| 
					
				 | 
			
			
				@@ -0,0 +1,10 @@ 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+deb http://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse 
			 | 
		
	
		
			
				 | 
				 | 
			
			
				+deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse 
			 |