How to apply different impendance by Break field for facilities in service area network analysis?

[FangdaLu1]

When I try to use Break_Miles field to set impedance for every signle facilities, it seems no effect but only use the default breaks. How can I apply my Break_Miles values to network solving?

According to http://desktop.arcgis.com/en/arcmap/latest/extensions/network-analyst/service-area.htm#GUID-21ADEC62..., I set this field as text field, the value is looks like "1 3 5" or "3 5 10", numbers divided by space means breaks value for each facilities.

Any mistake I made? 

[MelindaMorang]

Make sure you're using "Miles" as your impedance attribute.  Or, if you want to use a different impedance attribute, make sure you populate the associated Breaks_[impedance] field.  They must match.

[FangdaLu1]

Yeah I make sure they do matched.