diff --git a/app/views/layouts/base.html.erb b/app/views/layouts/base.html.erb
index 96b015bdc..060a1be0a 100644
--- a/app/views/layouts/base.html.erb
+++ b/app/views/layouts/base.html.erb
@@ -25,6 +25,10 @@
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
     MathJax.Hub.Config({
+    HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
     showMathMenu: false,
     showMathMenuMSIE: false,
       tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/base_courses.html.erb b/app/views/layouts/base_courses.html.erb
index 8a99259de..d8a700760 100644
--- a/app/views/layouts/base_courses.html.erb
+++ b/app/views/layouts/base_courses.html.erb
@@ -22,15 +22,19 @@
   <!-- page specific tags -->
   <%= yield :header_tags -%>
   <!-- MathJax的配置 -->
-  <!--<script type="text/javascript"-->
-          <!--src="/javascripts/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML">-->
-  <!--</script>-->
   <script type="text/javascript"
-          src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
+          src="/javascripts/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML">
   </script>
+  <!--<script type="text/javascript"-->
+          <!--src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML">-->
+  <!--</script>-->
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
     MathJax.Hub.Config({
+    HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
     showMathMenu: false,
     showMathMenuMSIE: false,
       tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/base_forums.html.erb b/app/views/layouts/base_forums.html.erb
index eb24c0a6e..047cabe07 100644
--- a/app/views/layouts/base_forums.html.erb
+++ b/app/views/layouts/base_forums.html.erb
@@ -23,6 +23,10 @@
       <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
       <script type="text/x-mathjax-config">
         MathJax.Hub.Config({
+        HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
         showMathMenu: false,
         showMathMenuMSIE: false,
           tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/base_homework.html.erb b/app/views/layouts/base_homework.html.erb
index ff1e210b4..fbf7f7b96 100644
--- a/app/views/layouts/base_homework.html.erb
+++ b/app/views/layouts/base_homework.html.erb
@@ -29,6 +29,10 @@
       <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
       <script type="text/x-mathjax-config">
         MathJax.Hub.Config({
+        HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
         showMathMenu: false,
         showMathMenuMSIE: false,
           tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/base_memos.html.erb b/app/views/layouts/base_memos.html.erb
index 984fd99ab..a34b36891 100644
--- a/app/views/layouts/base_memos.html.erb
+++ b/app/views/layouts/base_memos.html.erb
@@ -23,6 +23,10 @@
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
         MathJax.Hub.Config({
+        HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
         showMathMenu: false,
         showMathMenuMSIE: false,
           tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/base_projects.html.erb b/app/views/layouts/base_projects.html.erb
index 9e9bd688f..252e022b9 100644
--- a/app/views/layouts/base_projects.html.erb
+++ b/app/views/layouts/base_projects.html.erb
@@ -24,6 +24,10 @@
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
         MathJax.Hub.Config({
+        HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
         showMathMenu: false,
         showMathMenuMSIE: false,
           tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/base_tags.html.erb b/app/views/layouts/base_tags.html.erb
index 08ebb02d7..268f93c21 100644
--- a/app/views/layouts/base_tags.html.erb
+++ b/app/views/layouts/base_tags.html.erb
@@ -28,6 +28,10 @@
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
         MathJax.Hub.Config({
+        HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
         showMathMenu: false,
         showMathMenuMSIE: false,
           tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/base_users.html.erb b/app/views/layouts/base_users.html.erb
index 416883999..a062fa50c 100644
--- a/app/views/layouts/base_users.html.erb
+++ b/app/views/layouts/base_users.html.erb
@@ -28,6 +28,10 @@
       <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
       <script type="text/x-mathjax-config">
         MathJax.Hub.Config({
+        HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
         showMathMenu: false,
         showMathMenuMSIE: false,
           tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/base_users_new.html.erb b/app/views/layouts/base_users_new.html.erb
index 6a16940fc..e4f550fd4 100644
--- a/app/views/layouts/base_users_new.html.erb
+++ b/app/views/layouts/base_users_new.html.erb
@@ -29,6 +29,10 @@
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
         MathJax.Hub.Config({
+        HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
         showMathMenu: false,
         showMathMenuMSIE: false,
           tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/contest_base.html.erb b/app/views/layouts/contest_base.html.erb
index 291d8f404..687c07702 100644
--- a/app/views/layouts/contest_base.html.erb
+++ b/app/views/layouts/contest_base.html.erb
@@ -27,6 +27,10 @@
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
         MathJax.Hub.Config({
+        HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
         showMathMenu: false,
         showMathMenuMSIE: false,
           tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/course_base.html.erb b/app/views/layouts/course_base.html.erb
index c46c73b99..b45c472d7 100644
--- a/app/views/layouts/course_base.html.erb
+++ b/app/views/layouts/course_base.html.erb
@@ -29,6 +29,10 @@
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
         MathJax.Hub.Config({
+        HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
         showMathMenu: false,
         showMathMenuMSIE: false,
           tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/login.html.erb b/app/views/layouts/login.html.erb
index 60ffbce1a..6cf8aaadb 100644
--- a/app/views/layouts/login.html.erb
+++ b/app/views/layouts/login.html.erb
@@ -21,6 +21,10 @@
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
         MathJax.Hub.Config({
+        HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
         showMathMenu: false,
         showMathMenuMSIE: false,
           tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/new_base.html.erb b/app/views/layouts/new_base.html.erb
index e7695f0e7..e66d7c6fa 100644
--- a/app/views/layouts/new_base.html.erb
+++ b/app/views/layouts/new_base.html.erb
@@ -24,6 +24,10 @@
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
         MathJax.Hub.Config({
+        HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
         showMathMenu: false,
         showMathMenuMSIE: false,
           tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/new_base_user.html.erb b/app/views/layouts/new_base_user.html.erb
index bc8904897..8fc2dea16 100644
--- a/app/views/layouts/new_base_user.html.erb
+++ b/app/views/layouts/new_base_user.html.erb
@@ -21,6 +21,10 @@
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
     MathJax.Hub.Config({
+    HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
     showMathMenu: false,
     showMathMenuMSIE: false,
       tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/static_base.html.erb b/app/views/layouts/static_base.html.erb
index f73d1bc61..30a62fe3f 100644
--- a/app/views/layouts/static_base.html.erb
+++ b/app/views/layouts/static_base.html.erb
@@ -24,6 +24,10 @@
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
     MathJax.Hub.Config({
+    HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
     showMathMenu: false,
     showMathMenuMSIE: false,
       tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}
diff --git a/app/views/layouts/users_base.html.erb b/app/views/layouts/users_base.html.erb
index 8eeee553e..9470cf971 100644
--- a/app/views/layouts/users_base.html.erb
+++ b/app/views/layouts/users_base.html.erb
@@ -24,6 +24,10 @@
   <!-- 配置 ： 在生成的公式图片上去掉Math定义的右键菜单，$$ $$ \( \) \[ \] 中的公式给予显示-->
   <script type="text/x-mathjax-config">
     MathJax.Hub.Config({
+    HTML-CSS: {
+                scale: 85,
+                imageFont: null
+            },
     showMathMenu: false,
     showMathMenuMSIE: false,
       tex2jax: {inlineMath: [['$','$'], ['\\(','\\)']]}