diff --git a/scripts/gen_home_index.py b/scripts/gen_home_index.py
index b69d10b..adf51e4 100644
--- a/scripts/gen_home_index.py
+++ b/scripts/gen_home_index.py
@@ -9,24 +9,37 @@ IDX = os.path.join(ROOT, 'wwwroot', 'index.ui')
 with io.open(IDX, encoding='utf-8') as f:
     old = f.read()
 
-# 幂等：已生成过则先还原工作区分支（用 git show HEAD 由调用方保证，这里检测标记）
-assert '{% if get_user() %}' not in old, 'index.ui 已经是双分支版本，勿重复生成（用 git checkout 还原后重跑）'
+# 幂等：若已是双分支版本，先抽出工作台分支（old），再重拼门户分支
+PREFIX = '{% if get_user() %}\n'
+MARK = '\n{% else %}\n{'
+if old.startswith(PREFIX):
+    i = old.rfind(MARK)
+    assert i > 0, 'generated file but marker not found'
+    old = old[len(PREFIX):i] + '\n'
+else:
+    assert '{% if get_user() %}' not in old, 'unexpected mixed file'
 
 def T(s, css=None, **kw):
-    """TextBase 三件套：otext+text+i18n（W1 规范）"""
+    """TextBase 三件套：otext+text+i18n（W1 规范）。binds/id 必须在 widget 顶层（bricks 不读 options.binds）。"""
     o = {'otext': s, 'text': s, 'i18n': True, 'halign': 'left'}
     if css:
         o['css'] = css
+    top = {k: kw.pop(k) for k in ('binds', 'id') if k in kw}
     o.update(kw)
-    return {'widgettype': 'Text', 'options': o}
+    w = {'widgettype': 'Text', 'options': o}
+    w.update(top)
+    return w
 
 def TN(s, css=None, **kw):
-    """不翻译的 Text（数字/英文装饰字）"""
+    """不翻译的 Text（数字/英文装饰字）。binds/id 同样提到顶层。"""
     o = {'text': s, 'halign': 'left'}
     if css:
         o['css'] = css
+    top = {k: kw.pop(k) for k in ('binds', 'id') if k in kw}
     o.update(kw)
-    return {'widgettype': 'Text', 'options': o}
+    w = {'widgettype': 'Text', 'options': o}
+    w.update(top)
+    return w
 
 def login_bind():
     return {'wid': 'self', 'event': 'click', 'actiontype': 'urlwidget', 'target': 'self',
diff --git a/wwwroot/index.ui b/wwwroot/index.ui
index 2c6c029..4a3757a 100644
--- a/wwwroot/index.ui
+++ b/wwwroot/index.ui
@@ -724,6 +724,7 @@
     }
   ]
 }
+
 {% else %}
 {
  "id": "app",
@@ -796,17 +797,17 @@
         "i18n": true,
         "halign": "left",
         "css": "pl-nav",
-        "mobile_hidden": true,
-        "binds": [
-         {
-          "wid": "self",
-          "event": "click",
-          "actiontype": "script",
-          "target": "self",
-          "script": "var e=document.getElementById(\"sec_caps\");if(e){e.scrollIntoView({behavior:'smooth',block:'start'});}"
-         }
-        ]
-       }
+        "mobile_hidden": true
+       },
+       "binds": [
+        {
+         "wid": "self",
+         "event": "click",
+         "actiontype": "script",
+         "target": "self",
+         "script": "var e=document.getElementById(\"sec_caps\");if(e){e.scrollIntoView({behavior:'smooth',block:'start'});}"
+        }
+       ]
       },
       {
        "widgettype": "Text",
@@ -816,17 +817,17 @@
         "i18n": true,
         "halign": "left",
         "css": "pl-nav",
-        "mobile_hidden": true,
-        "binds": [
-         {
-          "wid": "self",
-          "event": "click",
-          "actiontype": "script",
-          "target": "self",
-          "script": "var e=document.getElementById(\"sec_pipes\");if(e){e.scrollIntoView({behavior:'smooth',block:'start'});}"
-         }
-        ]
-       }
+        "mobile_hidden": true
+       },
+       "binds": [
+        {
+         "wid": "self",
+         "event": "click",
+         "actiontype": "script",
+         "target": "self",
+         "script": "var e=document.getElementById(\"sec_pipes\");if(e){e.scrollIntoView({behavior:'smooth',block:'start'});}"
+        }
+       ]
       },
       {
        "widgettype": "Text",
@@ -836,17 +837,17 @@
         "i18n": true,
         "halign": "left",
         "css": "pl-nav",
-        "mobile_hidden": true,
-        "binds": [
-         {
-          "wid": "self",
-          "event": "click",
-          "actiontype": "script",
-          "target": "self",
-          "script": "var e=document.getElementById(\"sec_flow\");if(e){e.scrollIntoView({behavior:'smooth',block:'start'});}"
-         }
-        ]
-       }
+        "mobile_hidden": true
+       },
+       "binds": [
+        {
+         "wid": "self",
+         "event": "click",
+         "actiontype": "script",
+         "target": "self",
+         "script": "var e=document.getElementById(\"sec_flow\");if(e){e.scrollIntoView({behavior:'smooth',block:'start'});}"
+        }
+       ]
       },
       {
        "widgettype": "Button",