The present invention relates to a composition comprising compounds of formula (I-V), the pharmaceutically-acceptable carrier, solvent, or the salts thereof which is used to treat autophagy-associated diseases such as Alzheimer's disease, Parkinson's disease, Huntington's disease, etc. The present invention also relates to a method of treating these diseases by administering a therapeutically-effective amount of the compound to the subject in need of the treatment. The present invention further relates to the use of this compound in preparation of the composition to treat the diseases.