private void setLogin(FormLoginConfigurer<HttpSecurity> login) {
        loginSuccessHandler.setTargetUrlParameter("returnUrl");
        login.loginPage("/login").loginProcessingUrl("/login")
                .successHandler(loginSuccessHandler);
    }
filterChain

@param http http
@return SecurityFilterChain
@throws Exception Exception
src/main/java/com/tuituidan/openhub/config/SecurityConfig.java