add thumbnail

mesh/api/service-meshes.go

@@ -21,6 +21,9 @@ func RegQueenMeshes(router *GinRouter) {
 			if len(hub.Name) < 1 {
 				return nil, NewError("参数不合法!")
 			}
+			if len(hub.Thumbnail) < 1 {
+				return nil, NewError("没有模型封面")
+			}
 			hub.CreateTime = time.Now()
 			hub.UserId, _ = primitive.ObjectIDFromHex(apictx.User.Parent)
 			if hub.UserId == primitive.NilObjectID {