diff --git a/app/views/student_work/_echart_of_shixun_skills.html.erb b/app/views/student_work/_echart_of_shixun_skills.html.erb
index 2902a5d4..a915a1e5 100644
--- a/app/views/student_work/_echart_of_shixun_skills.html.erb
+++ b/app/views/student_work/_echart_of_shixun_skills.html.erb
@@ -1,8 +1,8 @@
 <!--echarts_dev:开发板包含了常见的警告和错误提示，上线版：echarts.min.js -->
 <%= javascript_include_tag '/echart/echarts.min.js' %>
-<div class="fl" style="width: <%= params[:pdf] ? 750 : 810 %>px;height: 580px" id="shixun_skill_chart">
+<div class="fl" style="width: <%= params[:pdf] ? 750 : 820 %>px;height: 580px" id="shixun_skill_chart">
 </div>
-<div class="fl" style="width: <%= params[:pdf] ? 750 : 810 %>px;height: 580px" id="shixun_overall_ablility_chart">
+<div class="fl" style="width: <%= params[:pdf] ? 750 : 820 %>px;height: 580px" id="shixun_overall_ablility_chart">
 </div>
 <script type="text/javascript">
     console.log(<%= @power %>);