这是导入数据后SAS的LOG
ERROR: Database error. Examine fields and/or messages below.
Invalid file specified.
ERROR: Database table must be entered first
ERROR: Database table must be entered first
ERROR: File WORK._IMEX_.DATA does not exist.
WARNING: The data set WORK.W2 may be incomplete.  When this step was stopped there were 0
         observations and 0 variables.
ERROR: Import unsuccessful.  See SAS Log for details.

明明EXCEL的类型是95工作薄，SAS导入的时候也是。