From 34fd791e0eb2b6b9d8b2a367992ddfa64b79bf9e Mon Sep 17 00:00:00 2001
From: Vanessa <lly219@gmail.com>
Date: Sat, 21 Feb 2026 12:41:24 +0800
Subject: [PATCH] :art: https://github.com/siyuan-note/siyuan/issues/17051

---
 app/src/boot/globalEvent/mousemove.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/src/boot/globalEvent/mousemove.ts b/app/src/boot/globalEvent/mousemove.ts
index 1331fe063..69fcdad92 100644
--- a/app/src/boot/globalEvent/mousemove.ts
+++ b/app/src/boot/globalEvent/mousemove.ts
@@ -223,7 +223,8 @@ export const windowMouseMove = (event: MouseEvent, mouseIsEnter: boolean) => {
         const tableElement = blockElement.querySelector("table");
         if (cellElement && tableElement && tableElement.getAttribute("contenteditable") === "true") {
             const tableHeight = blockElement.querySelector("colgroup").clientHeight;
-            const captionHeight = blockElement.querySelector("caption")?.clientHeight || 0;
+            const captionElement = blockElement.querySelector("caption");
+            const captionHeight = (captionElement && captionElement.style.captionSide !== "bottom") ? captionElement.clientHeight : 0;
             const resizeElement = blockElement.querySelector(".table__resize");
             if (blockElement.style.textAlign === "center" || blockElement.style.textAlign === "right") {
                 resizeElement.parentElement.style.left = tableElement.offsetLeft + "px";