Let R be a ring and M , N be two R-modules. Then M is called pseudo-N-injective if for any submodule A of N, every monomorphism in Hom (A,M) can be extended to an element of Hom(N,M). Also M is called pseudo-injective if it is pseudo-M-injective. A module M is called CS if each of its complement submodules is a direct summand. It is well known that a module is quasi-injective if and only if it is pseudo-injective CS. Using this result, they proved an automorphism-invariant module is pseudo-injective.