diff --git a/static/css/common.css b/static/css/common.css
index 141fecf..c2768f8 100644
--- a/static/css/common.css
+++ b/static/css/common.css
@@ -411,7 +411,9 @@
 }
 .kefuFuncBox{
     position: absolute;
-    bottom: 64px;
+    bottom: 0px;
     width: 100%;
+    padding-bottom: 10px;
+    background: #fff;
 }
 .clear{clear:both;}
\ No newline at end of file
diff --git a/static/html/chat_main.html b/static/html/chat_main.html
index fd43956..16ab33a 100644
--- a/static/html/chat_main.html
+++ b/static/html/chat_main.html
@@ -27,7 +27,7 @@
         }
         .chatBoxMe .el-col-3{float: right;text-align: right;}
         .chatBoxMe .chatUser{text-align: right}
-        .chatBox{width: 100%;height:380px;overflow-y: auto;overflow-x: hidden;}
+        .chatBox{width: 100%;height:calc(100% - 175px);;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;}
     </style>
diff --git a/static/html/main.html b/static/html/main.html
index ed55739..c818733 100644
--- a/static/html/main.html
+++ b/static/html/main.html
@@ -41,7 +41,7 @@
         }
         .mainIframe{
             width: 100%;
-            height: 100%;
+            height:  calc(100% - 60px);
         }
         .el-card__body{
             cursor: pointer;