diff --git a/importer/config.go b/importer/config.go
index 735fc126e..2daad7f52 100644
--- a/importer/config.go
+++ b/importer/config.go
@@ -33,9 +33,9 @@ func NewConfig() *Config {
 	fs.StringVar(&cfg.TableSQL, "t", "", "create table sql")
 	fs.StringVar(&cfg.IndexSQL, "i", "", "create index sql")
 
-	fs.IntVar(&cfg.WorkerCount, "c", 1, "parallel worker count")
-	fs.IntVar(&cfg.JobCount, "n", 1, "total job count")
-	fs.IntVar(&cfg.Batch, "b", 1, "insert batch commit count")
+	fs.IntVar(&cfg.WorkerCount, "c", 2, "parallel worker count")
+	fs.IntVar(&cfg.JobCount, "n", 10000, "total job count")
+	fs.IntVar(&cfg.Batch, "b", 1000, "insert batch commit count")
 
 	fs.StringVar(&cfg.DBCfg.Host, "h", "127.0.0.1", "set the database host ip")
 	fs.StringVar(&cfg.DBCfg.User, "u", "root", "set the database user")
diff --git a/importer/config.toml b/importer/config.toml
index 77526e8e2..c12d40168 100644
--- a/importer/config.toml
+++ b/importer/config.toml
@@ -6,9 +6,10 @@ index-sql = "create unique index u_b on t(b);"
 
 log-level = "info"
 
-worker-count = 1
-job-count = 10
-batch = 1
+worker-count = 2
+job-count = 10000
+# batch insert rows
+batch = 1000
 
 [db]
 host = "127.0.0.1"