ALV EXCEL 导出后不是数字类型为字符

REPORT zsdr004_3 MESSAGE-ID sd. INCLUDE zsdr004_3f00."Global ole2 utils INCLUDE zsdr004_3g01."Global define INCLUDE zsdr004_3f01."Global routine INCLUDE zsdr004_3f02."Upload routine INCLUDE zsdr004_3f03."Download routine INITIALIZATION. PERFORM frm_init_title. START-OF-SELECTION. PERFORM chec