Update BaseController.go

fix bug, change wrong import

controllers/BaseController.go

@@ -10,9 +10,9 @@ import (
 	"time"
 
 	"github.com/astaxie/beego"
-	"github.com/lifei6671/mindoc/conf"
-	"github.com/lifei6671/mindoc/models"
-	"github.com/lifei6671/mindoc/utils"
+	"github.com/mindoc-org/mindoc/conf"
+	"github.com/mindoc-org/mindoc/models"
+	"github.com/mindoc-org/mindoc/utils"
 	"html/template"
 	"io/ioutil"
 	"path/filepath"