diff --git a/app/models/course.rb b/app/models/course.rb
index d98ac0f1e..4b4313ee1 100644
--- a/app/models/course.rb
+++ b/app/models/course.rb
@@ -72,7 +72,7 @@ class Course < ActiveRecord::Base
validates_presence_of :term,:name
validates_format_of :class_period, :with =>/^[1-9]\d*$/
validates_format_of :time, :with => /^\d{4}$/
- validates_format_of :name,:with =>/^[^ ]+[a-zA-Z0-9_\u4e00-\u9fa5\s\S]+$/
+ validates_format_of :name,:with =>/^[^ ]+[a-zA-Z0-9_\u4e00-\u9fa5\s\S]*$/
validates_length_of :description, :maximum => 10000
before_save :self_validate
diff --git a/app/services/syllabuses_service.rb b/app/services/syllabuses_service.rb
index 530c550ed..dc6bfac91 100644
--- a/app/services/syllabuses_service.rb
+++ b/app/services/syllabuses_service.rb
@@ -61,4 +61,4 @@ class SyllabusesService
end
-end
\ No newline at end of file
+end
diff --git a/app/views/wechats/user_activities.html.erb b/app/views/wechats/user_activities.html.erb
index bb7d96d50..dfb6e125e 100644
--- a/app/views/wechats/user_activities.html.erb
+++ b/app/views/wechats/user_activities.html.erb
@@ -28,31 +28,31 @@
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