diff --git a/app/views/student_work/_add_score.html.erb b/app/views/student_work/_add_score.html.erb
index 8dfc0a171..e051a4d99 100644
--- a/app/views/student_work/_add_score.html.erb
+++ b/app/views/student_work/_add_score.html.erb
@@ -25,6 +25,7 @@
     </li>
 <% end%>
 <script type="text/javascript">
+  var first_click_score = true;
     function score_submit(id){
         <% if !@is_teacher %>
             if ($.trim($('#score_comment_'+id).val()) == "") {
@@ -36,7 +37,8 @@
                 $('#score_notice_span_'+id).show();
                 $("#score_"+id).focus();
             }
-            else {
+            else if(first_click_score) {
+                first_click_score = false;
                 $("#work_submit_"+id).parent().parent().submit();
                 $('#about_hwork_'+id).html('');
             }
@@ -52,13 +54,17 @@
                     }
                 });
             }
-            else {
+            else if(first_click_score) {
+                first_click_score = false;
                 $("#work_submit_" + id).parent().parent().submit();
             }
         <% end %>
     }
     function submit_teacher_score(id){
-        $("#work_submit_"+id).parent().parent().submit();
-        hideModal();
+        if (first_click_score) {
+            first_click_score = false;
+            $("#work_submit_"+id).parent().parent().submit();
+            hideModal();
+        }
     }
 </script>
\ No newline at end of file