6 -3.91144450E+003 3.14508582E+000 7.40592225E-005 20.25 <-- SCF
Warning: There are no empty bands for at least one kpoint and spin; this may
slow the convergence and/or lead to an inaccurate groundstate.
If this warning persists, you should consider increasing nextra_bands
and/or reducing smearing_width in the param file.
Recommend using nextra_bands of 7 to 15.
castep对结构进行单点能计算的时候，计算结果总是出现上面的设置，我把计算精度降低了以后，还是这样，各位同仁帮我看看怎么办，设置空带话在那个菜单里面设置，还有就是修改空带参数后对计算结果有没有影响，谢谢！
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