更新 'README.md'

README.md

@@ -38,9 +38,13 @@ choppy install chenziyin/downsample
 
    样表如下：
 
-   | sample_id | Fastq                                                        | down_to |
-   | --------- | ------------------------------------------------------------ | ------- |
-   | Test1     | oss://choppy-app-example-data/miRNAseq/test_10k_NEXTflex.fastq.gz | 1000    |
+  
+
+| sample_id | fastq | down_to |
+| -------- | -------- | -------- |
+| test     | oss://choppy-app-example-data/miRNAseq/test_10k_NEXTflex.fastq.gz     | 1000     |
+
+