Inclusion Criteria:  ischemic stroke patients within 2 days stroke onset 18-85 of age corticospinal tract involvement stroke (primary motor cortex, corona radiata, internal capsule, midbrain crus cerebri, basis pontis, anterior medulla)  Exclusion Criteria:  pre-stroke disability (defined as modified Rankin Scale (mRS) >=2) Intravenous r-tPA thrombolysis or EVT (endovascular thrombectomy) history of epilepsy advanced systemic disease or coexisting neurological/psychiatric disease severe contact dermatitis or skin lesions interfering with the applying the electrode of tDCS