diff --git a/viewpanel/src/com/spineview/ObjectPanel.java b/viewpanel/src/com/spineview/ObjectPanel.java
index 807c96b..0e8a664 100644
--- a/viewpanel/src/com/spineview/ObjectPanel.java
+++ b/viewpanel/src/com/spineview/ObjectPanel.java
@@ -198,6 +198,14 @@ public final class ObjectPanel {
     });
 
     startSelectionWatcher(state);
+    // 把上/中/下三段边界画出来：根表格正好是"按钮 / 中段 / 日志"三个单元格，
+    // Table.setDebug(true) 会给每个单元格描边（载荷名 `et.B(Z)V`，对照表已确认）。
+    try {
+      call(root, Obf.TABLE_SET_DEBUG, new Class<?>[] {boolean.class}, void.class, Boolean.TRUE);
+      System.err.println("[panel] 已开启三段边界描边（setDebug）");
+    } catch (Throwable error) {
+      System.err.println("[panel] 开启描边失败: " + error);
+    }
     System.err.println("[panel] 增删改查面板已建好");
     refreshList(state);
     return root;