diff --git a/static/css/common.css b/static/css/common.css
index 08505c5..d9085c3 100644
--- a/static/css/common.css
+++ b/static/css/common.css
@@ -285,10 +285,12 @@
     text-align: left;
     position: relative;
     margin-bottom: 105px;
+    background: rgb(245,245,245);
 }
 .chatBox{
     /*overflow-y: auto;*/
     overflow-x: hidden;
+    background: rgb(245,245,245);
     /*margin-bottom: 80px;*/
 }
 .chatVisitorPage .chatBox{
@@ -304,9 +306,9 @@
     text-align: left;
 }
 .chatContent{
-    background-color: rgb(166,212,242);
+    background-color: rgb(255,255,255);
     color: #000;
-    border: 1px solid rgb(152, 199, 230);
+    border: 1px solid rgb(237,237,237);
     padding: 8px 15px;
     word-break: break-all;
     position: relative;
@@ -315,25 +317,42 @@
     margin-left: 6px;
 }
 .chatContent a{color: #07a9fe;text-decoration: none;}
-.chatContent:after {
-    content: '';
+.chatContent:before,.chatContent:after {
+    content: "";
+    display: block;
     position: absolute;
-    left: -10px;
-    top: 13px;
-    width: 0;
+    width:0;
     height: 0;
-    border-style: dashed;
-    border-color: transparent;
-    overflow: hidden;
-    border-width: 10px;
-    border-top-style: solid;
-    border-top-color: rgb(166,212,242);
+    border: 6px solid transparent;
+    border-right-color: rgba(255,255,255,1);
+    left: -11px;
+    top: 10px;
+    z-index:1;
 }
+.chatContent:after {
+    left: -12px;
+    border-right-color: rgb(237,237,237);
+    z-index:0;
+}
+/*.chatContent:after {*/
+/*    content: '';*/
+/*    position: absolute;*/
+/*    left: -10px;*/
+/*    top: 13px;*/
+/*    width: 0;*/
+/*    height: 0;*/
+/*    border-style: dashed;*/
+/*    border-color: transparent;*/
+/*    overflow: hidden;*/
+/*    border-width: 10px;*/
+/*    border-top-style: solid;*/
+/*    border-top-color: rgb(255,255,255);*/
+/*}*/
 .chatBoxMe .chatContent{float: right;background-color: rgb(152,225,101);border: 1px solid rgb(145, 215, 96);}
-.chatBoxMe .chatContent:after{border-top-color: rgb(152,225,101);}
+.chatBoxMe .chatContent:after{border-left-color: rgba(152,225,101,1);border-right:none;left:auto;right: -5px;}
+.chatBoxMe .chatContent:before{border-left-color: rgb(152,225,101);border-right:none;right: -5px;left: auto;}
 .chatBoxMe .el-col-3{float: right;text-align: right;}
 .chatBoxMe .chatUser{text-align: right}
-.chatBoxMe .chatContent:after{left:auto;right: -10px;}
 .chatArea{float: left;width: 85%;margin: 4px 0 0 4px;}
 .chatArea .el-textarea__inner{padding: 1px 5px}
 .btnArea{width: 10%;float: right;}
@@ -345,7 +364,7 @@
 }
 
 .chatTitle{height: 30px;line-height: 30px;color: #1989fa}
-.chatBoxSend{background: #f5f5f5;position: fixed;bottom: 0px;width: 100%;height: 105px;max-width: 800px;}
+.chatBoxSend{background: #fff;position: fixed;bottom: 0px;width: 100%;height: 105px;max-width: 800px;z-index: 99;}
 .chatBoxSendBtn{float: right;margin: 12px 4px 0 0;}
 .footContact{text-align: center;}
 .footContact a{font-size: 12px;color: #999;text-decoration: none;}
diff --git a/static/html/chat_main.html b/static/html/chat_main.html
index c3d7c80..408cb39 100644
--- a/static/html/chat_main.html
+++ b/static/html/chat_main.html
@@ -25,37 +25,8 @@
             white-space: nowrap;
             color: #999;
         }
-        .chatContent{
-            text-align: left;
-            background-color: rgb(166,212,242);
-            color: #000;
-            border: 1px solid rgb(152, 199, 230);
-            padding: 8px 15px;
-            min-height: 26px;
-            word-break: break-all;
-            position: relative;
-            border-radius: 5px;
-            display: inline-block;
-        }
-        .chatContent:after {
-            content: '';
-            position: absolute;
-            left: -10px;
-            top: 13px;
-            width: 0;
-            height: 0;
-            border-style: dashed;
-            border-color: transparent;
-            overflow: hidden;
-            border-width: 10px;
-            border-top-style: solid;
-            border-top-color: rgb(166,212,242);
-        }
-        .chatBoxMe .chatContent{float: right;background-color: rgb(152,225,101);border: 1px solid rgb(145, 215, 96);}
-        .chatBoxMe .chatContent:after{border-top-color: rgb(152,225,101);}
         .chatBoxMe .el-col-3{float: right;text-align: right;}
         .chatBoxMe .chatUser{text-align: right}
-        .chatBoxMe .chatContent:after{left:auto;right: -10px;}
         .chatBox{height: 340px;overflow-y: auto;overflow-x: hidden;}
         .chatTime{text-align: center;color: #bbb;margin: 5px 0;font-size: 12px;}
         .funcBtns{margin: 2px 0px;color: #7f7f7f;border-bottom: 1px solid #e6e6e6;font-size: 12px;padding: 5px 0px;}