1. Boil the water in the pot, add some salt, add the pasta and cook over high heat for 8 minutes;

2. Cut the onion into shreds and cut the cucumber and carrot into small pieces;

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3. Pour some oil into the wok, add shredded onions and stir-fry until fragrant. Add carrot cubes, tomato paste and sweet and spicy sauce and stir-fry. Add water and bring to a boil. Add salt and black pepper to taste. Add cucumber cubes. When the soup thickens, add the cooked pasta and stir-fry for a few times.