diff --git a/app/views/users/show_homework_detail.js.erb b/app/views/users/show_homework_detail.js.erb
index cbb0cf057..b3dff264a 100644
--- a/app/views/users/show_homework_detail.js.erb
+++ b/app/views/users/show_homework_detail.js.erb
@@ -3,5 +3,5 @@
     $("#choose_courses_notice").html("");
 <% else %>
     var htmlvalue = "<%= escape_javascript(render :partial => 'users/homework_repository_detail') %>";
-    pop_box_new(htmlvalue,820,155);
+    pop_box_new(htmlvalue,820,800);
 <% end %>
\ No newline at end of file
diff --git a/public/javascripts/application.js b/public/javascripts/application.js
index 460e52e36..632e4ab49 100644
--- a/public/javascripts/application.js
+++ b/public/javascripts/application.js
@@ -1495,7 +1495,7 @@ function pop_up_box(value,tWidth,tTop,tLeft){
 // 公共弹框样式
 function pop_box_new(value, Width, Height){
     w = ($(window).width() - Width)/2;
-    h = ($(window).height() - Height)/2 - 100;
+    h = ($(window).height() - Height)/2;
     $("#ajax-modal").html(value);
     showModal('ajax-modal', Width + 'px');
     $('#ajax-modal').siblings().remove();