diff --git a/app/views/student_work/_add_score.html.erb b/app/views/student_work/_add_score.html.erb
index a2137d103..ca580bebc 100644
--- a/app/views/student_work/_add_score.html.erb
+++ b/app/views/student_work/_add_score.html.erb
@@ -7,8 +7,9 @@
     <p id="hint_message_<%=work.id %>" style="margin-left: 65px;"></p>
     <li >
       <span class="tit_fb mt2"> 评分：</span>
-      <input type="number" name="score" id="score_<%= work.id%>" value="<%= score.nil? ? 0 : score.score%>" min="0" max="100" size="4" data-units="dollars" />
-      <span class=" ml5">分</span>
+      <input type="number" name="score" id="score_<%= work.id%>" value="<%= score.nil? ? -1 : score.score%>" min="-1" max="100" size="4" data-units="dollars" />
+      <span class="ml5">分</span>
+      <span id="score_notice_span_<%= work.id%>" class="ml5 c_red" style="display: none;">未评分</span>
       <div class="cl"></div></li>
     <li >
       <% if @is_teacher%> <!-- 老师才可以上传批阅结果 -->
@@ -16,6 +17,8 @@
           <div>
             <%= render :partial => 'student_work/student_work_attachment_form', :locals => {:work => work,:score => score} %>
           </div>
+          <div class="cl"></div>
+          <span class="c_red ml5" style="display: none;" id="none_notice_<%= work.id%>">评语、评分、批阅结果至少有一个不为空。</span>
       <%end%>
       <a href="javascript:void(0);" id="work_submit_<%= work.id %>" class="blue_n_btn fr evaluation_submit" onclick="score_submit('<%=work.id %>');">提交</a>
       <div class="cl"></div>
@@ -28,12 +31,29 @@
                 $('#hint_message_'+id).html("为了对其他学生的作品负责，请您务必填写评语");
                 $("#hint_message_"+id).css('color','#ff0000');
                 $("#score_comment_"+id).focus();
-            } else {
+            } else if (parseFloat($("#score_"+id).val()) == -1) {
+                $('#score_notice_span_'+id).html("请先评分");
+                $('#score_notice_span_'+id).show();
+                $("#score_"+id).focus();
+            }
+            else {
                 $("#work_submit_"+id).parent().parent().submit();
                 $('#about_hwork_'+id).html('');
             }
         <% else %>
-            $("#work_submit_"+id).parent().parent().submit();
+            if($.trim($('#score_comment_'+id).val()) == "" && parseFloat($("#score_"+id).val()) == -1 && $("#attachments_fields"+id).children().length == 0){
+                $("#none_notice_"+id).show();
+            } else if(parseFloat($("#score_"+id).val()) == -1) {
+                $('#ajax-modal').html('<%= escape_javascript(render :partial => 'student_work/no_teacher_score_notice') %>');
+                showModal('ajax-modal', '450px');
+                $('#ajax-modal').siblings().remove();
+                $('#ajax-modal').before("<span style='float: right;cursor:pointer;'>" +
+                        "<a href='javascript:' onclick='clickCanel();'><img src='/images/bid/close.png' width='26px' height='26px' /></a></span>");
+                $('#ajax-modal').parent().css("top","30%").css("left","30%").css("position","fixed").css("border","3px solid #269ac9");
+            }
+            else {
+                $("#work_submit_" + id).parent().parent().submit();
+            }
         <% end %>
     }
 </script>
\ No newline at end of file
diff --git a/app/views/student_work/_no_teacher_score_notice.html.erb b/app/views/student_work/_no_teacher_score_notice.html.erb
new file mode 100644
index 000000000..12b3025a9
--- /dev/null
+++ b/app/views/student_work/_no_teacher_score_notice.html.erb
@@ -0,0 +1,15 @@
+<div id="popbox02">
+  <div class="ni_con">
+    <p>
+      当前作品未进行评分，是否确定提交？
+    </p>
+    <div class="ni_btn">
+      <a href="javascript:" class="tijiao" onclick="clickOK('<%= forbidden_anonymous_comment_student_work_path(:homework=>@homework, :user_activity_id => user_activity_id, :course_activity => course_activity)%>');" style="margin-bottom: 20px;" >
+        确&nbsp;&nbsp;定
+      </a>
+      <a href="javascript:" class="tijiao" onclick="clickCanel();" style="margin-bottom: 20px;">
+        取&nbsp;&nbsp;消
+      </a>
+    </div>
+  </div>
+</div>
\ No newline at end of file
diff --git a/public/javascripts/course.js b/public/javascripts/course.js
index 4e698e6f2..cdaf8866a 100644
--- a/public/javascripts/course.js
+++ b/public/javascripts/course.js
@@ -1057,10 +1057,26 @@ $.fn.peSlider = function(settings){
                 max: parseFloat(input.attr('max')),
                 value: parseFloat(input.val())
             });
+            if(parseFloat(input.val()) == -1){
+                input.css("color", "#fff");
+                input.next().next().html("未评分");
+                input.next().next().show();
+            } else{
+                input.css("color", "#000");
+                input.next().next().hide();
+            }
             slider
                 .insertBefore(input)
                 .slider(sliderOptions)
                 .bind('slide', function(e, ui){
+                    if(ui.value == -1){
+                        input.css("color", "#fff");
+                        input.next().next().html("未评分");
+                        input.next().next().show();
+                    } else {
+                        input.css("color", "#000");
+                        input.next().next().hide();
+                    }
                     input.val(ui.value);
                     friendlyVal = input.val() + ' ' + thisUnits;
                     slider.find('a').attr({
@@ -1081,6 +1097,14 @@ $.fn.peSlider = function(settings){
                 .keyup(function(){
                     var inVal = parseFloat(input.val());
                     if( !isNaN(inVal) ){
+                        if(inVal == -1){
+                            input.css("color", "#fff");
+                            input.next().next().html("未评分");
+                            input.next().next().show();
+                        } else {
+                            input.css("color", "#000");
+                            input.next().next().hide();
+                        }
                         slider.slider('value', inVal);
                         input.val(slider.slider('value'));
                     }
@@ -1088,6 +1112,14 @@ $.fn.peSlider = function(settings){
                 .change(function(){
                     var inVal = parseFloat(input.val());
                     if( !isNaN(inVal) ){
+                        if(inVal == -1){
+                            input.css("color", "#fff");
+                            input.next().next().html("未评分");
+                            input.next().next().show();
+                        } else {
+                            input.css("color", "#000");
+                            input.next().next().hide();
+                        }
                         slider.slider('value', inVal);
                         input.val(slider.slider('value'));
                     }
@@ -1095,7 +1127,15 @@ $.fn.peSlider = function(settings){
                 .blur(function(){
                     var inVal = parseFloat(input.val());
                     if( isNaN(inVal) ){
-                        input.val(0);
+                        input.val(-1);
+                    }
+                    if(input.val() == -1){
+                        input.css("color", "#fff");
+                        input.next().next().html("未评分");
+                        input.next().next().show();
+                    } else {
+                        input.css("color", "#000");
+                        input.next().next().hide();
                     }
                 });
             if( !settings.step ){