添加学生报错

app/models/students_for_course.rb

@@ -39,7 +39,7 @@ class StudentsForCourse < ActiveRecord::Base
   end
 
   #加入班级时创建一条记录
-  def create_course_homework_statisticd
+  def create_course_homework_statistic
     if CourseHomeworkStatistics.where(:user_id => self.student_id, :course_id => self.course_id).count == 0
       course = self.course
       user = self.student