diff --git a/go.mod b/go.mod
index 615d144..34106a7 100755
--- a/go.mod
+++ b/go.mod
@@ -2,18 +2,21 @@ module go_mqtt
 
 go 1.24.1
 
+require (
+	github.com/eclipse/paho.mqtt.golang v1.5.0
+	github.com/go-sql-driver/mysql v1.9.3
+	github.com/google/uuid v1.6.0
+	github.com/shopspring/decimal v1.4.0
+	gorm.io/driver/mysql v1.6.0
+	gorm.io/gorm v1.30.0
+)
+
 require (
 	filippo.io/edwards25519 v1.1.0 // indirect
-	github.com/eclipse/paho.mqtt.golang v1.5.0 // indirect
-	github.com/go-sql-driver/mysql v1.9.3 // indirect
-	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/jinzhu/inflection v1.0.0 // indirect
 	github.com/jinzhu/now v1.1.5 // indirect
-	github.com/shopspring/decimal v1.4.0 // indirect
 	golang.org/x/net v0.41.0 // indirect
 	golang.org/x/sync v0.15.0 // indirect
 	golang.org/x/text v0.26.0 // indirect
-	gorm.io/driver/mysql v1.6.0 // indirect
-	gorm.io/gorm v1.30.0 // indirect
 )
diff --git a/mydb/initialize.go b/mydb/initialize.go
index 3a59f61..f61d639 100755
--- a/mydb/initialize.go
+++ b/mydb/initialize.go
@@ -20,8 +20,8 @@ func initDatabase() {
 	//dsn := "root:Skyinno251,@tcp(192.168.2.18:3306)/gorm?charset=utf8mb4&parseTime=True&loc=Local"
 	//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(192.168.3.9:3306)/appserver?charset=utf8mb4&parseTime=True&loc=Local"
+	//dsn := "root:Skyinno251,@tcp(localhost:3306)/go_mqtt?charset=utf8mb4&parseTime=True&loc=Local"
 
 	db, err := gorm.Open(mysql.New(mysql.Config{
 		DSN:                       dsn,   // DSN data source name