diff --git a/assets/javascripts/app.js b/assets/javascripts/app.js
index 14a7dc7..4584898 100644
--- a/assets/javascripts/app.js
+++ b/assets/javascripts/app.js
@@ -766,6 +766,20 @@ $(function() {
             $(this).attr("style", newStyle);
           }
         });
+        $(function() {
+            function fixThColspanScope() {
+                setTimeout(function() {
+                    $('th[colspan]').each(function() {
+                        var colspan = parseInt($(this).attr('colspan'), 10);
+                        if (colspan >= 2) {
+                            $(this).attr('scope', 'colgroup');
+                        }
+                    });
+                }, 500);
+            }
+
+            fixThColspanScope();
+        });
         //   //表格scope
         // $("table").each(function() {
         //       $(this).find("tr").each(function(rowIndex) {