diff --git a/g/database/gdb/gdb_base.go b/g/database/gdb/gdb_base.go
index 01ec77e2a..032bdbf23 100644
--- a/g/database/gdb/gdb_base.go
+++ b/g/database/gdb/gdb_base.go
@@ -308,7 +308,6 @@ func (db *Db) Begin() (*Tx, error) {
 func (db *Db) getInsertOperationByOption(option uint8) string {
     oper := "INSERT"
     switch option {
-        case OPTION_INSERT:
         case OPTION_REPLACE:
             oper = "REPLACE"
         case OPTION_SAVE:
diff --git a/g/database/gdb/gdb_sqlite.go b/g/database/gdb/gdb_sqlite.go
index 6c67da878..2dda7fe9c 100644
--- a/g/database/gdb/gdb_sqlite.go
+++ b/g/database/gdb/gdb_sqlite.go
@@ -44,6 +44,9 @@ func (db *dbsqlite) getQuoteCharRight() string {
 }
 
 // 在执行sql之前对sql进行进一步处理
+// @todo 需要增加对Save方法的支持，可使用正则来实现替换，
+// @todo 将ON DUPLICATE KEY UPDATE触发器修改为两条SQL语句(INSERT OR IGNORE & UPDATE)
 func (db *dbsqlite) handleSqlBeforeExec(q *string) *string {
+
 	return q
 }
diff --git a/geg/database/mysql/gdb.go b/geg/database/orm/mysql/gdb.go
similarity index 100%
rename from geg/database/mysql/gdb.go
rename to geg/database/orm/mysql/gdb.go
diff --git a/geg/database/mysql/gdb_cache.go b/geg/database/orm/mysql/gdb_cache.go
similarity index 100%
rename from geg/database/mysql/gdb_cache.go
rename to geg/database/orm/mysql/gdb_cache.go
diff --git a/geg/database/mysql/gdb_debug.go b/geg/database/orm/mysql/gdb_debug.go
similarity index 100%
rename from geg/database/mysql/gdb_debug.go
rename to geg/database/orm/mysql/gdb_debug.go
diff --git a/geg/database/mysql/gdb_json_xml.go b/geg/database/orm/mysql/gdb_json_xml.go
similarity index 100%
rename from geg/database/mysql/gdb_json_xml.go
rename to geg/database/orm/mysql/gdb_json_xml.go
diff --git a/geg/database/orm/sqlite/sqlite.go b/geg/database/orm/sqlite/sqlite.go
new file mode 100644
index 000000000..8ee930bd1
--- /dev/null
+++ b/geg/database/orm/sqlite/sqlite.go
@@ -0,0 +1,47 @@
+package main
+
+//import (
+//    _ "github.com/mattn/go-sqlite3"
+//    "gitee.com/johng/gf/g/database/gdb"
+//    "gitee.com/johng/gf/g"
+//    "fmt"
+//)
+//
+//func main() {
+//    gdb.SetConfig(gdb.Config{
+//        "default": gdb.ConfigGroup{
+//            gdb.ConfigNode{
+//                Name: "/tmp/my.db",
+//                Type: "sqlite",
+//            },
+//        },
+//    })
+//    db := g.Database()
+//    if db == nil {
+//        panic("db create failed")
+//    }
+//    defer db.Close()
+//
+//    // 创建表
+//    sql := `CREATE TABLE user (
+//        uid  INT PRIMARY KEY NOT NULL,
+//        name VARCHAR(30) NOT NULL
+//    );`
+//    if _, err := db.Exec(sql); err != nil {
+//        fmt.Println(err)
+//    }
+//
+//    // 写入数据
+//    result, err := db.Table("user").Data(g.Map{"uid" : 1, "name" : "john"}).Save()
+//    if err == nil {
+//        fmt.Println(result.RowsAffected())
+//    } else {
+//        fmt.Println(err)
+//    }
+//
+//    // 删除表
+//    sql  = `DROP TABLE user;`
+//    if _, err := db.Exec(sql); err != nil {
+//        fmt.Println(err)
+//    }
+//}
\ No newline at end of file
diff --git a/geg/other/test.go b/geg/other/test.go
index ab813f9ee..744fb4fea 100644
--- a/geg/other/test.go
+++ b/geg/other/test.go
@@ -1,20 +1,9 @@
 package main
 
 import (
-	"fmt"
-	"gitee.com/johng/gf/g/os/gtime"
+    "fmt"
 )
 
 func main() {
-    fmt.Println(gtime.Second())
-    fmt.Println(gtime.Nanosecond())
-	t := gtime.Millisecond()
-	for t < 1e18 {
-        t *= 10
-    }
-	fmt.Println(t)
-	fmt.Println(int64(t/1e9))
-	fmt.Println(t%1e9)
-
-	fmt.Println(gtime.NewFromTimeStamp(t).Format("Y-m-d H:i:s.u"))
-}
+    fmt.Println(1)
+}
\ No newline at end of file