更新 'README.md'

README.md

@@ -30,9 +30,11 @@ $ choppy apps
 ```
 # 准备 samples.csv 文件
 $ choppy samples chenqingwang/featureCounts-latest > samples.csv
+# 准备无默认参数的samples.csv 文件
+choppy samples --no-default chenqingwang/featureCounts-latest > samples.csv
 
 # 提交任务
-$ choppy batch jchenqingwang/featureCounts-latest samples.csv -p Your_project_name -l Your_label
+$ choppy batch chenqingwang/featureCounts-latest samples.csv -p Your_project_name -l Your_label
 
 # 查询任务运行状况
 $ choppy query -L Your_label | grep "status"