diff --git a/addons/game_designer/core_tab.gd b/addons/game_designer/core_tab.gd
index 640fc32..698a07c 100644
--- a/addons/game_designer/core_tab.gd
+++ b/addons/game_designer/core_tab.gd
@@ -22,7 +22,7 @@ var _mana_leech: SpinBox
 var _feat: OptionButton
 var _rows: SpinBox
 var _cols: SpinBox
-var _edges: TextEdit
+var _edges
 var _status: Label
 
 func _ready() -> void:
@@ -49,9 +49,11 @@ func _ready() -> void:
 	_rows = _row("矩阵行(MATRIX)", UI.spin(1, 8, 1, 1))
 	_cols = _row("矩阵列(MATRIX)", UI.spin(1, 16, 1, 5))
 	add_child(Label.new())
-	var el := Label.new(); el.text = "电路边(CIRCUIT，JSON)"; add_child(el)
-	_edges = TextEdit.new(); _edges.custom_minimum_size = Vector2(0, 50)
-	_edges.placeholder_text = '[{"from":0,"to":1},{"from":0,"to":2}]'
+	var el := Label.new(); el.text = "电路边(CIRCUIT，from → to)"; add_child(el)
+	_edges = preload("res://addons/game_designer/tuple_list_editor.gd").new()
+	_edges.setup([
+		{"label": "from", "min": 0, "max": 63, "step": 1, "int": true},
+		{"label": "→ to", "min": 0, "max": 63, "step": 1, "int": true}], "➕ 加边")
 	add_child(_edges)
 	add_child(HSeparator.new())
 	var srow := HBoxContainer.new(); add_child(srow)
@@ -93,15 +95,18 @@ func _on_select(idx: int) -> void:
 	_feat.selected = int(d.get("feature_tags", 0))
 	_rows.value = float(d.get("grid_rows", 1))
 	_cols.value = float(d.get("grid_cols", 5))
-	_edges.text = JSON.stringify(d.get("edges", []))
+	var erows := []
+	for e in d.get("edges", []):
+		erows.append([int(e.get("from", 0)), int(e.get("to", 0))])
+	_edges.set_values(erows)
 
 func _on_apply() -> void:
 	var cid: String = _id.text.strip_edges()
 	if cid == "":
 		UI.set_status(_status, "✗ ID 不能为空", true); return
-	var edges = JSON.parse_string(_edges.text) if _edges.text.strip_edges() != "" else []
-	if not (edges is Array):
-		edges = []
+	var edges := []
+	for r in _edges.get_values():
+		edges.append({"from": r[0], "to": r[1]})
 	if _cur != "" and _cur != cid and _data.has(_cur):
 		_data.erase(_cur)
 	_data[cid] = {