What is the meaning of shooting column angle in geomantic omen?

Is that the sharp corners of the pillars on the wall can't face the bed. In the geomantic omen of houses, corners, column angles, beds, etc. Usually used as a shower.

Solution:

1, you can enlarge leafy plants in the corner or in front of the column angle.

Put two pots of plants with dense leaves in front of the door.