diff --git a/app/src/assets/scss/component/_menu.scss b/app/src/assets/scss/component/_menu.scss
index 60de8f4a0..bec14a135 100644
--- a/app/src/assets/scss/component/_menu.scss
+++ b/app/src/assets/scss/component/_menu.scss
@@ -169,7 +169,7 @@
   }
 
   &__items {
-    max-height: 80vh;
+    max-height: min(80vh, calc(100vh - 20px - var(--b3-menu-position-top, 0px))); // 20px 是 .b3-menu 的上下 padding
     overflow: auto;
     padding: 0 8px;
   }
diff --git a/app/src/menus/Menu.ts b/app/src/menus/Menu.ts
index 209c91cc7..556644ad1 100644
--- a/app/src/menus/Menu.ts
+++ b/app/src/menus/Menu.ts
@@ -146,6 +146,7 @@ export class Menu {
         this.element.style.zIndex = (++window.siyuan.zIndex).toString();
         this.element.classList.remove("fn__none");
         setPosition(this.element, options.x - (options.isLeft ? this.element.clientWidth : 0), options.y, options.h, options.w);
+        this.element.style.setProperty("--b3-menu-position-top", this.element.style.top);
     }
 
     public fullscreen(position: "bottom" | "all" = "all") {