diff --git a/pkg/common/db/mysql.go b/pkg/common/db/mysql.go
index 4f746fc1e..d43ce736d 100644
--- a/pkg/common/db/mysql.go
+++ b/pkg/common/db/mysql.go
@@ -23,6 +23,7 @@ func (w Writer) Printf(format string, args ...interface{}) {
 }
 
 func initMysqlDB() {
+	fmt.Println("init mysqlDB start")
 	//When there is no open IM database, connect to the mysql built-in database to create openIM database
 	dsn := fmt.Sprintf("%s:%s@tcp(%s)/%s?charset=utf8mb4&parseTime=true&loc=Local",
 		config.Config.Mysql.DBUserName, config.Config.Mysql.DBPassword, config.Config.Mysql.DBAddress[0], "mysql")
@@ -40,7 +41,7 @@ func initMysqlDB() {
 			panic(err1.Error())
 		}
 	}
-
+	fmt.Println("init db", db)
 	//Check the database and table during initialization
 	sql := fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s default charset utf8 COLLATE utf8_general_ci;", config.Config.Mysql.DBDatabaseName)
 	err = db.Exec(sql).Error
@@ -48,7 +49,7 @@ func initMysqlDB() {
 		fmt.Println("0", "Exec failed ", err.Error(), sql)
 		panic(err.Error())
 	}
-
+	fmt.Println(sql)
 	dsn = fmt.Sprintf("%s:%s@tcp(%s)/%s?charset=utf8mb4&parseTime=true&loc=Local",
 		config.Config.Mysql.DBUserName, config.Config.Mysql.DBPassword, config.Config.Mysql.DBAddress[0], config.Config.Mysql.DBDatabaseName)
 
@@ -68,12 +69,12 @@ func initMysqlDB() {
 		fmt.Println("0", "Open failed ", err.Error(), dsn)
 		panic(err.Error())
 	}
-
+	fmt.Println("init db2", db)
 	sqlDB, err := db.DB()
 	if err != nil {
 		panic(err.Error())
 	}
-
+	fmt.Println("init sqlDB", sqlDB)
 	sqlDB.SetConnMaxLifetime(time.Second * time.Duration(config.Config.Mysql.DBMaxLifeTime))
 	sqlDB.SetMaxOpenConns(config.Config.Mysql.DBMaxOpenConns)
 	sqlDB.SetMaxIdleConns(config.Config.Mysql.DBMaxIdleConns)
diff --git a/script/msg_transfer_start.sh b/script/msg_transfer_start.sh
index 8a66ec35e..746cf3342 100755
--- a/script/msg_transfer_start.sh
+++ b/script/msg_transfer_start.sh
@@ -25,7 +25,7 @@ for ((i = 0; i < ${msg_transfer_service_num}; i++)); do
       prome_port=${prome_ports[$i]}
       cmd="nohup ./${msg_transfer_name}"
       if [ $prome_port != "" ]; then
-        cmd=$cmd+" -prometheus_port $prome_port"
+        cmd="$cmd -prometheus_port $prome_port"
       fi
       $cmd >>../logs/openIM.log 2>&1 &
 done