diff --git a/.gitignore b/.gitignore
index 3c7cc48..bd740be 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,7 @@ dist/
 # CRUD generated directories (auto-generated by xls2ui at build time, NOT in repo)
 wwwroot/llm_vendor/
 wwwroot/llm_account/
+wwwroot/llm_account_by_vendor/
 wwwroot/llm_model/
 wwwroot/llm_api_profile/
 wwwroot/llm_org_policy/
diff --git a/json/llm_account_list.json b/json/llm_account_by_vendor.json
similarity index 84%
rename from json/llm_account_list.json
rename to json/llm_account_by_vendor.json
index e6d4052..e59ccb1 100644
--- a/json/llm_account_list.json
+++ b/json/llm_account_by_vendor.json
@@ -1,5 +1,6 @@
 {
   "tblname": "llm_account",
+  "alias": "llm_account_by_vendor",
   "title": "供应商账号",
   "params": {
     "sortby": "name",
@@ -7,15 +8,10 @@
     "browserfields": {
       "exclouded": [
         "id",
-        "api_key"
+        "api_key",
+        "vendor_id"
       ],
       "alters": {
-        "vendor_id": {
-          "uitype": "code",
-          "dataurl": "{{entire_url('../api/get_llm_vendor_options.dspy')}}",
-          "valueField": "value",
-          "textField": "text"
-        },
         "status": {
           "uitype": "code",
           "dataurl": "{{entire_url('../api/get_llm_status_options.dspy')}}",
@@ -34,6 +30,7 @@
     "editexclouded": [
       "id",
       "org_id",
+      "vendor_id",
       "balance",
       "total_recharge",
       "created_at",
diff --git a/json/llm_vendor_list.json b/json/llm_vendor_list.json
index 1166f53..21774be 100644
--- a/json/llm_vendor_list.json
+++ b/json/llm_vendor_list.json
@@ -30,6 +30,14 @@
       "new_data_url": "{{entire_url('../api/add_llm_vendor.dspy')}}",
       "update_data_url": "{{entire_url('../api/update_llm_vendor.dspy')}}",
       "delete_data_url": "{{entire_url('../api/delete_llm_vendor.dspy')}}"
-    }
+    },
+    "subtables": [
+      {
+        "field": "vendor_id",
+        "title": "供应商账号",
+        "subtable": "llm_account_by_vendor",
+        "url": "{{entire_url('/pipeline-llm/llm_account_by_vendor')}}"
+      }
+    ]
   }
 }
diff --git a/pipeline_llm/init.py b/pipeline_llm/init.py
index a1e01fe..b3d11fb 100644
--- a/pipeline_llm/init.py
+++ b/pipeline_llm/init.py
@@ -222,10 +222,18 @@ async def create_llm_account(params_kw):
 
 
 async def update_llm_account(params_kw):
-    """账号更新：api_key 非空才重新加密（空=不改）。"""
+    """账号更新：api_key 非空才重新加密（空=不改）。
+
+    vendor_id 归属不可改：账号在哪个供应商下创建就固定在哪个供应商下，
+    防止子表（按供应商过滤）入口下篡改表单把账号挪到别的供应商。
+    """
     result = {'success': False, 'message': ''}
     try:
         data = _clean(params_kw)
+        aid = data.get('id', '')
+        if not aid:
+            raise ValueError('缺少 id')
+        data.pop('vendor_id', None)
         if data.get('api_key') and data['api_key'] != MASK:
             data['api_key'] = encrypt_api_key(data['api_key'])
         else:
@@ -243,17 +251,28 @@ async def update_llm_account(params_kw):
 
 
 async def delete_llm_account(params_kw):
+    """账号删除：被模型引用时禁止；带 vendor_id 时校验归属（子表范围隔离）。"""
     result = {'success': False, 'message': ''}
     try:
-        aid = (params_kw or {}).get('id', '')
+        pk = params_kw or {}
+        aid = pk.get('id', '')
         if not aid:
             raise ValueError('缺少 id')
         db, dbname = _get_sor()
         async with db.sqlorContext(dbname) as sor:
             recs = await sor.sqlExe(
+                "SELECT vendor_id FROM llm_account WHERE id=${a}$", {"a": aid})
+            await sor.sqlExe("COMMIT", {})
+            if not recs:
+                raise ValueError('账号不存在')
+            # 子表入口会带 vendor_id：校验账号确实属于该供应商，防跨供应商误删/越权删
+            expect_vid = pk.get('vendor_id', '')
+            if expect_vid and getattr(recs[0], 'vendor_id', '') != expect_vid:
+                raise ValueError('账号不属于该供应商，禁止删除')
+            cnt_recs = await sor.sqlExe(
                 "SELECT COUNT(*) AS c FROM llm_model WHERE account_id=${a}$", {"a": aid})
             await sor.sqlExe("COMMIT", {})
-            cnt = int(getattr(recs[0], 'c', 0)) if recs else 0
+            cnt = int(getattr(cnt_recs[0], 'c', 0)) if cnt_recs else 0
             if cnt > 0:
                 raise ValueError('该账号被 %d 个模型设为默认账号，请先解除后再删除' % cnt)
             await sor.sqlExe("DELETE FROM llm_account WHERE id=${a}$", {"a": aid})
diff --git a/wwwroot/index.ui b/wwwroot/index.ui
index bc1c5fd..2085e27 100644
--- a/wwwroot/index.ui
+++ b/wwwroot/index.ui
@@ -82,31 +82,6 @@
                                         {"widgettype": "Text", "options": {"text": "供应商协议 + 全球端点目录（国内/国际，配置一次全账号共用）", "cfontsize": 1.2}}
                                     ]
                                 },
-                                {
-                                    "widgettype": "VBox",
-                                    "options": {
-                                        "css": "card",
-                                        "cwidth": 25,
-                                        "padding": "16px",
-                                        "cursor": "pointer"
-                                    },
-                                    "binds": [
-                                        {
-                                            "wid": "self",
-                                            "event": "click",
-                                            "actiontype": "urlwidget",
-                                            "target": "app.llm_content",
-                                            "options": {
-                                                "url": "{{entire_url('/pipeline-llm/llm_account')}}"
-                                            },
-                                            "mode": "replace"
-                                        }
-                                    ],
-                                    "subwidgets": [
-                                        {"widgettype": "Title4", "options": {"text": "供应商账号（钱包）", "marginBottom": "8px"}},
-                                        {"widgettype": "Text", "options": {"text": "多账号独立充值记账、选用端点；轮转突破供应商限流", "cfontsize": 1.2}}
-                                    ]
-                                },
                                 {
                                     "widgettype": "VBox",
                                     "options": {