feat：注释不用的代码

app/common/model/technology_demand.go

@@ -10,7 +10,7 @@ type TechnologyDemand struct {
 	Model
 	ModelTenant
 	Local
-	UID   uint64 `gorm:"column:uid;type:int;default:0;comment:用户uuid" json:"-"`
+	MUid  uint64 `gorm:"column:m_uid;type:int;default:0;comment:用户manage_uuid" json:"-"`
 	Title string `gorm:"column:title;type:varchar(50);default:null;comment:需求名称" json:"title"`
 	Kind  string `gorm:"column:kind;type:varchar(50);default:null;comment:需求类别" json:"-"`
 	Area