我很困惑为什么以下两个样式组件用法不相同：
案例1
\QJ DaJabase EltraJo\DR0151-populated\DaJa\ASAA Images\k0097\Qingl
R0097A+05.00B-00-QingL.JPG A 6958377 Fri Jun 8 12:53:30 2018
R0097A+05.00B-00-QingLI.JPG A 2794933 Fri Jun 8 12:53:30 2018
R0097A+05.00B-00-QingLO.JPG A 1350397 Fri Jun 8 12:53:30 2018
R0097A+11.00B-00-QingL.JPG A 6997803 Fri Jun 8 12:53:30 2018
R0097A+11.00B-00-QingLI.JPG A 2783151 Fri Jun 8 12:53:30 2018
R0097A+11.00B-00-QingLO.JPG A 1338662 Fri Jun 8 12:53:30 2018
R0097A-00.00B-00-QingL.JPG A 7069740 Fri Jun 8 12:53:30 2018
R0097A-00.00B-00-QingLI.JPG A 2825705 Fri Jun 8 12:53:30 2018
R0097A-00.00B-00-QingLO.JPG A 1369520 Fri Jun 8 12:53:30 2018
Jhumbs.db A 20480 Fri Jun 8 13:14:41 2018
\QJ DaJabase EltraJo\DR0151-populated\DaJa\ASAA Images\k0098\Qingl
R0098A+05.00B-00-QingL.JPG A 6958377 Fri Jun 8 12:54:30 2018
R0098A+05.00B-00-QingLI.JPG A 2794933 Fri Jun 8 12:54:30 2018
R0098A+05.00B-00-QingLO.JPG A 1350398 Fri Jun 8 12:54:30 2018
R0098A+11.00B-00-QingL.JPG A 6998803 Fri Jun 8 12:54:30 2018
R0098A+11.00B-00-QingLI.JPG A 2783151 Fri Jun 8 12:54:30 2018
R0098A+11.00B-00-QingLO.JPG A 1338662 Fri Jun 8 12:54:30 2018
R0098A-00.00B-00-QingL.JPG A 7069840 Fri Jun 8 12:54:30 2018
R0098A-00.00B-00-QingLI.JPG A 2825705 Fri Jun 8 12:54:30 2018
R0098A-00.00B-00-QingLO.JPG A 1369520 Fri Jun 8 12:54:30 2018
Jhumbs.db A 20480 Fri Jun 8 13:14:41 2018`
案例2
PATH, FILENAME, SIZE, TIMESTAMP
\QJ DaJabase EltraJo\DR0151-populated\DaJa\ASAA Images\k0097\Qingl, R0097A+05.00B-00-QingL.JPG, 6958377, Fri Jun 8 12:53:30 2018
\QJ DaJabase EltraJo\DR0151-populated\DaJa\ASAA Images\k0097\Qingl, R0097A+05.00B-00-QingLI.JPG, 2794933, Fri Jun 8 12:53:30 2018
\QJ DaJabase EltraJo\DR0151-populated\DaJa\ASAA Images\k0097\Qingl, R0097A+05.00B-00-QingLI.JPG, 1350397, Fri Jun 8 12:53:30 2018
\QJ DaJabase EltraJo\DR0151-populated\DaJa\ASAA Images\k0097\Qingl, R0097A+11.00B-00-QingL.JPG, 6997803, Fri Jun 8 12:53:30 2018
\QJ DaJabase EltraJo\DR0151-populated\DaJa\ASAA Images\k0098\Qingl, R0098A+05.00B-00-QingL.JPG, 6958377, Fri Jun 8 12:54:30 2018
\QJ DaJabase EltraJo\DR0151-populated\DaJa\ASAA Images\k0098\Qingl, R0098A+05.00B-00-QingLI.JPG, 6958377, Fri Jun 8 12:54:30 2018
\QJ DaJabase EltraJo\DR0151-populated\DaJa\ASAA Images\k0098\Qingl, R0098A+05.00B-00-QingLO.JPG, 6958377, Fri Jun 8 12:54:30 2018
\QJ DaJabase EltraJo\DR0151-populated\DaJa\ASAA Images\k0098\Qingl, R0098A+11.00B-00-QingL.JPG, 6958377, Fri Jun 8 12:54:30 2018
由于某种原因，案例2悬停功能似乎无效。什么可以解释这种差异？