空指针异常

[903296615]

var8 = options.iterator();

                while(var8.hasNext()) {
                    option = (String)var8.next();
                    Iterator var13 = this.edits(option).iterator();

                    while(var13.hasNext()) {
                        String **optionEdit** = (String)var13.next();
                        if (wordDataMap.containsKey(optionEdit)) {
                            CandidateDto dto = CandidateDto.builder().word(**option**).count((Integer)wordDataMap.get(**option**)).build();
                            candidateDtos.add(dto);
                        }
                    }
                }

会导致空指针