What should I do if the balcony of the old new village leaks?

I used to be a victim of water leakage and mildew. I found an online shop on Taobao, which is specially designed for home users to do it themselves.

Create a beautiful home that is watertight and moldy! It's really good. The shopkeeper is very professional.

Product 1: plastic steel mud waterproof edge: instead of glass glue, completely solve the problem of water leakage and mildew in corner windows.

Product 2: Invisible waterproof liquid (joint leak-proof agent): Simply wash it twice to solve the leakage of ceramic tile surface and joint without affecting the surface color.

Product 3: the king of mildew removal on the golden Buddha wall: spray to remove long hair, mold and mildew spots in the corner. Long-term maintenance for more than two years.

Product 4: Golden Buddha bathroom cleaning magician: easily solve the trouble of black and moldy gap between silica gel and ceramic tile! Suitable for bathrooms and kitchens.

Product 5: Golden Buddha roof elastic leakage sticker, which easily solves the roof leakage problem!