修复pgsql和数据库导入bug，增加默认mod中的datatypes (#1712)

* 多文件: fix error specified more than once in PG

* Update sys_authority.go

* Update sys_authority.go

* sys_export_template.go: 导入Excel时使用批量插入提高性能

* 添加gorm.io/datatypes

---------

Co-authored-by: crazyrunsnail <fjyuan1991@163.com>
Co-authored-by: XiMo-210 <2831802697@qq.com>

server/service/system/sys_authority.go

@@ -2,9 +2,10 @@ package system
 
 import (
 	"errors"
-	systemReq "github.com/flipped-aurora/gin-vue-admin/server/model/system/request"
 	"strconv"
 
+	systemReq "github.com/flipped-aurora/gin-vue-admin/server/model/system/request"
+
 	"github.com/flipped-aurora/gin-vue-admin/server/global"
 	"github.com/flipped-aurora/gin-vue-admin/server/model/common/request"
 	"github.com/flipped-aurora/gin-vue-admin/server/model/system"
@@ -111,7 +112,13 @@ func (authorityService *AuthorityService) CopyAuthority(copyInfo response.SysAut
 //@return: authority system.SysAuthority, err error
 
 func (authorityService *AuthorityService) UpdateAuthority(auth system.SysAuthority) (authority system.SysAuthority, err error) {
-	err = global.GVA_DB.Where("authority_id = ?", auth.AuthorityId).First(&system.SysAuthority{}).Updates(&auth).Error
+	var oldAuthority system.SysAuthority
+	err = global.GVA_DB.Where("authority_id = ?", auth.AuthorityId).First(&oldAuthority).Error
+	if err != nil {
+		global.GVA_LOG.Debug(err.Error())
+		return system.SysAuthority{}, errors.New("查询角色数据失败")
+	}
+	err = global.GVA_DB.Model(&oldAuthority).Updates(&auth).Error
 	return auth, err
 }