夏季学期课程不可引用其他课程资源

app/helpers/courses_helper.rb

@@ -550,8 +550,9 @@ module CoursesHelper
     end
     if cur_course_term == "秋季学期" && course.time == (year_now + 1) && course.term == "春季学期"
       is_next_term = true
-    elsif cur_course_term == "春季学期" && course.time == year_now && course.term == "秋季学期"
+    elsif cur_course_term == "春季学期" && course.time == year_now && course.term == "夏季学期"
       is_next_term = true
+    elsif cur_course_term == "夏季学期" && course.time == year_now && course.term == "秋季学期"
     end
     is_current_term || is_next_term
   end