diff --git a/beepack.sh b/beepack.sh
index 3a23163..7a2f594 100644
--- a/beepack.sh
+++ b/beepack.sh
@@ -15,6 +15,8 @@ GOOS=windows GOARCH=amd64 go build -o go_mqtt_3_9_go_freebsd.exe
 
 GOOS=linux GOARCH=amd64 go build -o go_mqtt_3_9_go_freebsd
 
+GOOS=linux GOARCH=arm64 go build -o go_mqtt_69_mysql
+
 GOOS=darwin GOARCH=amd64 go build
 
 GOOS=freebsd GOARCH=amd64 go build
\ No newline at end of file
diff --git a/mydb/initialize.go b/mydb/initialize.go
index 89da474..733ebe0 100755
--- a/mydb/initialize.go
+++ b/mydb/initialize.go
@@ -21,9 +21,10 @@ func initDatabase() {
 	//dsn := "root:Skyinno251,@tcp(47.242.184.139:3306)/appserver?charset=utf8mb4&parseTime=True&loc=Local"
 	//dsn := "root:Skyinno251,@tcp(localhost:3306)/appserver?charset=utf8mb4&parseTime=True&loc=Local"
 	//dsn := "root:Skyinno251,@tcp(192.168.3.9:3306)/gorm?charset=utf8mb4&parseTime=True&loc=Local"
-	//dsn := "root:Skyinno251,@tcp(localhost:3306)/go_mqtt?charset=utf8mb4&parseTime=True&loc=Local"
+	dsn := "root:Skyinno251,@tcp(localhost:3306)/go_mqtt?charset=utf8mb4&parseTime=True&loc=Local"
 	//dsn := "root:Skyinno251,@tcp(10.19.1.29:33060)/go_freebsd?charset=utf8mb4&parseTime=True&loc=Local"
-	dsn := "root:Skyinno251,@tcp(192.168.3.9:3306)/go_freebsd?charset=utf8mb4&parseTime=True&loc=Local"
+	//dsn := "root:Skyinno251,@tcp(192.168.3.9:3306)/go_freebsd?charset=utf8mb4&parseTime=True&loc=Local"
+	//dsn := "root:Skyinno251,@tcp(192.168.1.69:3306)/go_mqtt?charset=utf8mb4&parseTime=True&loc=Local"
 
 	db, err := gorm.Open(mysql.New(mysql.Config{
 		DSN:                       dsn,   // DSN data source name