diff --git a/models/init.go b/models/init.go
index 9cebd61..9e2128d 100644
--- a/models/init.go
+++ b/models/init.go
@@ -9,10 +9,10 @@ import (
 	"github.com/gin-gonic/gin"
 	"github.com/jinzhu/gorm"
 
+	_ "github.com/glebarez/go-sqlite"
 	_ "github.com/jinzhu/gorm/dialects/mssql"
 	_ "github.com/jinzhu/gorm/dialects/mysql"
 	_ "github.com/jinzhu/gorm/dialects/postgres"
-	_ "github.com/glebarez/go-sqlite"
 )
 
 // DB 数据库链接单例
@@ -23,20 +23,26 @@ func Init() {
 	util.Log().Info("Initializing database connection...")
 
 	var (
-		db  *gorm.DB
-		err error
+		db           *gorm.DB
+		err          error
+		confDataType string = conf.DatabaseConfig.Type
 	)
 
+	// 兼容已有配置中的 "sqlite3" 配置项
+	if confDataType == "sqlite3" {
+		confDataType = "sqlite"
+	}
+
 	if gin.Mode() == gin.TestMode {
 		// 测试模式下，使用内存数据库
 		db, err = gorm.Open("sqlite", ":memory:")
 	} else {
-		switch conf.DatabaseConfig.Type {
+		switch confDataType {
 		case "UNSET", "sqlite":
 			// 未指定数据库或者明确指定为 sqlite 时，使用 SQLite 数据库
 			db, err = gorm.Open("sqlite", util.RelativePath(conf.DatabaseConfig.DBFile))
 		case "postgres":
-			db, err = gorm.Open(conf.DatabaseConfig.Type, fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%d sslmode=disable",
+			db, err = gorm.Open(confDataType, fmt.Sprintf("host=%s user=%s password=%s dbname=%s port=%d sslmode=disable",
 				conf.DatabaseConfig.Host,
 				conf.DatabaseConfig.User,
 				conf.DatabaseConfig.Password,
@@ -53,14 +59,14 @@ func Init() {
 					conf.DatabaseConfig.Port)
 			}
 
-			db, err = gorm.Open(conf.DatabaseConfig.Type, fmt.Sprintf("%s:%s@%s/%s?charset=%s&parseTime=True&loc=Local",
+			db, err = gorm.Open(confDataType, fmt.Sprintf("%s:%s@%s/%s?charset=%s&parseTime=True&loc=Local",
 				conf.DatabaseConfig.User,
 				conf.DatabaseConfig.Password,
 				host,
 				conf.DatabaseConfig.Name,
 				conf.DatabaseConfig.Charset))
 		default:
-			util.Log().Panic("Unsupported database type %q.", conf.DatabaseConfig.Type)
+			util.Log().Panic("Unsupported database type %q.", confDataType)
 		}
 	}
 
@@ -83,7 +89,7 @@ func Init() {
 
 	//设置连接池
 	db.DB().SetMaxIdleConns(50)
-	if conf.DatabaseConfig.Type == "sqlite" || conf.DatabaseConfig.Type == "UNSET" {
+	if confDataType == "sqlite" || confDataType == "UNSET" {
 		db.DB().SetMaxOpenConns(1)
 	} else {
 		db.DB().SetMaxOpenConns(100)