diff --git a/app/src/protyle/scroll/index.ts b/app/src/protyle/scroll/index.ts
index f1dcd88a0..a70224cd4 100644
--- a/app/src/protyle/scroll/index.ts
+++ b/app/src/protyle/scroll/index.ts
@@ -67,6 +67,7 @@ export class Scroll {
             return;
         }
         protyle.wysiwyg.element.setAttribute("data-top", protyle.wysiwyg.element.scrollTop.toString());
+        protyle.contentElement.style.overflow = "hidden";
         fetchPost("/api/filetree/getDoc", {
             index: parseInt(this.inputElement.value),
             id: protyle.block.parentID,
@@ -78,6 +79,9 @@ export class Scroll {
                 protyle,
                 action: [Constants.CB_GET_FOCUSFIRST, Constants.CB_GET_UNCHANGEID],
                 afterCB: () => {
+                    setTimeout(() => {
+                        protyle.contentElement.style.overflow = "";
+                    }, Constants.TIMEOUT_INPUT);    // 需和 onGet 中的 preventScroll 保持一致
                     showTooltip(this.element.getAttribute("aria-label"), this.element);
                 }
             });
diff --git a/app/src/protyle/util/onGet.ts b/app/src/protyle/util/onGet.ts
index 4d43888a5..988025301 100644
--- a/app/src/protyle/util/onGet.ts
+++ b/app/src/protyle/util/onGet.ts
@@ -210,7 +210,7 @@ const setHTML = (options: {
     if (options.action.includes(Constants.CB_GET_FOCUSFIRST)) {
         // settimeout 时间需短一点，否则定位后快速滚动无效
         const headerHeight = protyle.wysiwyg.element.offsetTop - 16;
-        preventScroll(protyle, headerHeight, 256);
+        preventScroll(protyle, headerHeight, Constants.TIMEOUT_INPUT);
         protyle.contentElement.scrollTop = headerHeight;
     }
     if (options.isSyncing) {