diff --git a/app/src/protyle/util/selection.ts b/app/src/protyle/util/selection.ts
index 9fedb55ed..b05e0571b 100644
--- a/app/src/protyle/util/selection.ts
+++ b/app/src/protyle/util/selection.ts
@@ -351,10 +351,6 @@ export const setLastNodeRange = (editElement: Element, range: Range, setStart =
     }
     let lastNode = editElement.lastChild as Element;
     while (lastNode && lastNode.nodeType !== 3) {
-        if (lastNode.nodeType !== 3 && lastNode.tagName === "BR") {
-            // 防止单元格中 ⇧↓ 全部选中
-            return range;
-        }
         // https://github.com/siyuan-note/siyuan/issues/12792
         if (!lastNode.lastChild) {
             break;
@@ -367,14 +363,14 @@ export const setLastNodeRange = (editElement: Element, range: Range, setStart =
         lastNode = editElement;
     }
     if (setStart) {
-        if (lastNode.nodeType !== 3 && lastNode.classList.contains("render-node") && lastNode.innerHTML === "") {
+        if (lastNode.nodeType !== 3 && (lastNode.classList.contains("render-node") || lastNode.tagName === "BR") && lastNode.innerHTML === "") {
             range.setStartAfter(lastNode);
         } else {
             range.setStart(lastNode, lastNode.textContent.length);
         }
     } else {
-        if (lastNode.nodeType !== 3 && lastNode.classList.contains("render-node") && lastNode.innerHTML === "") {
-            range.setStartAfter(lastNode);
+        if (lastNode.nodeType !== 3 && (lastNode.classList.contains("render-node") || lastNode.tagName === "BR") && lastNode.innerHTML === "") {
+            range.setEndAfter(lastNode);
         } else {
             range.setEnd(lastNode, lastNode.textContent.length);
         }
diff --git a/app/src/protyle/wysiwyg/commonHotkey.ts b/app/src/protyle/wysiwyg/commonHotkey.ts
index e538140d2..b8cd0d10d 100644
--- a/app/src/protyle/wysiwyg/commonHotkey.ts
+++ b/app/src/protyle/wysiwyg/commonHotkey.ts
@@ -205,6 +205,9 @@ export const downSelect = (options: {
                     // 代码块中 shift+alt 向下选中到末尾时，最后一个字符无法选中
                     options.event.preventDefault();
                 }
+            } else if (tdElement) {
+                setLastNodeRange(tdElement, options.range, false);
+                options.event.preventDefault();
             }
             return;
         }
diff --git a/app/src/protyle/wysiwyg/index.ts b/app/src/protyle/wysiwyg/index.ts
index ac849f521..5e01c180b 100644
--- a/app/src/protyle/wysiwyg/index.ts
+++ b/app/src/protyle/wysiwyg/index.ts
@@ -1379,6 +1379,8 @@ export class WYSIWYG {
                             }).element);
                         }
                         window.siyuan.menus.menu.popup({x: mouseUpEvent.clientX - 8, y: mouseUpEvent.clientY - 16});
+                        // 多选表格单元格后，选择菜单中的居左，然后 shift+左 选中的文字无法显示选中背景，因此需移除
+                        protyle.wysiwyg.element.classList.remove("protyle-wysiwyg--hiderange");
                     }
                 }
 
@@ -1417,12 +1419,17 @@ export class WYSIWYG {
                     }
                     const startBlockElement = hasClosestBlock(range.startContainer);
                     let endBlockElement: false | HTMLElement;
-                    if (mouseUpEvent.detail > 2 && range.endContainer.nodeType !== 3 && (range.endContainer as HTMLElement).tagName === "DIV" && range.endOffset === 0) {
+                    if (mouseUpEvent.detail > 2 && range.endContainer.nodeType !== 3 && ["DIV", "TD", "TH"].includes((range.endContainer as HTMLElement).tagName) && range.endOffset === 0) {
                         // 三击选中段落块时，rangeEnd 会在下一个块
                         if ((range.endContainer as HTMLElement).classList.contains("protyle-attr") && startBlockElement) {
                             // 三击在悬浮层中会选择到 attr https://github.com/siyuan-note/siyuan/issues/4636
                             // 需要获取可编辑元素，使用 previousElementSibling 的话会 https://github.com/siyuan-note/siyuan/issues/9714
                             setLastNodeRange(getContenteditableElement(startBlockElement), range, false);
+                        } else if (["TD", "TH"].includes((range.endContainer as HTMLElement).tagName)) {
+                            const cellElement = hasClosestByTag(range.startContainer, "TH") || hasClosestByTag(range.startContainer, "TD")
+                            if (cellElement) {
+                                setLastNodeRange(cellElement, range, false);
+                            }
                         }
                     } else {
                         endBlockElement = hasClosestBlock(range.endContainer);