From c486970d507ae7796af2c2804a7e18d8d0f6494b Mon Sep 17 00:00:00 2001
From: zsmj <zsmj1994@gmail.com>
Date: Sat, 10 Dec 2022 14:20:58 +0800
Subject: [PATCH] =?UTF-8?q?KERNEL-11877=20feat:=20direction:bottom?=
 =?UTF-8?q?=E5=92=8Cdirection:top=E7=A9=BA=E9=97=B4=E4=B8=8D=E5=A4=9F?=
 =?UTF-8?q?=E6=97=B6=E7=9A=84=E8=B0=83=E6=95=B4=E9=80=BB=E8=BE=91?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/core/platform/web/dom.js | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/core/platform/web/dom.js b/src/core/platform/web/dom.js
index d45ccc3b2..66e970b56 100644
--- a/src/core/platform/web/dom.js
+++ b/src/core/platform/web/dom.js
@@ -384,11 +384,11 @@
             if (BI.DOM.isTopSpaceEnough(combo, popup, -1 * comboBounds.height + extraHeight)) {
                 top = comboOffset.top + comboBounds.height - containerBounds.top - popupBounds.height;
             } else if (needAdaptHeight) {
-                top = 0;
-                adaptHeight = comboOffset.top + comboBounds.height - extraHeight;
+                top = 0 - containerBounds.top;
+                adaptHeight = comboBounds.top + comboBounds.height - extraHeight;
             } else if (BI.DOM.isBottomSpaceEnough(combo, popup, -1 * comboBounds.height + extraHeight)) {
                 // 上方空间不足且不允许调整高度的情况下，优先使用下对齐
-                top = comboOffset.top + extraHeight;
+                top = comboOffset.top - containerBounds.top + extraHeight;
                 dir = "bottom";
             } else {
                 top = 0;
@@ -396,7 +396,7 @@
                     adaptHeight = windowBounds.height - extraHeight;
                 }
             }
-            if (top < 0) {
+            if (top + containerBounds.top < 0) {
                 top = 0;
             }
             return adaptHeight ? {