Layer Estimates:

Layer: 点 (ID:0)
Count: 242
Extent:

XMin: 15203799.6474552
YMin: 4108790.72984508
XMax: 15715545.6993445
YMax: 4770629.22570695
Spatial Reference: 102100 (3857)

Layer: 線 (ID:1)
Count: 10
Extent:

XMin: 15382515.2975594
YMin: 4169430.34744995
XMax: 15715395.7519904
YMax: 4654684.52880797
Spatial Reference: 102100 (3857)