diff --git a/common/pkgs/downloader/strip_iterator.go b/common/pkgs/downloader/strip_iterator.go
index 828dcdf..fd74cdf 100644
--- a/common/pkgs/downloader/strip_iterator.go
+++ b/common/pkgs/downloader/strip_iterator.go
@@ -65,7 +65,7 @@ func NewStripIterator(object cdssdk.Object, blocks []downloadBlock, red *cdssdk.
 
 func (s *StripIterator) MoveNext() (Strip, error) {
 	if !s.inited {
-		go s.downloading()
+		go s.downloading(s.curStripIndex)
 		s.inited = true
 	}
 
@@ -112,8 +112,8 @@ func (s *StripIterator) Close() {
 	})
 }
 
-func (s *StripIterator) downloading() {
-	curStripIndex := s.curStripIndex
+func (s *StripIterator) downloading(startStripIndex int64) {
+	curStripIndex := startStripIndex
 loop:
 	for {
 		stripBytesPos := curStripIndex * int64(s.red.K) * int64(s.red.ChunkSize)
@@ -199,7 +199,7 @@ func (s *StripIterator) readStrip(stripIndex int64, buf []byte) (int, error) {
 		}
 
 		toExec, hd := ioswitch2.NewToDriverWithRange(-1, exec.Range{
-			Offset: s.curStripIndex * s.red.StripSize(),
+			Offset: stripIndex * s.red.StripSize(),
 		})
 		ft.AddTo(toExec)
 
diff --git a/coordinator/internal/cmd/cmd.go b/coordinator/internal/cmd/cmd.go
new file mode 100644
index 0000000..b05e4f5
--- /dev/null
+++ b/coordinator/internal/cmd/cmd.go
@@ -0,0 +1,18 @@
+package cmd
+
+import "github.com/spf13/cobra"
+
+var RootCmd = &cobra.Command{
+	Use:   "coordinator",
+	Short: "Coordinator service for storage",
+	Long:  `Coordinator service for storage`,
+}
+
+func init() {
+	var configPath string
+	RootCmd.Flags().StringVarP(&configPath, "config", "c", "", "Path to config file")
+
+	RootCmd.Run = func(cmd *cobra.Command, args []string) {
+		serve(configPath)
+	}
+}
diff --git a/coordinator/internal/cmd/migrate.go b/coordinator/internal/cmd/migrate.go
new file mode 100644
index 0000000..53a38ca
--- /dev/null
+++ b/coordinator/internal/cmd/migrate.go
@@ -0,0 +1,61 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/spf13/cobra"
+	cdssdk "gitlink.org.cn/cloudream/common/sdks/storage"
+	"gitlink.org.cn/cloudream/storage/coordinator/internal/config"
+	"gorm.io/driver/mysql"
+	"gorm.io/gorm"
+)
+
+func init() {
+	var configPath string
+	cmd := cobra.Command{
+		Use:   "migrate",
+		Short: "Run database migrations",
+		Run: func(cmd *cobra.Command, args []string) {
+			migrate(configPath)
+		},
+	}
+	cmd.Flags().StringVarP(&configPath, "config", "c", "", "Path to config file")
+	RootCmd.AddCommand(&cmd)
+}
+
+func migrate(configPath string) {
+	// TODO 将create_database.sql的内容逐渐移动到这里来
+
+	err := config.Init(configPath)
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	db, err := gorm.Open(mysql.Open(config.Cfg().DB.MakeSourceString()))
+	if err != nil {
+		fmt.Println(err)
+		os.Exit(1)
+	}
+
+	err = db.AutoMigrate(&cdssdk.Storage{})
+	if err != nil {
+		fmt.Printf("migratting model Storage: %v\n", err)
+		os.Exit(1)
+	}
+
+	err = db.AutoMigrate(&cdssdk.ShardStorage{})
+	if err != nil {
+		fmt.Printf("migratting model ShardStorage: %v\n", err)
+		os.Exit(1)
+	}
+
+	err = db.AutoMigrate(&cdssdk.SharedStorage{})
+	if err != nil {
+		fmt.Printf("migratting model SharedStorage: %v\n", err)
+		os.Exit(1)
+	}
+
+	fmt.Println("migrate success")
+}
diff --git a/coordinator/internal/cmd/serve.go b/coordinator/internal/cmd/serve.go
new file mode 100644
index 0000000..adfd720
--- /dev/null
+++ b/coordinator/internal/cmd/serve.go
@@ -0,0 +1,60 @@
+package cmd
+
+import (
+	"fmt"
+	"os"
+
+	"gitlink.org.cn/cloudream/common/pkgs/logger"
+	mydb "gitlink.org.cn/cloudream/storage/common/pkgs/db"
+	coormq "gitlink.org.cn/cloudream/storage/common/pkgs/mq/coordinator"
+	"gitlink.org.cn/cloudream/storage/coordinator/internal/config"
+	"gitlink.org.cn/cloudream/storage/coordinator/internal/mq"
+)
+
+func serve(configPath string) {
+	err := config.Init(configPath)
+	if err != nil {
+		fmt.Printf("init config failed, err: %s", err.Error())
+		os.Exit(1)
+	}
+
+	err = logger.Init(&config.Cfg().Logger)
+	if err != nil {
+		fmt.Printf("init logger failed, err: %s", err.Error())
+		os.Exit(1)
+	}
+
+	db, err := mydb.NewDB(&config.Cfg().DB)
+	if err != nil {
+		logger.Fatalf("new db failed, err: %s", err.Error())
+	}
+
+	coorSvr, err := coormq.NewServer(mq.NewService(db), &config.Cfg().RabbitMQ)
+	if err != nil {
+		logger.Fatalf("new coordinator server failed, err: %s", err.Error())
+	}
+
+	coorSvr.OnError(func(err error) {
+		logger.Warnf("coordinator server err: %s", err.Error())
+	})
+
+	// 启动服务
+	go serveCoorServer(coorSvr)
+
+	forever := make(chan bool)
+	<-forever
+}
+
+func serveCoorServer(server *coormq.Server) {
+	logger.Info("start serving command server")
+
+	err := server.Serve()
+	if err != nil {
+		logger.Errorf("command server stopped with error: %s", err.Error())
+	}
+
+	logger.Info("command server stopped")
+
+	// TODO 仅简单结束了程序
+	os.Exit(1)
+}
diff --git a/coordinator/internal/config/config.go b/coordinator/internal/config/config.go
index f503305..946572e 100644
--- a/coordinator/internal/config/config.go
+++ b/coordinator/internal/config/config.go
@@ -15,8 +15,12 @@ type Config struct {
 
 var cfg Config
 
-func Init() error {
-	return c.DefaultLoad("coordinator", &cfg)
+func Init(path string) error {
+	if path == "" {
+		return c.DefaultLoad("coordinator", &cfg)
+	}
+
+	return c.Load(path, &cfg)
 }
 
 func Cfg() *Config {