diff --git a/res/en/usage.txt b/res/en/usage.txt
index e426bf34c287db713007e95dac2e972a0cad20f0..b8d615c572f1e10637adaff0eec93e401feff727 100644
--- a/res/en/usage.txt
+++ b/res/en/usage.txt
@@ -10,7 +10,7 @@ Parameters:
 
   -F  --field      This parameter can be used to specify the fields, separated by commas. The default is all fields.
   -t  --table      If the output format is sql, using it to specify the table name to insert data to.
-      --dns        Specify MySQL data source connection string, used to insert data to table directly.
+      --dsn        Specify MySQL data source connection string, used to insert data to table directly.
       --clear      Remove data in MySQL table before insert.
   -T  --trim       Remove the prefix and postfix of every field when outputting data or decode data to json string.
   -H  --human      Output a readable format, print the field name, and use the tab key to split.
diff --git a/res/zh/usage.txt b/res/zh/usage.txt
index f92a0945bd0896fdd18e037a68d6f708f48c9cf0..f6787b1f56eb727c156aaf53231f6c212de1ce6d 100644
--- a/res/zh/usage.txt
+++ b/res/zh/usage.txt
@@ -43,7 +43,7 @@ $>zd.exe -d demo\default.yaml -c demo\test.yaml -n 100 -o test.json  # 输出jso
 $>zd.exe -d demo\default.yaml -c demo\test.yaml -n 100 -o test.xml   # 输出xml格式的数据。
 $>zd.exe -d demo\default.yaml -n 100 -o test.sql -t user             # 输出针对user表的insert语句。
 $>zd.exe -d demo\default.yaml -n 100 -o test.sql -t user --trim      # 输出针对user表的insert语句，去掉前缀和后缀。
-$>zd.exe -c test\test-sql.yaml -t zendata.table_a --trim -dns mysql://root:P2ssw0rd@127.0.0.1:3306/zendata#utf8 --clear # 插入数据到MySQL数据表。
+$>zd.exe -c test\test-sql.yaml -t zendata.table_a --trim -dsn mysql://root:P2ssw0rd@127.0.0.1:3306/zendata#utf8 --clear # 插入数据到MySQL数据表。
 
 $>zd.exe -i demo\zentao.sql -o db                                    # 根据sql的定义生成各表的yaml文件，存储到db目录里面。
 $>zd.exe -i demo\article.txt -o demo                                 # 转换文章为yaml配置，输出到demo目录下。
diff --git a/src/zd.go b/src/zd.go
index 37655040eb354f3d2829f3bca4af447abe302dc7..d03c2c8344b377b6f32bebfc1a948ca651f52482 100644
--- a/src/zd.go
+++ b/src/zd.go
@@ -128,7 +128,7 @@ func main() {
 	flagSet.StringVar(&vari.Table, "table", "", "")
 	flagSet.StringVar(&vari.Server, "s", "mysql", "")
 	flagSet.StringVar(&vari.Server, "server", "mysql", "")
-	flagSet.StringVar(&vari.DBDsn, "dns", "", "")
+	flagSet.StringVar(&vari.DBDsn, "dsn", "", "")
 	flagSet.BoolVar(&vari.DBClear, "clear", false, "")
 
 	flagSet.StringVar(&vari.ProtoCls, "cls", "", "")