diff --git a/db/influxdb.go b/db/influxdb.go
index 37e7118..6d063df 100644
--- a/db/influxdb.go
+++ b/db/influxdb.go
@@ -127,7 +127,8 @@ func (ad *InfluxDBAdapter) Save(channels []core.Channel) error {
 
 	err = ad.client.Write(initContext, []byte(sb.String()))
 	if err != nil {
-		panic(err)
+		return err
 	}
+
 	return nil
 }
diff --git a/db/sqlite3.go b/db/sqlite3.go
index 32ba75f..e2a62c8 100644
--- a/db/sqlite3.go
+++ b/db/sqlite3.go
@@ -4,7 +4,6 @@ import (
 	"database/sql"
 	"errors"
 	"fmt"
-	"log"
 	"sync"
 
 	"th7/data/config"
@@ -83,7 +82,7 @@ func (ad *SQLite3Adapter) Save(channels []core.Channel) error {
 
 		_, err = statement.Exec(id, thermo, gain, offset, value, timestamp)
 		if err != nil {
-			log.Fatalln(err.Error())
+			return err
 		}
 
 		fmt.Printf("[%s] SQLite3 log: id=%d, type=%s, gain=%.2f, offset=%.2f, value=%.2f\n", timestamp, id, thermo, gain, offset, value)