diff --git a/coinmanager/coinc/static/coinc/main.js b/coinmanager/coinc/static/coinc/main.js
index 5ccf1cb..5c6e026 100644
--- a/coinmanager/coinc/static/coinc/main.js
+++ b/coinmanager/coinc/static/coinc/main.js
@@ -31,11 +31,29 @@ let settings = {
     exists:       true
 }
 
+
 //
 // Functions
 //
 
-// return a datetime YYYY.MM.DD
+/* return escaped html */
+function escape_html (string) {
+    let entity_map = {
+        '&': '&',
+        '<': '&lt;',
+        '>': '&gt;',
+        '"': '&quot;',
+        "'": '&#39;',
+        '/': '&#x2F;',
+        '`': '&#x60;',
+        '=': '&#x3D;'
+    };
+    return String(string).replace(/[&<>"'`=\/]/g, function (s) {
+        return entity_map[s];
+    });
+}
+
+/* return a datetime YYYY.MM.DD */
 function get_datetime() {
     let datetime = new Date();
     return ('0' +  datetime.getDate()).slice(-2)       + '.' +
@@ -132,12 +150,13 @@ function render_response(data, td, set) {
 
         /* add/update name */
         if ('name' in data) {
+            let name = escape_html(data['name']);
             let c = String(value).substring(2,3);
             let div_special_name = $(td).find('div.special' + c + '_name');
             if (div_special_name.length == 0) {
-                $(td).append('<div class="special' + c + '_name three_lines">' + data['name'] + '</div>');
+                $(td).append('<div class="special' + c + '_name three_lines">' + name + '</div>');
             } else if (div_special_name.length == 1) {
-                div_special_name.html(data['name']);
+                div_special_name.html(name);
             }
         }
     }
@@ -250,7 +269,7 @@ $(document).ready(function() {
                     let data = args['data'];
                     let td = args['td'];
                     if (response) {
-                        data['name'] = response['name'];
+                        data['name'] = response['name'].trim().substring(0, 79);
                     }
                     $.ajax({
                         type:     'POST',
diff --git a/coinmanager/coinc/static/coinc/styles.css b/coinmanager/coinc/static/coinc/styles.css
index b04a3aa..44b02a6 100644
--- a/coinmanager/coinc/static/coinc/styles.css
+++ b/coinmanager/coinc/static/coinc/styles.css
@@ -145,7 +145,7 @@ div.two_lines {
 div.special1_name, div.special2_name, div.special3_name {
   display:     none;
   height:      40px;
-  width:       150px;
+  width:       146px;
   font-size:   1rem;
   font-weight: 400;
   line-height: 40px;