modified the "local cmdElemString"
and "local revCmdElemString" variables.
Merge branch 'master' of https://github.com/mickeymice/webvv

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Merge branch 'master' of https://github.com/mickeymice/webvv

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Merge branch 'master' of https://github.com/mickeymice/webvv

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主要添加了对表单参数合法性的检查
  1） basic information
  2） 2.4G 和 5G wifi

Signed-off-by: hbl0307106015 <banglang.huang@gmail.com>