diff --git a/apps/common/main/resources/less/synchronize-tip.less b/apps/common/main/resources/less/synchronize-tip.less
index df5b141c9..b018a7aff 100644
--- a/apps/common/main/resources/less/synchronize-tip.less
+++ b/apps/common/main/resources/less/synchronize-tip.less
@@ -9,16 +9,19 @@
     }
 
     &.right {
-        margin: -32px 0 0 15px;
+        margin: 0 0 0 15px;
 
         .tip-arrow {
             left: -15px;
-            top: 20px;
-            width: 15px;
-            height: 30px;
+            top: 0;
+            width: 16px;
+            height: 15px;
+            .box-shadow(0 -5px 8px -5px rgba(0, 0, 0, 0.2));
+
             &:after {
-                top: 5px;
-                left: 8px;
+                top: -7px;
+                left: 6px;
+                width: 16px;
             }
         }
     }
@@ -42,13 +45,15 @@
         margin: 0 -32px 15px 0;
 
         .tip-arrow {
-            right: 15px;
+            right: 0;
             bottom: -15px;
-            width: 30px;
+            width: 15px;
             height: 15px;
+            .box-shadow(5px 0 8px -5px rgba(0, 0, 0, 0.2));
+
             &:after {
                 top: -8px;
-                left: 5px;
+                left: 8px;
             }
         }
     }
@@ -60,6 +65,14 @@
     background-color: #fcfed7;
     overflow: visible;
 
+    .right & {
+        border-top-left-radius: 0;
+    }
+
+    .top & {
+        border-bottom-right-radius: 0;
+    }
+
     .box-shadow(0 4px 15px -2px rgba(0, 0, 0, 0.5));
     font-size: 11px;
 }