fixed bugs reported in 0824 scan, except perception

modules/map/hdmap/hdmap_common.cc

@@ -321,6 +321,7 @@ PointENU LaneInfo::GetNearestPoint(const Vec2d &point, double *distance) const {
   CHECK_NOTNULL(distance);
 
   const auto segment_box = lane_segment_kdtree_->GetNearestObject(point);
+  CHECK(segment_box != nullptr);
   int index = segment_box->id();
   Vec2d nearest_point;
   *distance = segments_[index].DistanceTo(point, &nearest_point);

modules/map/tools/map_xysl.cc

@@ -221,6 +221,8 @@ int main(int argc, char *argv[]) {
               << end_point.y() << "," << end_heading
               << " left_width:" << left_width << " right_width:" << right_width
               << std::endl;
+    std::cout.unsetf(std::ios_base::fixed);
+
     if (FLAGS_dump_lane_width) {
       const auto sample_left_widthes = lane_ptr->sampled_left_width();
       std::cout << "left width num: " << sample_left_widthes.size()