GIS network analyst警告:“路线”中“位置1 -位置136”的输出几何图形没有M值，因为最大M值大于M域可以支持的最大M值。

Warning: The output geometry for "Location 1 - Location 136" in "Routes" has no M values because the maximum M value is larger than the largest M value that can be supported by the M domain.