diff --git a/models/init.go b/models/init.go
index 4714199..9153f01 100644
--- a/models/init.go
+++ b/models/init.go
@@ -32,7 +32,7 @@ func Init() {
 			// 未指定数据库时，使用SQLite
 			db, err = gorm.Open("sqlite3", util.RelativePath(conf.DatabaseConfig.DBFile))
 		} else {
-			db, err = gorm.Open(conf.DatabaseConfig.Type, fmt.Sprintf("%s:%s@(%s:%s)/%s?charset=utf8&parseTime=True&loc=Local",
+			db, err = gorm.Open(conf.DatabaseConfig.Type, fmt.Sprintf("%s:%s@(%s:%d)/%s?charset=utf8&parseTime=True&loc=Local",
 				conf.DatabaseConfig.User,
 				conf.DatabaseConfig.Password,
 				conf.DatabaseConfig.Host,
diff --git a/pkg/conf/conf.go b/pkg/conf/conf.go
index 8bf72f5..d28d043 100644
--- a/pkg/conf/conf.go
+++ b/pkg/conf/conf.go
@@ -15,7 +15,7 @@ type database struct {
 	Name        string
 	TablePrefix string
 	DBFile      string
-	Port		string
+	Port        int
 }
 
 // system 系统通用配置
diff --git a/pkg/conf/defaults.go b/pkg/conf/defaults.go
index f2b2fad..f4ff903 100644
--- a/pkg/conf/defaults.go
+++ b/pkg/conf/defaults.go
@@ -13,6 +13,7 @@ var RedisConfig = &redis{
 var DatabaseConfig = &database{
 	Type:   "UNSET",
 	DBFile: "cloudreve.db",
+	Port:   3306,
 }
 
 // SystemConfig 系统公用配置