diff --git a/src/content/market/dom-sync.ts b/src/content/market/dom-sync.ts
index c880846..0000d96 100644
--- a/src/content/market/dom-sync.ts
+++ b/src/content/market/dom-sync.ts
@@ -11,6 +11,7 @@ import type {
 } from "./types";
 
 const BACKEND_COLUMN_KEY = "backendMetrics";
+const SELECTION_COLUMN_KEY = "selection";
 const SINGLE_COLUMN_KEY = "singleVideoAfterSearchRate";
 const PERSONAL_COLUMN_KEY = "personalVideoAfterSearchRate";
 const ACTION_HEADER_TEXT = "操作";
@@ -86,12 +87,14 @@ export interface MarketRowDom {
   price21To60s?: string;
   rates?: AfterSearchRates;
   row: HTMLElement;
+  selectionCheckbox: HTMLInputElement;
   singleCell: HTMLElement;
   visibilityTargets: HTMLElement[];
   orderTargets: RowOrderTarget[];
 }
 
 export interface MarketTableDom {
+  headerSelectionCheckbox: HTMLInputElement | null;
   rows: MarketRowDom[];
 }
 
@@ -263,6 +266,8 @@ function syncSyntheticMarketTable(root: ParentNode): MarketTableDom | null {
     return null;
   }
 
+  const selectionHeader = ensureSyntheticHeaderCell(header, SELECTION_COLUMN_KEY, "");
+  const headerSelectionCheckbox = ensureSelectionHeaderControl(selectionHeader);
   ensureSyntheticHeaderCell(header, SINGLE_COLUMN_KEY, "单视频看后搜率");
   ensureSyntheticHeaderCell(header, PERSONAL_COLUMN_KEY, "个人视频看后搜率");
   BACKEND_METRIC_COLUMNS.forEach(({ field, label }) => {
@@ -273,6 +278,8 @@ function syncSyntheticMarketTable(root: ParentNode): MarketTableDom | null {
   const rows = Array.from(body.querySelectorAll("[data-market-row]")).map(
     (rowElement) => {
       const row = rowElement as HTMLElement;
+      const selectionCell = ensureSyntheticRowCell(row, SELECTION_COLUMN_KEY);
+      const selectionCheckbox = ensureSelectionRowControl(selectionCell);
       const singleCell = ensureSyntheticRowCell(row, SINGLE_COLUMN_KEY);
       const personalCell = ensureSyntheticRowCell(row, PERSONAL_COLUMN_KEY);
       const backendMetricsCells = Object.fromEntries(
@@ -303,6 +310,7 @@ function syncSyntheticMarketTable(root: ParentNode): MarketTableDom | null {
             ?.textContent?.trim() ?? "",
         rates: undefined,
         row,
+        selectionCheckbox,
         singleCell,
         visibilityTargets: [row]
       } satisfies MarketRowDom;
@@ -310,6 +318,7 @@ function syncSyntheticMarketTable(root: ParentNode): MarketTableDom | null {
   );
 
   return {
+    headerSelectionCheckbox,
     rows
   };
 }
@@ -435,12 +444,16 @@ function syncDivGridRoot(root: HTMLElement): MarketTableDom | null {
     bodySection,
     getDirectChildIndex(headerSection, authorHeader)
   );
+  const authorHeaderSection = getIndexedChild(
+    headerSection,
+    getDirectChildIndex(headerSection, authorHeader)
+  );
   const rightSection = getIndexedChild(
     bodySection,
     getDirectChildIndex(headerSection, actionHeader)
   );
 
-  if (!authorSection || !rightSection) {
+  if (!authorSection || !authorHeaderSection || !rightSection) {
     return null;
   }
   const middleBodySection = findPreviousNativeSection(rightSection) ?? rightSection;
@@ -462,6 +475,19 @@ function syncDivGridRoot(root: HTMLElement): MarketTableDom | null {
   }
 
   const rowCount = getDirectContentCells(authorColumn).length;
+  const selectionHeaderCell = ensureDivHeaderCell(
+    authorHeaderSection,
+    authorHeader,
+    SELECTION_COLUMN_KEY,
+    ""
+  );
+  const headerSelectionCheckbox = ensureSelectionHeaderControl(selectionHeaderCell);
+  const selectionColumn = ensureDivBodyColumn(
+    authorSection,
+    authorColumn,
+    SELECTION_COLUMN_KEY,
+    rowCount
+  );
   const headerTemplateCell =
     getDirectHeaderCells(middleHeaderSection).at(-1) ??
     findPreviousHeaderCell(actionHeader) ??
@@ -510,6 +536,8 @@ function syncDivGridRoot(root: HTMLElement): MarketTableDom | null {
   ) as Record<BackendMetricField, HTMLElement>;
   syncContainerWidth(pluginHeaderSection);
   syncContainerWidth(pluginBodySection);
+  syncContainerWidth(authorHeaderSection);
+  syncContainerWidth(authorSection);
   ensureVisibleHorizontalScroll(headerSection);
   ensureVisibleHorizontalScroll(bodySection);
   ensureScrollHint(root, headerSection);
@@ -525,6 +553,7 @@ function syncDivGridRoot(root: HTMLElement): MarketTableDom | null {
       : []
   );
   const authorCells = getDirectContentCells(authorColumn);
+  const selectionCells = getDirectContentCells(selectionColumn);
   const singleCells = getDirectContentCells(singleColumn);
   const personalCells = getDirectContentCells(personalColumn);
   const backendMetricCellsByField = Object.fromEntries(
@@ -539,6 +568,7 @@ function syncDivGridRoot(root: HTMLElement): MarketTableDom | null {
   const remainingSerializedMarketRows = [...readSerializedMarketRows(root.ownerDocument)];
 
   const rows = authorCells.flatMap((authorCell, index) => {
+    const selectionCell = selectionCells[index] ?? null;
     const singleCell = singleCells[index] ?? null;
     const personalCell = personalCells[index] ?? null;
     const backendMetricsCells = Object.fromEntries(
@@ -548,12 +578,14 @@ function syncDivGridRoot(root: HTMLElement): MarketTableDom | null {
       ])
     ) as Record<BackendMetricField, HTMLElement | null>;
     if (
+      !selectionCell ||
       !singleCell ||
       !personalCell ||
       Object.values(backendMetricsCells).some((cell) => cell === null)
     ) {
       return [];
     }
+    const selectionCheckbox = ensureSelectionRowControl(selectionCell);
 
     const alignedRowCells = allBodyColumns.map(
       (column) => getDirectContentCells(column)[index] ?? null
@@ -612,6 +644,7 @@ function syncDivGridRoot(root: HTMLElement): MarketTableDom | null {
         price21To60s,
         rates: fallbackMarketRow?.rates,
         row: authorCell,
+        selectionCheckbox,
         singleCell,
         visibilityTargets: rowCells
       } satisfies MarketRowDom
@@ -619,6 +652,7 @@ function syncDivGridRoot(root: HTMLElement): MarketTableDom | null {
   });
 
   return {
+    headerSelectionCheckbox,
     rows
   };
 }
@@ -640,7 +674,11 @@ function ensureSyntheticHeaderCell(
   const nextCell = header.ownerDocument.createElement("div");
   nextCell.dataset.marketHeaderCell = field;
   nextCell.textContent = label;
-  header.appendChild(nextCell);
+  if (field === SELECTION_COLUMN_KEY) {
+    header.insertBefore(nextCell, header.firstChild);
+  } else {
+    header.appendChild(nextCell);
+  }
   return nextCell;
 }
 
@@ -655,7 +693,11 @@ function ensureSyntheticRowCell(row: HTMLElement, field: string): HTMLElement {
 
   const nextCell = row.ownerDocument.createElement(field === BACKEND_COLUMN_KEY ? "div" : "span");
   nextCell.dataset.marketRowCell = field;
-  row.appendChild(nextCell);
+  if (field === SELECTION_COLUMN_KEY) {
+    row.insertBefore(nextCell, row.firstChild);
+  } else {
+    row.appendChild(nextCell);
+  }
   return nextCell;
 }
 
@@ -727,9 +769,12 @@ function syncDivColumnCells(
 
     const templateCell =
       templateCells[index] ?? templateCells[templateCells.length - 1] ?? null;
-    const nextCell = templateCell
-      ? cloneElementShallow(templateCell)
-      : createBareContentCell(column.ownerDocument);
+    const nextCell =
+      field === SELECTION_COLUMN_KEY
+        ? createBareContentCell(column.ownerDocument)
+        : templateCell
+          ? cloneElementShallow(templateCell)
+          : createBareContentCell(column.ownerDocument);
     nextCell.dataset.marketRowCell = field;
     applyColumnWidth(nextCell, field);
     applyPluginContentCellStyles(nextCell);
@@ -756,6 +801,54 @@ function applyPluginContentCellStyles(cell: HTMLElement): void {
   cell.style.whiteSpace = "nowrap";
 }
 
+function ensureSelectionHeaderControl(cell: HTMLElement): HTMLInputElement {
+  cell.textContent = "";
+  cell.style.gap = "6px";
+  cell.style.justifyContent = "center";
+
+  const checkbox = ensureSelectionCheckbox(cell, "header");
+  const label = cell.querySelector(
+    '[data-market-selection-label="header"]'
+  ) as HTMLElement | null;
+  if (label) {
+    label.textContent = "全选";
+    return checkbox;
+  }
+
+  const nextLabel = cell.ownerDocument.createElement("span");
+  nextLabel.dataset.marketSelectionLabel = "header";
+  nextLabel.textContent = "全选";
+  nextLabel.style.fontSize = "12px";
+  cell.appendChild(nextLabel);
+  return checkbox;
+}
+
+function ensureSelectionRowControl(cell: HTMLElement): HTMLInputElement {
+  cell.textContent = "";
+  cell.style.justifyContent = "center";
+  return ensureSelectionCheckbox(cell, "row");
+}
+
+function ensureSelectionCheckbox(
+  container: HTMLElement,
+  kind: "header" | "row"
+): HTMLInputElement {
+  const existingCheckbox = container.querySelector(
+    `[data-market-selection-checkbox="${kind}"]`
+  ) as HTMLInputElement | null;
+  if (existingCheckbox) {
+    existingCheckbox.type = "checkbox";
+    return existingCheckbox;
+  }
+
+  const checkbox = container.ownerDocument.createElement("input");
+  checkbox.type = "checkbox";
+  checkbox.dataset.marketSelectionCheckbox = kind;
+  checkbox.style.cursor = "pointer";
+  container.appendChild(checkbox);
+  return checkbox;
+}
+
 function getOwnerDocument(root: ParentNode): Document | null {
   if ("ownerDocument" in root && root.ownerDocument) {
     return root.ownerDocument;
@@ -1434,6 +1527,11 @@ function readRateCellText(value: string | undefined): string {
 }
 
 function applyColumnWidth(element: HTMLElement, field: string): void {
+  if (field === SELECTION_COLUMN_KEY) {
+    element.style.minWidth = "56px";
+    element.style.width = "56px";
+  }
+
   if (field === BACKEND_COLUMN_KEY) {
     element.style.minWidth = "240px";
     element.style.width = "240px";
diff --git a/tests/market-dom-sync.test.ts b/tests/market-dom-sync.test.ts
index 7970497..20a8042 100644
--- a/tests/market-dom-sync.test.ts
+++ b/tests/market-dom-sync.test.ts
@@ -39,6 +39,9 @@ describe("market-dom-sync", () => {
     const table = syncMarketTable(document);
 
     expect(table).not.toBeNull();
+    expect(
+      document.querySelector('[data-market-header-cell="selection"]')
+    ).not.toBeNull();
     expect(
       document.querySelector('[data-market-header-cell="singleVideoAfterSearchRate"]')
     ).not.toBeNull();
@@ -63,7 +66,9 @@ describe("market-dom-sync", () => {
     expect(
       document.querySelector('[data-market-header-cell="cpSearch"]')
     ).not.toBeNull();
-    expect(document.querySelectorAll("[data-market-row-cell]").length).toBe(16);
+    expect(document.querySelectorAll("[data-market-row-cell]").length).toBe(18);
+    expect(table?.headerSelectionCheckbox).not.toBeNull();
+    expect(table?.rows[0]?.selectionCheckbox).not.toBeNull();
   });
 
   test("renders loading, success, missing, and failed states", () => {
@@ -170,7 +175,11 @@ describe("market-dom-sync", () => {
       throw new Error("Expected market table");
     }
 
+    expect(table.headerSelectionCheckbox).not.toBeNull();
+    expect(table.rows[0]?.selectionCheckbox).not.toBeNull();
     expect(readRightHeaderTexts()).toEqual(["21-60s报价", "操作"]);
+    expect(readSelectionHeaderText()).toBe("全选");
+    expect(readSelectionRowCheckboxCount()).toBe(2);
     expect(readPluginHeaderTexts()).toEqual([
       "单视频看后搜率",
       "个人视频看后搜率",
@@ -926,6 +935,18 @@ function readScrollHintText() {
   );
 }
 
+function readSelectionHeaderText() {
+  return (
+    document
+      .querySelector('[data-market-header-cell="selection"]')
+      ?.textContent?.trim() ?? ""
+  );
+}
+
+function readSelectionRowCheckboxCount() {
+  return document.querySelectorAll('[data-market-selection-checkbox="row"]').length;
+}
+
 function readAuthorNames() {
   const authorColumn = document.querySelector(
     '[data-testid="author-section"] .content-column'