diff --git a/docs/交易执行手册与行为准则.xmind b/docs/交易执行手册与行为准则.xmind
index 9f54460..0cc8cdb 100644
Binary files a/docs/交易执行手册与行为准则.xmind and b/docs/交易执行手册与行为准则.xmind differ
diff --git a/scripts/build_playbook_xmind.py b/scripts/build_playbook_xmind.py
index 9363117..db52c2c 100644
--- a/scripts/build_playbook_xmind.py
+++ b/scripts/build_playbook_xmind.py
@@ -511,14 +511,14 @@ def build_content() -> list:
                 label="纪律",
             ),
         ],
-        markers=["other-people", "star-dark-blue"],
-        labels=["商务版"],
+        # 中心主题保持干净：不加图标/标签/备注，避免绿人、黄便签等杂乱标识
+        markers=None,
+        labels=None,
         fill=C_ROOT,
         color=C_TEXT,
         font_size="20pt",
         bold=True,
         line=C_ROOT,
-        notes="个人交易执行体系 · 向右逻辑图 · 商务标识版\n来源：交易执行手册 v2 + 交易行为准则-开单三检",
     )
     root["structureClass"] = "org.xmind.ui.logic.right"