發送短信 : Failure analysis of a failed anchor chain link

 ______     ______  __    __     ___     _____    
|      \\  /_   _// \ \\ / //   / _ \\  |  __ \\  
|  --  //   -| ||-   \ \/ //   | / \ || | |  \ || 
|  --  \\   _| ||_    \  //    | \_/ || | |__/ || 
|______//  /_____//    \//      \___//  |_____//  
`------`   `-----`      `       `---`    -----`