep 2025 18:36:35 +0800
Subject: [PATCH 2/4] test: update snapshot

---
 tests/__snapshots__/Table.spec.jsx.snap | 15 +--------------
 1 file changed, 1 insertion(+), 14 deletions(-)

diff --git a/tests/__snapshots__/Table.spec.jsx.snap b/tests/__snapshots__/Table.spec.jsx.snap
index 8741bf5b8..f3edd6e4d 100644
--- a/tests/__snapshots__/Table.spec.jsx.snap
+++ b/tests/__snapshots__/Table.spec.jsx.snap
@@ -216,20 +216,7 @@ LoadedCheerio {
         <table
           style="table-layout: fixed; width: 100px; min-width: 100%;"
         >
-          <colgroup>
-            <col
-              style="width: 0px;"
-            />
-            <col
-              style="width: 0px;"
-            />
-            <col
-              style="width: 0px;"
-            />
-            <col
-              style="width: 15px;"
-            />
-          </colgroup>
+          <colgroup />
           <thead
             class="rc-table-thead"
             name="my-header-wrapper"

From d5b844dda0ae803e3c99a38f587bd4fed27d5ed3 Mon Sep 17 00:00:00 2001
From: afc163 <afc163@gmail.com>
Date: Wed, 3 Sep 2025 18:37:27 +0800
Subject: [PATCH 3/4] Update src/FixedHolder/index.tsx

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
---
 src/FixedHolder/index.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/FixedHolder/index.tsx b/src/FixedHolder/index.tsx
index c48d18323..09e4598b1 100644
--- a/src/FixedHolder/index.tsx
+++ b/src/FixedHolder/index.tsx
@@ -139,7 +139,7 @@ const FixedHolder = React.forwardRef<HTMLDivElement, FixedHeaderProps<any>>((pro
 
   const colGroupNode = useMemo(() => {
     // use original ColGroup if no data or no calculated column width, otherwise use calculated column width
-    // 如果没有数据，或者 mergedColumnWidth 为空，或者 mergedColumnWidth 里全是 falsy 值，则返回原始 colGroup
+    // Return original colGroup if no data, or mergedColumnWidth is empty, or all widths are falsy
     if (
       noData ||
       !mergedColumnWidth ||

From 5d8f052587eb4794f1d62d7fc243ebe628d12c5b Mon Sep 17 00:00:00 2001
From: afc163 <afc163@gmail.com>
Date: Wed, 3 Sep 2025 18:37:35 +0800
Subject: [PATCH 4/4] Update src/ColGroup.tsx

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
---
 src/ColGroup.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ColGroup.tsx b/src/ColGroup.tsx
index f5161049c..6c49f304f 100644
--- a/src/ColGroup.tsx
+++ b/src/ColGroup.tsx
@@ -22,7 +22,7 @@ function ColGroup<RecordType>({ colWidths, columns, columCount }: ColGroupProps<
   for (let i = len - 1; i >= 0; i -= 1) {
     const width = colWidths[i];
     const column = columns && columns[i];
-    let additionalProps: any;
+    let additionalProps: Record<string, unknown>;
     let minWidth: number;
     if (column) {
       additionalProps = column[INTERNAL_COL_DEFINE];