diff --git a/base/mqtt.go b/base/mqtt.go
index 7678f2f..ca03d94 100644
--- a/base/mqtt.go
+++ b/base/mqtt.go
@@ -1,16 +1,16 @@
 package base
 
 type Mqtt struct {
-	Uuid         string             `db:"uuid"`
-	Code         string             `db:"code"`
-	Name         string             `db:"name"`
-	ResourceUuid string             `db:"resource_uuid"`
-	OwnedUser    string             `db:"owned_user"`
-	UpdatedAt    string             `db:"updated_at"`
-	CreatedAt    string             `db:"created_at"`
-	Enabled      bool               `db:"enabled"`
-	Roles        []map[string]int64 `db:"roles"`
-	Params       []ResApiParam      `db:"params"`
+	Uuid         string           `db:"uuid"`
+	Code         string           `db:"code"`
+	Name         string           `db:"name"`
+	ResourceUuid string           `db:"resource_uuid"`
+	OwnedUser    string           `db:"owned_user"`
+	UpdatedAt    string           `db:"updated_at"`
+	CreatedAt    string           `db:"created_at"`
+	Enabled      bool             `db:"enabled"`
+	Roles        map[string]int64 `db:"roles"`
+	Params       []ResApiParam    `db:"params"`
 }
 
 type GetMqtt func(code string) (Mqtt, bool)