diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 8710b624e..c12f59f21 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -423,7 +423,7 @@ class CoursesController < ApplicationController
     @course = cs.create_course(params,User.current)[:course]
     if @course.new_record?
       respond_to do |format|
-        format.html { render :action => 'new', :layout => 'base' } #Added by young
+        format.html { render :action => 'new', :layout => 'new_base' } #Added by young
         format.api { render_validation_errors(@course) }
       end
     else
@@ -493,7 +493,7 @@ class CoursesController < ApplicationController
 
     respond_to do |format|
       format.html {
-        render :layout => 'base'
+        render :layout => 'new_base'
       }
       format.api  {
       }
diff --git a/app/services/courses_service.rb b/app/services/courses_service.rb
index aa216d755..95bf5feba 100644
--- a/app/services/courses_service.rb
+++ b/app/services/courses_service.rb
@@ -198,7 +198,7 @@ class CoursesService
       @course.school_id = current_user.user_extensions.school_id
       @course.setup_time = params[:setup_time]
       @course.endup_time = params[:endup_time]
-      @course.class_period = params[:class_period]
+      @course.class_period = params[:class_period].to_i
       params[:course][:is_public] ? @course.is_public = 1 : @course.is_public = 0
       params[:course][:open_student] ? @course.open_student = 1 : @course.open_student = 0
     end
diff --git a/app/views/courses/new.html.erb b/app/views/courses/new.html.erb
index 0ea51d5f4..75979d9f3 100644
--- a/app/views/courses/new.html.erb
+++ b/app/views/courses/new.html.erb
@@ -25,8 +25,9 @@
       <li class="ml45 mb10">
         <label><span class="c_red">*</span>&nbsp;<%= l(:label_new_course_password)%>&nbsp;&nbsp;：</label>
         <input type="text" style="display: none;">
-        <input  type="password" name="course[password]" id="course_course_password" class="hwork_input02">
+        <input  type="password" name="course[password]" id="course_course_password" class="hwork_input02" onkeyup="regex_course_password();">
         <a id="psw_btn" href="javascript:void(0)">显示明码</a>
+        <span class="c_red" id="course_course_password_notice"></span>
         <div class="cl"></div>
         <span class=" ml80 c_orange">学生或其他成员申请加入课程时候需要使用该口令，该口令可以由老师在课堂上公布。</span>
       </li>
diff --git a/public/javascripts/course.js b/public/javascripts/course.js
index c2a5da03d..74ec4f362 100644
--- a/public/javascripts/course.js
+++ b/public/javascripts/course.js
@@ -80,9 +80,18 @@ function regex_course_class_period()
         return false;
     }
     else if (regex.test(class_period)) {
-        $("#course_class_period_notice").html("");
-        $("#course_class_period_notice").hide();
-        return true;
+        if(parseInt(class_period) > 0)
+        {
+            $("#course_class_period_notice").html("");
+            $("#course_class_period_notice").hide();
+            return true;
+        }
+        else
+        {
+            $("#course_class_period_notice").html("学时总数必须大于0");
+            $("#course_class_period_notice").show();
+            return false;
+        }
     }
     else
     {
@@ -91,10 +100,33 @@ function regex_course_class_period()
         return false;
     }
 }
+
+function regex_course_password()
+{
+    var class_period = $.trim($("#course_course_password").val());
+    var regex = /^\w+$/;
+    if(class_period.length == 0)
+    {
+        $("#course_course_password_notice").html("课程密码不能为空");
+        $("#course_course_password_notice").show();
+        return false;
+    }
+    else if (regex.test(class_period)) {
+        $("#course_course_password_notice").html("");
+        $("#course_course_password_notice").hide();
+        return true;
+    }
+    else
+    {
+        $("#course_course_password_notice").html("课程密码有非法字符");
+        $("#course_course_password_notice").show();
+        return false;
+    }
+}
 //提交新建课程
 function submit_new_course()
 {
-    if(regex_course_name()&&regex_course_class_period())
+    if(regex_course_name()&&regex_course_class_period()&&regex_course_class_period()&&regex_course_password())
     {
         $("#new_course").submit();
     }