diff --git a/static/css/common.css b/static/css/common.css
index 1e683ae..ada3d0a 100644
--- a/static/css/common.css
+++ b/static/css/common.css
@@ -89,4 +89,17 @@
     margin: -1px 0 0 -1px;
     padding: 4px 2px;
     text-align: center;
-}
\ No newline at end of file
+}
+
+@-webkit-keyframes bounce-up {
+    25% {-webkit-transform: translateY(10px);}
+    50%, 100% {-webkit-transform: translateY(0);}
+    75% {-webkit-transform: translateY(-10px);}
+}
+
+@keyframes bounce-up {
+    25% {transform: translateY(10px);}
+    50%, 100% {transform: translateY(0);}
+    75% {transform: translateY(-10px);}
+}
+.animate-bounce-up{ -webkit-animation: bounce-up 1.4s linear infinite;animation: bounce-up 1.4s linear infinite;}
\ No newline at end of file
diff --git a/static/css/gofly-front.css b/static/css/gofly-front.css
index 317de98..889103d 100644
--- a/static/css/gofly-front.css
+++ b/static/css/gofly-front.css
@@ -46,4 +46,17 @@
     white-space: nowrap!important;
     padding: 0!important;
     transition: .6s ease-in-out!important;
-}
\ No newline at end of file
+}
+
+@-webkit-keyframes bounce-up {
+    25% {-webkit-transform: translateY(6px);}
+    50%, 100% {-webkit-transform: translateY(0);}
+    75% {-webkit-transform: translateY(-6px);}
+}
+
+@keyframes bounce-up {
+    25% {transform: translateY(6px);}
+    50%, 100% {transform: translateY(0);}
+    75% {transform: translateY(-6px);}
+}
+.animateUpDown{ -webkit-animation: bounce-up 1.4s linear infinite;animation: bounce-up 1.4s linear infinite;}
\ No newline at end of file
diff --git a/static/html/index.html b/static/html/index.html
index 3da68dd..1472c1c 100644
--- a/static/html/index.html
+++ b/static/html/index.html
@@ -161,7 +161,7 @@
 <script src="https://cdn.jsdelivr.net/npm/jquery/dist/jquery.min.js"></script>
 <script src="https://cdn.bootcdn.net/ajax/libs/layer/3.1.1/layer.min.js"></script>
 <link href="/static/css/gofly-front.css" rel="stylesheet" type="text/css"/>
-<div id="launchButton" class="launchButton">
+<div id="launchButton" class="launchButton animateUpDown">
     <svg x="0px" y="0px" viewBox="0 0 27 21.9" aria-labelledby="title desc" role="img" class="xhl-launch-button-svg"><title>Chat Icon </title><desc>three small dots to indicate that an agent is available to chat</desc><path fill="#ffffff" d="M23.2,0L2.6,1.7C1,1.9,0,3.2,0,4.9v8c0,1.6,0.8,3,2.4,3.1l5.3,0.5c0,0,1,1.6,0.3,3.2C7.2,21.3,6,21.9,6,21.9 c4.2,0,6.6-3.1,7.8-4.9l9.4,0.7c1.8,0.2,3.8-1.3,3.8-3.1V3.1C27,1.3,25-0.1,23.2,0z M6.4,10.1c-0.9,0-1.7-0.7-1.7-1.7 c0-0.9,0.7-1.7,1.7-1.7C7.3,6.8,8,7.5,8,8.5C8,9.4,7.3,10.1,6.4,10.1z M13.2,10.1c-0.9,0-1.7-0.7-1.7-1.7c0-0.9,0.7-1.7,1.7-1.7 c0.9,0,1.7,0.7,1.7,1.7C14.8,9.4,14.1,10.1,13.2,10.1z M19.9,10.1c-0.9,0-1.7-0.7-1.7-1.7c0-0.9,0.7-1.7,1.7-1.7 c0.9,0,1.7,0.7,1.7,1.7C21.6,9.4,20.9,10.1,19.9,10.1z"></path></svg>
     <div class="launchButtonText">
         Chat with us
diff --git a/tools/sorts.go b/tools/sorts.go
index 9a9e031..1d49495 100644
--- a/tools/sorts.go
+++ b/tools/sorts.go
@@ -24,4 +24,29 @@ func QuickSort(arr *[]int,left int,right int){
 	privot:=partition(arr,left,right)
 	QuickSort(arr,left,privot-1)
 	QuickSort(arr,privot+1,right)
+}
+//快速排序2
+func QuickSort2(arr *[]int,left int,right int){
+	if left>= right{
+		return
+	}
+	privot:=(*arr)[left]
+	i:=left
+	j:=right
+	for i<j{
+		for i<j && (*arr)[j]>privot{
+			j--
+		}
+		for i<j && (*arr)[i]<=privot{
+			i++
+		}
+		temp:=(*arr)[i]
+		(*arr)[i]=(*arr)[j]
+		(*arr)[j]=temp
+	}
+	(*arr)[left]=(*arr)[i]
+	(*arr)[i]=privot
+
+	QuickSort(arr,left,i-1)
+	QuickSort(arr,i+1,right)
 }
\ No newline at end of file
diff --git a/tools/sorts_test.go b/tools/sorts_test.go
index 75f0854..a198928 100644
--- a/tools/sorts_test.go
+++ b/tools/sorts_test.go
@@ -5,8 +5,14 @@ import (
 )
 
 func TestQuickSort(t *testing.T) {
-	arr:=[]int{1,8,3,9,4,5,4,7}
+	arr:=[]int{6,8,3,9,4,5,4,7}
 	t.Log(arr)
 	QuickSort(&arr,0,len(arr)-1)
 	t.Log(arr)
 }
+func TestQuickSort2(t *testing.T) {
+	arr:=[]int{6,8,3,9,4,5,4,7}
+	t.Log(arr)
+	QuickSort2(&arr,0,len(arr)-1)
+	t.Log(arr)
+}