發生錯誤: TypeError: Cannot use 'in' operator to search for 'elapsedTime' in <html> <head> <title>Internal Server Error</title> </head> <body> <h1><p>Internal Server Error</p></h1> </body> </html> 。
TypeError: Cannot use 'in' operator to search for 'elapsedTime' in <html> <head> <title>Internal Server Error</title> </head> <body> <h1><p>Internal Server Error</p></h1> </body> </html>