migrate ✅ 优化migrate

cmd/migrate/migration/models/model.go

@@ -0,0 +1,11 @@
+package models
+
+import (
+	"time"
+)
+
+type BaseModel struct {
+	CreatedAt time.Time  `json:"createdAt"`
+	UpdatedAt time.Time  `json:"updatedAt"`
+	DeletedAt *time.Time `json:"deletedAt"`
+}