diff --git a/src/hands.html b/src/hands.html
index 35d38ae..66737d5 100644
--- a/src/hands.html
+++ b/src/hands.html
@@ -12,7 +12,14 @@
 <div class="container">
     <canvas class="output_canvas" width="1280px" height="720px"></canvas>
 </div>
+<button id="clean" onclick="clean()">清空</button>
 <div id="txtHint"></div>
+<script>
+    function clean() {
+        var obj = document.getElementById("txtHint");
+        obj.innerHTML="";
+    }
+</script>
 <script type="module">
     function ajax(str) {
         var xmlhttp;
@@ -27,11 +34,13 @@
         {
             if (xmlhttp.readyState==4 && xmlhttp.status==200)
             {
-                document.getElementById("txtHint").innerHTML+=xmlhttp.responseText;
+                var xml = xmlhttp.responseText
+                xml = xml.slice(33,xml.length-2);
+                document.getElementById("txtHint").innerHTML+=xml;
                 num=0
             }
         }
-        xmlhttp.open("GET","/trans?="+str,true)
+        xmlhttp.open("GET","/trans?str="+str,true)
         xmlhttp.send();
     }