diff --git a/app/src/config/exportConfig.ts b/app/src/config/exportConfig.ts
index 9286f5792..7dfc04410 100644
--- a/app/src/config/exportConfig.ts
+++ b/app/src/config/exportConfig.ts
@@ -69,6 +69,13 @@ export const exportConfig = {
         <option value="1" ${window.siyuan.config.export.fileAnnotationRefMode === 1 ? "selected" : ""}>${window.siyuan.languages.export8}</option>
     </select>
 </label>
+<label class="fn__flex b3-label config__item">
+    <div class="fn__flex-1">
+        ${window.siyuan.languages.export21}
+        <div class="b3-label__text">${window.siyuan.languages.export22}</div>
+    </div>
+    <input class="b3-text-field fn__flex-center fn__size200" id="pdfFooter">
+</label>
 <label class="fn__flex b3-label config__item">
     <div class="fn__flex-1">
         ${window.siyuan.languages.export13}
@@ -120,6 +127,7 @@ export const exportConfig = {
 </div>`;
     },
     bindEvent: () => {
+        (exportConfig.element.querySelector("#pdfFooter") as HTMLInputElement).value = window.siyuan.config.export.pdfFooter;
         (exportConfig.element.querySelector("#blockRefTextLeft") as HTMLInputElement).value = window.siyuan.config.export.blockRefTextLeft;
         (exportConfig.element.querySelector("#blockRefTextRight") as HTMLInputElement).value = window.siyuan.config.export.blockRefTextRight;
         (exportConfig.element.querySelector("#tagOpenMarker") as HTMLInputElement).value = window.siyuan.config.export.tagOpenMarker;
@@ -133,6 +141,7 @@ export const exportConfig = {
                 blockRefMode: parseInt((exportConfig.element.querySelector("#blockRefMode") as HTMLSelectElement).value, 10),
                 blockEmbedMode: parseInt((exportConfig.element.querySelector("#blockEmbedMode") as HTMLSelectElement).value, 10),
                 fileAnnotationRefMode: parseInt((exportConfig.element.querySelector("#fileAnnotationRefMode") as HTMLSelectElement).value, 10),
+                pdfFooter: (exportConfig.element.querySelector("#pdfFooter") as HTMLInputElement).value,
                 blockRefTextLeft: (exportConfig.element.querySelector("#blockRefTextLeft") as HTMLInputElement).value,
                 blockRefTextRight: (exportConfig.element.querySelector("#blockRefTextRight") as HTMLInputElement).value,
                 tagOpenMarker: (exportConfig.element.querySelector("#tagOpenMarker") as HTMLInputElement).value,
diff --git a/app/src/types/index.d.ts b/app/src/types/index.d.ts
index c6b89bf0c..22946b50a 100644
--- a/app/src/types/index.d.ts
+++ b/app/src/types/index.d.ts
@@ -311,6 +311,7 @@ declare interface IExport {
     paragraphBeginningSpace: boolean;
     addTitle: boolean;
     markdownYFM: boolean;
+    pdfFooter: string;
 }
 
 declare interface IEditor {