diff --git a/src/case/combo/bubblecombo/combo.bubble.js b/src/case/combo/bubblecombo/combo.bubble.js
index bd355055ea..88e050a9f6 100644
--- a/src/case/combo/bubblecombo/combo.bubble.js
+++ b/src/case/combo/bubblecombo/combo.bubble.js
@@ -6,7 +6,7 @@
  */
 BI.BubbleCombo = BI.inherit(BI.Widget, {
     _const: {
-        TRIANGLE_LENGTH: 6
+        TRIANGLE_LENGTH: 9
     },
     _defaultConfig: function () {
         return BI.extend(BI.BubbleCombo.superclass._defaultConfig.apply(this, arguments), {
diff --git a/src/less/base/combo/combo.bubble.less b/src/less/base/combo/combo.bubble.less
index e6e7a5aa80..b8ca94ed17 100644
--- a/src/less/base/combo/combo.bubble.less
+++ b/src/less/base/combo/combo.bubble.less
@@ -28,8 +28,6 @@
   & .bubble-combo-triangle-left, & .bubble-combo-triangle-right, & .bubble-combo-triangle-top, & .bubble-combo-triangle-bottom {
     &:before {
       background-color: @color-bi-background-default;
-      border-bottom: 1px solid @border-color-light-line;
-      border-right: 1px solid @border-color-light-line;
     }
   }
 }
diff --git a/src/less/base/combo/popup.bubble.less b/src/less/base/combo/popup.bubble.less
index 939c501ce0..fb85dcae0d 100644
--- a/src/less/base/combo/popup.bubble.less
+++ b/src/less/base/combo/popup.bubble.less
@@ -2,6 +2,7 @@
 
 .bi-bubble-popup-view {
   .box-shadows(0px 9px 28px 8px rgba(0, 0, 0, 0.05), 0px 6px 16px 0px rgba(0, 0, 0, 0.08), 0px 3px 6px -4px rgba(0, 0, 0, 0.12));
+  .border-radius(4px);
 
   // 只去掉bubble-popup子元素的阴影
   &.bi-popup-view > .list-view-shadow {
diff --git a/src/less/visual.less b/src/less/visual.less
index 241c1cc6ea..cebb0eb61d 100644
--- a/src/less/visual.less
+++ b/src/less/visual.less
@@ -200,73 +200,77 @@
 .triangle-top() {
   position: absolute;
   width: 16px;
-  height: 6px;
+  height: 9px;
   //虽然position:absolute使得:before的display属性为block,但是其仍然受到祖先text-align:center的影响，这边重置掉
   text-align: left;
 
   &:before {
     position: absolute;
-    width: 6px;
-    height: 6px;
+    width: 9px;
+    height: 9px;
     margin-left: 4px;
-    margin-top: 2px;
+    margin-top: 5px;
     content: "";
     transform: rotate(-135deg);
+    .box-shadow(3px 3px 10px 0,  rgba(0, 0, 0, 0.06));
   }
 }
 
 .triangle-bottom() {
   position: absolute;
   width: 16px;
-  height: 6px;
+  height: 9px;
   //虽然position:absolute使得:before的display属性为block,但是其仍然受到祖先text-align:center的影响，这边重置掉
   text-align: left;
 
   &:before {
     position: absolute;
-    width: 6px;
-    height: 6px;
+    width: 9px;
+    height: 9px;
     margin-left: 4px;
-    margin-top: -3px;
+    margin-top: -5px;
     content: "";
     transform: rotate(45deg);
+    .box-shadow(3px 3px 10px 0,  rgba(0, 0, 0, 0.07));
   }
 
 }
 
 .triangle-left() {
   position: absolute;
-  width: 6px;
+  width: 9px;
   height: 16px;
   //虽然position:absolute使得:before的display属性为block,但是其仍然受到祖先text-align:center的影响，这边重置掉
   text-align: left;
 
   &:before {
     position: absolute;
-    width: 6px;
-    height: 6px;
-    margin-left: 2px;
-    margin-top: 3px;
+    width: 9px;
+    height: 9px;
+    margin-left: 5px;
+    margin-top: 4px;
     content: "";
     transform: rotate(135deg);
+    .box-shadow(3px 3px 10px 0,  rgba(0, 0, 0, 0.06));
   }
 }
 
 .triangle-right() {
   position: absolute;
-  width: 6px;
+  width: 9px;
   height: 16px;
   //虽然position:absolute使得:before的display属性为block,但是其仍然受到祖先text-align:center的影响，这边重置掉
   text-align: left;
 
   &:before {
     position: absolute;
-    width: 6px;
-    height: 6px;
-    margin-left: -3px;
+    width: 10px;
+    height: 10px;
+    margin-left: -5px;
     margin-top: 4px;
     content: "";
     transform: rotate(-45deg);
+    .box-shadow(3px 3px 10px 0,  rgba(0, 0, 0, 0.07));
   }
 }