本人安了一个晚上了都没搞定，不知道是不是64位的原因，后来弄了个就版本的就突然好了。
版本：FlashPlayer_v112202221RC1Lx64.zip
$ tar xvf FlashPlayer_v112202221RC1Lx64.tar.gz
Changeto that folder:
$ cdFlashPlayer_v112202221RC1Lx64
Installby copying the flash plugin to the correctdirectory:
$ sudo cp libflashplayer.so /usr/lib/mozilla/plugins/
Alsocopy the new flash player properties to your system:
$ cd usr/bin/
Then:
$ sudo cp flash-player-properties /usr/local/bin
PS:
yum groupinstall "Sound and Video"
yum installflash-plugin nspluginwrapper curl