From c695093eae22b98a2a57fb529e086afa679af7be Mon Sep 17 00:00:00 2001
From: guy <guy@finereport.com>
Date: Mon, 21 Sep 2020 19:44:28 +0800
Subject: [PATCH] bugfix

---
 src/less/base/combo/combo.bubble.less | 6 +++++-
 src/less/base/single/tip/tip.less     | 6 +++++-
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/less/base/combo/combo.bubble.less b/src/less/base/combo/combo.bubble.less
index 0bb3f90063..5de59abe1a 100644
--- a/src/less/base/combo/combo.bubble.less
+++ b/src/less/base/combo/combo.bubble.less
@@ -3,6 +3,10 @@
 .bi-bubble-combo {
   & .button-combo-triangle-wrapper {
     position: fixed !important;
+    // -ms-device-fixed >= IE11
+    // 与fixed表现形式一致，区别在于浏览器缩放的时候，-ms-device-fixed的元素不受其影响，而fixed的元素受其影响
+    // 最重要的是-ms-device-fixed解决了IE11下的残影问题
+    position: -ms-device-fixed !important;
     // 消除祖先节点设置的line-height:normal对空白节点的行高影响
     line-height: 0;
     .z-index-layer(@zIndex-popup);
@@ -44,4 +48,4 @@
       }
     }
   }
-}
\ No newline at end of file
+}
diff --git a/src/less/base/single/tip/tip.less b/src/less/base/single/tip/tip.less
index 9584442a85..d2862afc7f 100644
--- a/src/less/base/single/tip/tip.less
+++ b/src/less/base/single/tip/tip.less
@@ -3,4 +3,8 @@
 
 .bi-tip{
   position: fixed !important;
-}
\ No newline at end of file
+  // -ms-device-fixed >= IE11
+  // 与fixed表现形式一致，区别在于浏览器缩放的时候，-ms-device-fixed的元素不受其影响，而fixed的元素受其影响
+  // 最重要的是-ms-device-fixed解决了IE11下的残影问题
+  position: -ms-device-fixed !important;
+}