diff --git a/scripts/autoload/DownloadManager.gd b/scripts/autoload/DownloadManager.gd
index 6efe6fd..2a16da0 100644
--- a/scripts/autoload/DownloadManager.gd
+++ b/scripts/autoload/DownloadManager.gd
@@ -1,5 +1,7 @@
 extends Node
 
+var uuid: String
+
 func create_file(file_path: String) -> void:
 	var base_dir = file_path.get_base_dir()
 	if !DirAccess.dir_exists_absolute(base_dir):
@@ -16,8 +18,15 @@ func download_file(server_path: String, local_path: String) -> void:
 	http.download_file = file_path
 	http.request(server_path)
 
+func get_uuid() -> void:
+	var index_file = FileAccess.open("user://download/temp/index.json", FileAccess.READ)
+	var index_text = index_file.get_as_text()
+	var content = JSON.parse_string(index_text)
+	index_file.close()
+	uuid = content["uuid"]
+
 func download_defs(type: String, origin: String) -> void:
-	var list_file = FileAccess.open("user://download/source/%ss/list.json" % [type], FileAccess.READ)
+	var list_file = FileAccess.open("user://download/%s/%ss/list.json" % [uuid, type], FileAccess.READ)
 	var list_text = list_file.get_as_text()
 	var list = JSON.parse_string(list_text)
 	list_file.close()
@@ -25,10 +34,10 @@ func download_defs(type: String, origin: String) -> void:
 		return
 	for k in list:
 		var filename = list[k]
-		download_file("%s%s/id/%s" % [origin, type, k], "user://download/source/%ss/%s.json" % [type, filename])
+		download_file("%s%s/id/%s" % [origin, type, k], "user://download/%s/%ss/%s.json" % [uuid, type, filename])
 
 func download_assets(origin: String) -> void:
-	var list_file = FileAccess.open("user://download/source/assets/list.json", FileAccess.READ)
+	var list_file = FileAccess.open("user://download/%s/assets/list.json" % [uuid], FileAccess.READ)
 	var list_text = list_file.get_as_text()
 	var list = JSON.parse_string(list_text)
 	list_file.close()
@@ -36,10 +45,10 @@ func download_assets(origin: String) -> void:
 		return
 	for k in list["pics"]:
 		var filename = list["pics"][k]
-		download_file("%sasset/pic/%s" % [origin, k], "user://download/source/assets/pics/%s" % [filename])
+		download_file("%sasset/pic/%s" % [origin, k], "user://download/%s/assets/pics/%s" % [uuid, filename])
 	for k in list["sounds"]:
 		var filename = list["sounds"][k]
-		download_file("%sasset/sound/%s" % [origin, k], "user://download/source/assets/sounds/%s" % [filename])
+		download_file("%sasset/sound/%s" % [origin, k], "user://download/%s/assets/sounds/%s" % [uuid, filename])
 
 func download_from_origin() -> int:
 	var origin = GameManager.data_origin
@@ -54,11 +63,15 @@ func download_from_origin() -> int:
 
 	if origin[-1] != "/":
 		origin = origin + "/"
+	
+	#download_file(origin + "index", "user://download/temp/index.json")
 
-	download_file(origin + "card/list", "user://download/source/cards/list.json")
-	download_file(origin + "reaction/list", "user://download/source/reactions/list.json")
-	download_file(origin + "matter/list", "user://download/source/matters/list.json")
-	download_file(origin + "asset/list", "user://download/source/assets/list.json")
+	# get_uuid()
+
+	download_file(origin + "card/list", "user://download/%s/cards/list.json" % [uuid])
+	download_file(origin + "reaction/list", "user://download/%s/reactions/list.json" % [uuid])
+	download_file(origin + "matter/list", "user://download/%s/matters/list.json" % [uuid])
+	download_file(origin + "asset/list", "user://download/%s/assets/list.json" % [uuid])
 	
 	download_defs("card", origin)
 	download_defs("reaction", origin)
@@ -69,19 +82,19 @@ func download_from_origin() -> int:
 	return 0
 
 func load_resource():
-	var card_file = FileAccess.open("user://download/source/cards/list.json", FileAccess.READ)
+	var card_file = FileAccess.open("user://download/%s/cards/list.json" % [uuid], FileAccess.READ)
 	GameManager.card_list = JSON.parse_string(card_file.get_as_text())
 	card_file.close()
 
-	var reaction_file = FileAccess.open("user://download/source/reactions/list.json", FileAccess.READ)
+	var reaction_file = FileAccess.open("user://download/%s/reactions/list.json" % [uuid], FileAccess.READ)
 	GameManager.reaction_list = JSON.parse_string(reaction_file.get_as_text())
 	reaction_file.close()
 
-	var matter_file = FileAccess.open("user://download/source/matters/list.json", FileAccess.READ)
+	var matter_file = FileAccess.open("user://download/%s/matters/list.json" % [uuid], FileAccess.READ)
 	GameManager.matter_list = JSON.parse_string(matter_file.get_as_text())
 	matter_file.close()
 
-	var asset_file = FileAccess.open("user://download/source/assets/list.json", FileAccess.READ)
+	var asset_file = FileAccess.open("user://download/%s/assets/list.json" % [uuid], FileAccess.READ)
 	var asset_list = JSON.parse_string(asset_file.get_as_text())
 	GameManager.pic_list = asset_list["pics"]
 	GameManager.sound_list = asset_list["sounds"]
diff --git a/scripts/game/card.gd b/scripts/game/card.gd
index 7aab8c2..52ab00e 100644
--- a/scripts/game/card.gd
+++ b/scripts/game/card.gd
@@ -9,4 +9,4 @@ func set_texture(pic: String) -> void:
 
 func set_card(cname: String) -> void:
     card_name = cname
-    # set_texture(GameManager.pic_list[card_name])
\ No newline at end of file
+    set_texture(GameManager.pic_list[card_name])
\ No newline at end of file