[bugfix] add formuar bb char index to uppercase

atms-api/src/main/java/pwc/taxtech/atms/dto/vatdto/BBParasBo.java

@@ -23,7 +23,7 @@ public class BBParasBo {
         } catch (Exception e) {
             String columnStr = resolverString(args, ec, 1);
             int rtn = 0;
-            columnStr = columnStr.toLowerCase();
+            columnStr = columnStr.toUpperCase();
             char[] excelCol = columnStr.toCharArray();
             for (int i = columnStr.length() - 1; i >= 0; i--) {
                 if (excelCol[i] >= 'A' && excelCol[i] <= 'Z') {