|  |  | @ -4,4 +4,5 @@ class CourseVideo < ApplicationRecord | 
			
		
	
		
		
			
				
					
					|  |  |  |   belongs_to :user, optional: true |  |  |  |   belongs_to :user, optional: true | 
			
		
	
		
		
			
				
					
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					|  |  |  |   validates :title, length: { maximum: 60, too_long: "不能超过60个字符" } |  |  |  |   validates :title, length: { maximum: 60, too_long: "不能超过60个字符" } | 
			
		
	
		
		
			
				
					
					|  |  |  |  |  |  |  |   validates :link, format: { with: CustomRegexp::URL, message: "必须为网址超链接" } | 
			
		
	
		
		
			
				
					
					|  |  |  | end |  |  |  | end | 
			
		
	
	
		
		
			
				
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