修改README

README.md

 --fastq_1			测序数据的R1端
 --fastq_2			测序数据的R2端
 -K 10000000			该设置可用于比对过程中使得结果与线程数独立
--o			比对结果输出的文件名
+-o				比对结果输出的文件名
 ```
 
 **Dedup**
 **BQSR**
 
 ```bash
-RECAL_DATA.TABLE		the location and filename of the recalibration table
-RECAL_DATA.TABLE.POST		the location and filename of the temporary post recalibration table
-RECAL_RESULT.CSV		the location and filename of the temporary recalibration results output file used for plotting
+RECAL_DATA.TABLE	the location and filename of the recalibration table
+RECAL_DATA.TABLE.POST	the location and filename of the temporary post recalibration table
+RECAL_RESULT.CSV	the location and filename of the temporary recalibration results output file used for plotting
 BQSR_PDF		the location and filename of the BSQR results output file
 ```
 
 **Haplotyper**
 
 ```bash
-VARIANT_VCF				the location and filename of the variant calling output file
+VARIANT_VCF		the location and filename of the variant calling output file
 ```
 
 ### APP输入