diff --git a/internal/client_channel.go b/internal/client_channel.go
index 5f6aa8f..f80deb1 100644
--- a/internal/client_channel.go
+++ b/internal/client_channel.go
@@ -83,7 +83,7 @@ func (t *TClient) Channel(ctx context.Context, channel *tg.Channel, cfg *DBChann
 						zap.Int64("size", doc.GetSize()),
 						zap.String("SizeHuman", humanize.Bytes(uint64(doc.GetSize()))),
 					)
-					continue
+					break
 				}
 
 				data, err := t.saveDocument(ctx, cfg, doc)
diff --git a/internal/cmd_export.go b/internal/cmd_export.go
index e7edb76..d8ba2d0 100644
--- a/internal/cmd_export.go
+++ b/internal/cmd_export.go
@@ -2,7 +2,7 @@ package internal
 
 import (
 	"context"
-	"fmt"
+	"log"
 
 	"exporter/config"
 
@@ -22,8 +22,8 @@ func ExportCmd() *cobra.Command {
 		Use:   "export",
 		Short: "export channels",
 		PreRunE: func(cmd *cobra.Command, args []string) error {
-			fmt.Println("init client")
-			defer fmt.Println("init client done")
+			log.Println("init client")
+			defer log.Println("init client done")
 			return InitClient(config.C)
 		},
 		RunE: wrapE(exportCmd),
diff --git a/internal/cmd_login.go b/internal/cmd_login.go
index 6b84558..fc98f10 100644
--- a/internal/cmd_login.go
+++ b/internal/cmd_login.go
@@ -2,7 +2,7 @@ package internal
 
 import (
 	"context"
-	"fmt"
+	"log"
 
 	"exporter/config"
 
@@ -14,8 +14,8 @@ func LoginCmd() *cobra.Command {
 		Use:   "login",
 		Short: "login account",
 		PreRunE: func(cmd *cobra.Command, args []string) error {
-			fmt.Println("init client")
-			defer fmt.Println("init client done")
+			log.Println("init client")
+			defer log.Println("init client done")
 			return InitClient(config.C)
 		},
 		RunE: wrapE(func(ctx context.Context) error {
diff --git a/internal/cmd_watch.go b/internal/cmd_watch.go
index e5bba49..f666db4 100644
--- a/internal/cmd_watch.go
+++ b/internal/cmd_watch.go
@@ -2,7 +2,7 @@ package internal
 
 import (
 	"context"
-	"fmt"
+	"log"
 	"time"
 
 	"exporter/config"
@@ -20,8 +20,8 @@ func WatchCmd() *cobra.Command {
 		Use:   "watch",
 		Short: "watch channels",
 		PreRunE: func(cmd *cobra.Command, args []string) error {
-			fmt.Println("init client")
-			defer fmt.Println("init client done")
+			log.Println("init client")
+			defer log.Println("init client done")
 			return InitClient(config.C)
 		},
 		RunE: wrapE(watchCmd),
diff --git a/internal/common.go b/internal/common.go
index 3fd8a40..35cdfc9 100644
--- a/internal/common.go
+++ b/internal/common.go
@@ -2,6 +2,7 @@ package internal
 
 import (
 	"context"
+	"log"
 
 	"exporter/config"
 
@@ -49,6 +50,8 @@ func getClient() *TClient {
 
 func wrapE(f func(context.Context) error) func(cmd *cobra.Command, args []string) error {
 	return func(cmd *cobra.Command, args []string) error {
+		log.Println("run client")
+		defer log.Println("run client done")
 		return getClient().Client.Run(context.Background(), f)
 	}
 }
diff --git a/main.go b/main.go
index 0f29a1a..806fba8 100644
--- a/main.go
+++ b/main.go
@@ -1,7 +1,7 @@
 package main
 
 import (
-	"fmt"
+	"log"
 	"os"
 
 	"exporter/config"
@@ -18,19 +18,19 @@ func main() {
 		Use:   "exporter",
 		Short: "Yet Another Telegram Channel Exporter",
 		PersistentPreRunE: func(cmd *cobra.Command, args []string) error {
-			fmt.Println("load configs")
+			log.Println("load configs")
 			if err := config.Load(cfgFile); err != nil {
 				return errors.Wrap(err, "load config")
 			}
 
-			fmt.Println("init db")
+			log.Println("init db")
 			if err := internal.InitDB(config.C.DSN); err != nil {
 				return errors.Wrap(err, "init db")
 			}
 			return nil
 		},
 		PersistentPostRunE: func(cmd *cobra.Command, args []string) error {
-			fmt.Println("client exit")
+			log.Println("client exit")
 			return internal.Close()
 		},
 	}
@@ -45,6 +45,7 @@ func main() {
 
 	// rootCmd.SilenceErrors = true
 	rootCmd.SilenceUsage = true
+	rootCmd.SilenceErrors = true
 	rootCmd.SetFlagErrorFunc(func(cmd *cobra.Command, err error) error {
 		cmd.Println(err)
 		cmd.Println(cmd.UsageString())
@@ -53,6 +54,7 @@ func main() {
 
 	err := rootCmd.Execute()
 	if err != nil {
+		log.Println(err)
 		os.Exit(1)
 	}
 }