Salt and crystal form of cycloalkene compound, and preparation method therefor and use thereof

A base salt of a compound as represented by general formula (I) or a stereoisomer thereof, wherein the compound has a structure as follows:

• wherein:
• each R1 is independently selected from hydrogen, deuterium, fluorine, chlorine, cyano, C1-3 alkyl, C1-3 deuteroalkyl, C1-3 haloalkyl, C1-3 alkoxy, C1-3 deuteroalkoxy or C1-3 haloalkoxy;
• each R2 is independently selected from hydrogen, deuterium, fluorine, chlorine, cyano, C1-3 alkyl, C1-3 deuteroalkyl, C1-3 haloalkyl, C1-3 alkoxy, C1-3 deuteroalkoxy or C1-3 haloalkoxy;
• each R3 is independently selected from hydrogen, deuterium or halogen;
• M1 is N or CH;
• W2 is N or CH;
• x, y and z are each independently 0, 1 or 2;
• wherein the base is an organic base or an inorganic base, and the organic base is selected from diethylamine, diethanolamine, triethylamine, triethanolamine, choline hydroxide, tromethamine, meglumine, N-hydroxyethylmorpholine, piperazine, N-hydroxyethylpyrrolidine, N,N-dibenzylethylenediamine, 2-diethylaminoethanol, ethanolamine, betaine, L-arginine, lysine, phenethylbenzylamine, benzathine penicillin, dimethylaminoethanol, imidazole or a mixture thereof;
• and the inorganic base is selected from sodium hydroxide, potassium hydroxide, calcium hydroxide, magnesium hydroxide, zinc hydroxide, ammonia water or a mixture thereof.