Fluent meshing划分网格警告？

1.Warning: 1 internal baffles identified.Check for leaks and self-intersections in the mesh, if these are not expected.2.Warning: overlapping manifold at node bn13226 (-5870.499023 10072.973633 -16118.083008)3.Warning: Mesh generation was applied on a single node: disabling AMG smoothing.流体仿真，流道内有挡流板