Attractive beginning: An attractive beginning can immediately catch the reader's attention and stimulate their curiosity. A good beginning usually introduces an interesting scene or situation, or a fascinating protagonist or storyline.
Exciting plot: I like to watch exciting plots, which can make them feel excited and nervous. A good plot usually contains some tense turns and suspense, as well as unpredictable events and endings.
Vivid characters: A good novel usually has attractive and profound characters, whose actions and thoughts can often attract readers' attention. A good character usually has a unique personality, desire and motivation, and will grow and change with the development of the plot.
Unique story elements: I like to see some unique story elements, such as novel science fiction concepts, unusual environment or cultural background, mysterious magic elements and so on. These elements can make the story more vivid and interesting, and make readers full of curiosity.
In-depth theme: Good novels usually discuss profound themes, such as love, loss, courage, human nature and so on. These themes can arouse readers' interest and make them more interested in stories and characters.
Generally speaking, novels that catch my eye usually have vivid characters, tense plots, unique story elements and profound themes.