diff --git a/.cursor/rules/node-core-framework.mdc b/.cursor/rules/node-core-framework.mdc
index 03a87c5..b92a88c 100644
--- a/.cursor/rules/node-core-framework.mdc
+++ b/.cursor/rules/node-core-framework.mdc
@@ -19,7 +19,7 @@ alwaysApply: true
 | 模型关联 | `./config/model.associations.js` |
 | 白名单 | `./config/config.js` → `allowUrls` |
 | `beforeInitApi` 实现体 | `./config/before_init_api.js`（由 `framework.config.js` 挂到 `init` 参数） |
-| 管理端通用工具（非业务域） | `api/utils/query_helpers.js`（分页/筛选/导出）、`api/utils/biz_audit.js`（审计） |
+| 管理端通用工具（非业务域） | `api/utils/query_helpers.js`（仅 `build_search_where` / `normalize_for_write`；分页与导出在各 controller 内 `findAndCountAll` / `findAll`）、`api/utils/biz_audit.js`（审计） |
 | 跨端/复杂业务 | `api/service/*`（如 `biz_auth_verify`、`biz_proxy_service`、`biz_subscription_logic`、`biz_token_logic`） |
 
 ---
diff --git a/api/controller_admin/biz_api_stats.js b/api/controller_admin/biz_api_stats.js
index ecb6b5a..80514b0 100644
--- a/api/controller_admin/biz_api_stats.js
+++ b/api/controller_admin/biz_api_stats.js
@@ -1,7 +1,7 @@
 const Sequelize = require("sequelize");
 const { Op } = Sequelize;
 const baseModel = require("../../middleware/baseModel");
-const { find_page } = require("../utils/query_helpers");
+const { build_search_where } = require("../utils/query_helpers");
 
 function build_date_where(start_date, end_date) {
   const where = {};
@@ -107,7 +107,20 @@ module.exports = {
 
   "POST /biz_api_call_log/page": async (ctx) => {
     const body = ctx.getBody();
-    const { count, rows } = await find_page(baseModel.biz_api_call_log, "biz_api_call_log", body);
+    const param = body.param || body;
+    const page_option = param.pageOption || {};
+    const seach_option = param.seachOption || {};
+    const page_num = parseInt(page_option.page, 10) || 1;
+    const page_size = parseInt(page_option.pageSize, 10) || 20;
+    const offset = (page_num - 1) * page_size;
+    const biz_api_call_log = baseModel.biz_api_call_log;
+    const where = build_search_where(biz_api_call_log, seach_option);
+    const { count, rows } = await biz_api_call_log.findAndCountAll({
+      where,
+      offset,
+      limit: page_size,
+      order: [["id", "DESC"]],
+    });
     ctx.success({ rows, count });
   },
 };
diff --git a/api/controller_admin/biz_audit_log.js b/api/controller_admin/biz_audit_log.js
index abff093..a1cfe6f 100644
--- a/api/controller_admin/biz_audit_log.js
+++ b/api/controller_admin/biz_audit_log.js
@@ -1,15 +1,43 @@
 const baseModel = require("../../middleware/baseModel");
-const { find_page, find_for_export } = require("../utils/query_helpers");
+const { build_search_where } = require("../utils/query_helpers");
 
 module.exports = {
   "POST /biz_audit_log/page": async (ctx) => {
     const body = ctx.getBody();
-    const { count, rows } = await find_page(baseModel.biz_audit_log, "biz_audit_log", body);
+    const param = body.param || body;
+    const page_option = param.pageOption || {};
+    const seach_option = param.seachOption || {};
+    const page_num = parseInt(page_option.page, 10) || 1;
+    const page_size = parseInt(page_option.pageSize, 10) || 20;
+    const offset = (page_num - 1) * page_size;
+    const biz_audit_log = baseModel.biz_audit_log;
+    const where = build_search_where(biz_audit_log, seach_option);
+    const tn = biz_audit_log.tableName;
+    const { count, rows } = await biz_audit_log.findAndCountAll({
+      where,
+      offset,
+      limit: page_size,
+      order: [["id", "DESC"]],
+      attributes: {
+        include: [[biz_audit_log.sequelize.col(`${tn}.created_at`), "created_at"]],
+      },
+    });
     ctx.success({ rows, count });
   },
   "POST /biz_audit_log/export": async (ctx) => {
     const body = ctx.getBody();
-    const res = await find_for_export(baseModel.biz_audit_log, "biz_audit_log", body);
-    ctx.success(res);
+    const param = body.param || body;
+    const biz_audit_log = baseModel.biz_audit_log;
+    const where = build_search_where(biz_audit_log, param.seachOption || {});
+    const tn = biz_audit_log.tableName;
+    const rows = await biz_audit_log.findAll({
+      where,
+      limit: 10000,
+      order: [["id", "DESC"]],
+      attributes: {
+        include: [[biz_audit_log.sequelize.col(`${tn}.created_at`), "created_at"]],
+      },
+    });
+    ctx.success({ rows });
   },
 };
diff --git a/api/controller_admin/biz_plan.js b/api/controller_admin/biz_plan.js
index b7c3bcc..9c73c60 100644
--- a/api/controller_admin/biz_plan.js
+++ b/api/controller_admin/biz_plan.js
@@ -1,11 +1,24 @@
 const baseModel = require("../../middleware/baseModel");
-const { find_page, find_for_export, normalize_for_write } = require("../utils/query_helpers");
+const { build_search_where, normalize_for_write } = require("../utils/query_helpers");
 const audit = require("../utils/biz_audit");
 
 module.exports = {
   "POST /biz_plan/page": async (ctx) => {
     const body = ctx.getBody();
-    const { count, rows } = await find_page(baseModel.biz_plan, "biz_plan", body);
+    const param = body.param || body;
+    const page_option = param.pageOption || {};
+    const seach_option = param.seachOption || {};
+    const page_num = parseInt(page_option.page, 10) || 1;
+    const page_size = parseInt(page_option.pageSize, 10) || 20;
+    const offset = (page_num - 1) * page_size;
+    const biz_plan = baseModel.biz_plan;
+    const where = build_search_where(biz_plan, seach_option);
+    const { count, rows } = await biz_plan.findAndCountAll({
+      where,
+      offset,
+      limit: page_size,
+      order: [["id", "DESC"]],
+    });
     ctx.success({ rows, count });
   },
   "POST /biz_plan/add": async (ctx) => {
@@ -82,7 +95,14 @@ module.exports = {
   },
   "POST /biz_plan/export": async (ctx) => {
     const body = ctx.getBody();
-    const res = await find_for_export(baseModel.biz_plan, "biz_plan", body);
-    ctx.success(res);
+    const param = body.param || body;
+    const biz_plan = baseModel.biz_plan;
+    const where = build_search_where(biz_plan, param.seachOption || {});
+    const rows = await biz_plan.findAll({
+      where,
+      limit: 10000,
+      order: [["id", "DESC"]],
+    });
+    ctx.success({ rows });
   },
 };
diff --git a/api/controller_admin/biz_subscription.js b/api/controller_admin/biz_subscription.js
index cbf25a7..e796efe 100644
--- a/api/controller_admin/biz_subscription.js
+++ b/api/controller_admin/biz_subscription.js
@@ -1,12 +1,25 @@
 const baseModel = require("../../middleware/baseModel");
-const { find_page, find_for_export } = require("../utils/query_helpers");
+const { build_search_where } = require("../utils/query_helpers");
 const logic = require("../service/biz_subscription_logic");
 const audit = require("../utils/biz_audit");
 
 module.exports = {
   "POST /biz_subscription/page": async (ctx) => {
     const body = ctx.getBody();
-    const { count, rows } = await find_page(baseModel.biz_subscription, "biz_subscription", body);
+    const param = body.param || body;
+    const page_option = param.pageOption || {};
+    const seach_option = param.seachOption || {};
+    const page_num = parseInt(page_option.page, 10) || 1;
+    const page_size = parseInt(page_option.pageSize, 10) || 20;
+    const offset = (page_num - 1) * page_size;
+    const biz_subscription = baseModel.biz_subscription;
+    const where = build_search_where(biz_subscription, seach_option);
+    const { count, rows } = await biz_subscription.findAndCountAll({
+      where,
+      offset,
+      limit: page_size,
+      order: [["id", "DESC"]],
+    });
     ctx.success({ rows, count });
   },
   "GET /biz_subscription/detail": async (ctx) => {
@@ -75,7 +88,14 @@ module.exports = {
   },
   "POST /biz_subscription/export": async (ctx) => {
     const body = ctx.getBody();
-    const res = await find_for_export(baseModel.biz_subscription, "biz_subscription", body);
-    ctx.success(res);
+    const param = body.param || body;
+    const biz_subscription = baseModel.biz_subscription;
+    const where = build_search_where(biz_subscription, param.seachOption || {});
+    const rows = await biz_subscription.findAll({
+      where,
+      limit: 10000,
+      order: [["id", "DESC"]],
+    });
+    ctx.success({ rows });
   },
 };
diff --git a/api/controller_admin/biz_token.js b/api/controller_admin/biz_token.js
index 662b78e..545a4a4 100644
--- a/api/controller_admin/biz_token.js
+++ b/api/controller_admin/biz_token.js
@@ -1,12 +1,25 @@
 const baseModel = require("../../middleware/baseModel");
-const { find_page, find_for_export } = require("../utils/query_helpers");
+const { build_search_where } = require("../utils/query_helpers");
 const tokenLogic = require("../service/biz_token_logic");
 const audit = require("../utils/biz_audit");
 
 module.exports = {
   "POST /biz_token/page": async (ctx) => {
     const body = ctx.getBody();
-    const { count, rows } = await find_page(baseModel.biz_api_token, "biz_api_token", body);
+    const param = body.param || body;
+    const page_option = param.pageOption || {};
+    const seach_option = param.seachOption || {};
+    const page_num = parseInt(page_option.page, 10) || 1;
+    const page_size = parseInt(page_option.pageSize, 10) || 20;
+    const offset = (page_num - 1) * page_size;
+    const biz_api_token = baseModel.biz_api_token;
+    const where = build_search_where(biz_api_token, seach_option);
+    const { count, rows } = await biz_api_token.findAndCountAll({
+      where,
+      offset,
+      limit: page_size,
+      order: [["id", "DESC"]],
+    });
     ctx.success({ rows, count });
   },
   "POST /biz_token/create": async (ctx) => {
@@ -44,7 +57,14 @@ module.exports = {
   },
   "POST /biz_token/export": async (ctx) => {
     const body = ctx.getBody();
-    const res = await find_for_export(baseModel.biz_api_token, "biz_api_token", body);
-    ctx.success(res);
+    const param = body.param || body;
+    const biz_api_token = baseModel.biz_api_token;
+    const where = build_search_where(biz_api_token, param.seachOption || {});
+    const rows = await biz_api_token.findAll({
+      where,
+      limit: 10000,
+      order: [["id", "DESC"]],
+    });
+    ctx.success({ rows });
   },
 };
diff --git a/api/controller_admin/biz_usage.js b/api/controller_admin/biz_usage.js
index 4530f3c..98e01ef 100644
--- a/api/controller_admin/biz_usage.js
+++ b/api/controller_admin/biz_usage.js
@@ -1,10 +1,23 @@
 const baseModel = require("../../middleware/baseModel");
-const { find_page, find_for_export, normalize_for_write } = require("../utils/query_helpers");
+const { build_search_where, normalize_for_write } = require("../utils/query_helpers");
 
 module.exports = {
   "POST /biz_usage/page": async (ctx) => {
     const body = ctx.getBody();
-    const { count, rows } = await find_page(baseModel.biz_usage_monthly, "biz_usage_monthly", body);
+    const param = body.param || body;
+    const page_option = param.pageOption || {};
+    const seach_option = param.seachOption || {};
+    const page_num = parseInt(page_option.page, 10) || 1;
+    const page_size = parseInt(page_option.pageSize, 10) || 20;
+    const offset = (page_num - 1) * page_size;
+    const biz_usage_monthly = baseModel.biz_usage_monthly;
+    const where = build_search_where(biz_usage_monthly, seach_option);
+    const { count, rows } = await biz_usage_monthly.findAndCountAll({
+      where,
+      offset,
+      limit: page_size,
+      order: [["id", "DESC"]],
+    });
     ctx.success({ rows, count });
   },
   "POST /biz_usage/add": async (ctx) => {
@@ -38,7 +51,14 @@ module.exports = {
   },
   "POST /biz_usage/export": async (ctx) => {
     const body = ctx.getBody();
-    const res = await find_for_export(baseModel.biz_usage_monthly, "biz_usage_monthly", body);
-    ctx.success(res);
+    const param = body.param || body;
+    const biz_usage_monthly = baseModel.biz_usage_monthly;
+    const where = build_search_where(biz_usage_monthly, param.seachOption || {});
+    const rows = await biz_usage_monthly.findAll({
+      where,
+      limit: 10000,
+      order: [["id", "DESC"]],
+    });
+    ctx.success({ rows });
   },
 };
diff --git a/api/controller_admin/biz_user.js b/api/controller_admin/biz_user.js
index 71a7883..0596b4f 100644
--- a/api/controller_admin/biz_user.js
+++ b/api/controller_admin/biz_user.js
@@ -1,5 +1,5 @@
 const Sequelize = require("sequelize");
-const { find_for_export, normalize_for_write, build_search_where } = require("../utils/query_helpers");
+const { normalize_for_write, build_search_where } = require("../utils/query_helpers");
 const baseModel = require("../../middleware/baseModel");
 const tokenLogic = require("../service/biz_token_logic");
 const audit = require("../utils/biz_audit");
@@ -13,9 +13,9 @@ module.exports = {
     const pageNum = parseInt(pageOption.page, 10) || 1;
     const pageSize = parseInt(pageOption.pageSize, 10) || 20;
     const offset = (pageNum - 1) * pageSize;
-    const model = baseModel.biz_user;
-    const where = build_search_where(model, seachOption);
-    const { count, rows } = await model.findAndCountAll({
+    const biz_user = baseModel.biz_user;
+    const where = build_search_where(biz_user, seachOption);
+    const { count, rows } = await biz_user.findAndCountAll({
       where,
       offset,
       limit: pageSize,
@@ -35,8 +35,9 @@ module.exports = {
   },
   "POST /biz_user/add": async (ctx) => {
     const body = ctx.getBody();
-    const payload = normalize_for_write(baseModel.biz_user, body, { for_create: true });
-    const row = await baseModel.biz_user.create(payload);
+    const biz_user = baseModel.biz_user;
+    const payload = normalize_for_write(biz_user, body, { for_create: true });
+    const row = await biz_user.create(payload);
     await audit.logAudit({
       admin_user_id: audit.pickAdminId(ctx),
       biz_user_id: row.id,
@@ -51,9 +52,10 @@ module.exports = {
     const body = ctx.getBody();
     const id = body.id;
     if (id === undefined || id === null || id === "") throw new Error("缺少 id");
-    const payload = normalize_for_write(baseModel.biz_user, body, { for_create: false });
+    const biz_user = baseModel.biz_user;
+    const payload = normalize_for_write(biz_user, body, { for_create: false });
     delete payload.id;
-    await baseModel.biz_user.update(payload, { where: { id } });
+    await biz_user.update(payload, { where: { id } });
     await audit.logAudit({
       admin_user_id: audit.pickAdminId(ctx),
       biz_user_id: body.id,
@@ -67,7 +69,8 @@ module.exports = {
     const body = ctx.getBody();
     const id = body.id !== undefined ? body.id : body;
     if (id === undefined || id === null || id === "") throw new Error("缺少 id");
-    await baseModel.biz_user.destroy({ where: { id } });
+    const biz_user = baseModel.biz_user;
+    await biz_user.destroy({ where: { id } });
     await audit.logAudit({
       admin_user_id: audit.pickAdminId(ctx),
       biz_user_id: body.id,
@@ -81,7 +84,8 @@ module.exports = {
     const q = ctx.query || {};
     const id = q.id || q.ID;
     if (id === undefined || id === null || id === "") throw new Error("缺少 id");
-    const user = await baseModel.biz_user.findByPk(id);
+    const biz_user = baseModel.biz_user;
+    const user = await biz_user.findByPk(id);
     if (!user) {
       return ctx.fail("用户不存在");
     }
@@ -107,7 +111,8 @@ module.exports = {
     });
   },
   "GET /biz_user/all": async (ctx) => {
-    const rows = await baseModel.biz_user.findAll({
+    const biz_user = baseModel.biz_user;
+    const rows = await biz_user.findAll({
       limit: 2000,
       order: [["id", "DESC"]],
     });
@@ -117,7 +122,8 @@ module.exports = {
     const body = ctx.getBody();
     const id = body.id;
     if (id == null) return ctx.fail("缺少 id");
-    await baseModel.biz_user.update({ status: "disabled" }, { where: { id } });
+    const biz_user = baseModel.biz_user;
+    await biz_user.update({ status: "disabled" }, { where: { id } });
     await audit.logAudit({
       admin_user_id: audit.pickAdminId(ctx),
       biz_user_id: id,
@@ -131,7 +137,8 @@ module.exports = {
     const body = ctx.getBody();
     const id = body.id;
     if (id == null) return ctx.fail("缺少 id");
-    await baseModel.biz_user.update({ status: "active" }, { where: { id } });
+    const biz_user = baseModel.biz_user;
+    await biz_user.update({ status: "active" }, { where: { id } });
     await audit.logAudit({
       admin_user_id: audit.pickAdminId(ctx),
       biz_user_id: id,
@@ -143,8 +150,15 @@ module.exports = {
   },
   "POST /biz_user/export": async (ctx) => {
     const body = ctx.getBody();
-    const res = await find_for_export(baseModel.biz_user, "biz_user", body);
-    ctx.success(res);
+    const param = body.param || body;
+    const biz_user = baseModel.biz_user;
+    const where = build_search_where(biz_user, param.seachOption || {});
+    const rows = await biz_user.findAll({
+      where,
+      limit: 10000,
+      order: [["id", "DESC"]],
+    });
+    ctx.success({ rows });
   },
   "POST /biz_user/revoke_all_tokens": async (ctx) => {
     const body = ctx.getBody();
diff --git a/api/utils/query_helpers.js b/api/utils/query_helpers.js
index 49420fe..ed21a4a 100644
--- a/api/utils/query_helpers.js
+++ b/api/utils/query_helpers.js
@@ -1,5 +1,5 @@
 /**
- * 管理端列表筛选、导出、写入字段裁剪（供 controller_admin 配合 baseModel）
+ * 管理端：筛选条件、写入字段裁剪（分页/导出在各 controller 内直接 findAndCountAll / findAll）
  */
 const Sequelize = require("sequelize");
 const { Op } = Sequelize;
@@ -76,53 +76,7 @@ function normalize_for_write(model, data, { for_create } = {}) {
   return out;
 }
 
-function list_query_extra(model_name, model) {
-  if (model_name === "biz_audit_log") {
-    const tn = model.tableName;
-    return {
-      attributes: {
-        include: [[model.sequelize.col(`${tn}.created_at`), "created_at"]],
-      },
-    };
-  }
-  return {};
-}
-
-async function find_page(model, model_name, body, extra_find_options = {}) {
-  const param = body.param || body;
-  const page_option = param.pageOption || {};
-  const seach_option = param.seachOption || {};
-  const page_num = parseInt(page_option.page, 10) || 1;
-  const page_size = parseInt(page_option.pageSize, 10) || 20;
-  const offset = (page_num - 1) * page_size;
-  const where = build_search_where(model, seach_option);
-  return model.findAndCountAll({
-    where,
-    offset,
-    limit: page_size,
-    order: [["id", "DESC"]],
-    ...list_query_extra(model_name, model),
-    ...extra_find_options,
-  });
-}
-
-async function find_for_export(model, model_name, body, extra_find_options = {}) {
-  const param = body.param || body;
-  const where = build_search_where(model, param.seachOption || {});
-  const rows = await model.findAll({
-    where,
-    limit: 10000,
-    order: [["id", "DESC"]],
-    ...list_query_extra(model_name, model),
-    ...extra_find_options,
-  });
-  return { rows };
-}
-
 module.exports = {
   build_search_where,
   normalize_for_write,
-  list_query_extra,
-  find_page,
-  find_for_export,
 };