diff --git a/src/api/user.ts b/src/api/user.ts
index 3119d65..7b5fdfb 100644
--- a/src/api/user.ts
+++ b/src/api/user.ts
@@ -33,6 +33,8 @@ export interface UserListItem {
   discount?: number | null;
   telegram_id?: string | null;
   phone?: string | null;
+  /** 多套餐列表（multi_plan_enable 开启时返回） */
+  plan_list?: Array<{ id: number; name: string; expired_at: number | null; speed_limit?: number | null }>;
   [k: string]: any;
 }
 
@@ -99,6 +101,19 @@ export async function getUserInfoById(id: number) {
   return adminGet<any>(`/user/getUserInfoById`, { id });
 }
 
+export interface PlanListItem {
+  plan_id: number;
+  expired_at: number | null;
+  speed_limit?: number | null;
+}
+
+export async function updateUserPlans(payload: {
+  id: number;
+  plan_list: PlanListItem[];
+}) {
+  return adminPost<any>("/user/updateUserPlans", payload);
+}
+
 export interface UserLoginLogItem {
   id: number;
   ip: string;
diff --git a/src/locales/en-US.ts b/src/locales/en-US.ts
index 5f03bf2..1d1fea8 100644
--- a/src/locales/en-US.ts
+++ b/src/locales/en-US.ts
@@ -376,6 +376,7 @@ const translations: Translations = {
       "online_count": "Online Devices",
       "status": "Status",
       "subscription": "Subscription",
+      "plan_list": "Plans",
       "group": "Group",
       "used_traffic": "Used Traffic",
       "total_traffic": "Total Traffic",
@@ -563,6 +564,15 @@ const translations: Translations = {
         "expire_time_confirm": "Confirm",
         "subscription": "Subscription Plan",
         "subscription_none": "None",
+        "multi_plan_title": "Plan List (Multi-Plan Mode)",
+        "multi_plan_hint": "When multi-plan mode is enabled, multiple active plans can be added. In single-plan mode only the first plan is shown.",
+        "plan_item_plan": "Plan",
+        "plan_item_expire": "Expires",
+        "plan_item_speed_limit": "Speed Limit (Mbps)",
+        "plan_item_speed_limit_placeholder": "Leave empty for no limit",
+        "plan_item_permanent": "Permanent",
+        "plan_item_add": "Add Plan",
+        "plan_item_remove": "Remove",
         "account_status": "Account Status",
         "banned_hint": "User cannot log in or use subscription services",
         "normal_hint": "User can use all services normally",
@@ -1403,6 +1413,10 @@ const translations: Translations = {
         "description": "Format is threshold:bonus in major units, e.g. 100:10 means deposit 100 get 10 bonus. The highest matching tier is used.",
         "placeholder": "100:10"
       },
+      "multi_plan_enable": {
+        "title": "Allow Multiple Subscription Plans",
+        "description": "When enabled, users can hold multiple active plans simultaneously. New purchases will be added alongside existing plans instead of replacing them."
+      },
       "saving": "Saving...",
       "plan": {
         "title": "Subscription Plans",
diff --git a/src/locales/ru-RU.ts b/src/locales/ru-RU.ts
index 9417b63..61a79b4 100644
--- a/src/locales/ru-RU.ts
+++ b/src/locales/ru-RU.ts
@@ -376,6 +376,7 @@ const translations: Translations = {
       "online_count": "Устройства онлайн",
       "status": "Статус",
       "subscription": "Подписка",
+      "plan_list": "Пакеты",
       "group": "Группа",
       "used_traffic": "Использовано",
       "total_traffic": "Всего трафика",
@@ -1403,6 +1404,10 @@ const translations: Translations = {
         "description": "Формат «порог:бонус» в основных единицах, например 100:10 — пополнение на 100 даёт 10 бонуса. Берётся наибольший подходящий уровень.",
         "placeholder": "100:10"
       },
+      "multi_plan_enable": {
+        "title": "Разрешить несколько подписок",
+        "description": "При включении пользователи могут одновременно иметь несколько активных подписок. Новые покупки добавляются к существующим, а не заменяют их."
+      },
       "saving": "Сохранение...",
       "plan": {
         "title": "Тарифные планы",
diff --git a/src/locales/zh-CN.ts b/src/locales/zh-CN.ts
index 5f3bf29..2889919 100644
--- a/src/locales/zh-CN.ts
+++ b/src/locales/zh-CN.ts
@@ -376,6 +376,7 @@ const translations: Translations = {
       "online_count": "在线设备",
       "status": "状态",
       "subscription": "订阅",
+      "plan_list": "套餐列表",
       "group": "权限组",
       "used_traffic": "已用流量",
       "total_traffic": "总流量",
@@ -563,6 +564,15 @@ const translations: Translations = {
         "expire_time_confirm": "确定",
         "subscription": "订阅计划",
         "subscription_none": "无",
+        "multi_plan_title": "套餐列表（多套餐模式）",
+        "multi_plan_hint": "开启多套餐模式后，可添加多个有效套餐。单套餐模式下仅显示第一个套餐。",
+        "plan_item_plan": "套餐",
+        "plan_item_expire": "到期时间",
+        "plan_item_speed_limit": "限速 (Mbps)",
+        "plan_item_speed_limit_placeholder": "留空则不限速",
+        "plan_item_permanent": "长期有效",
+        "plan_item_add": "添加套餐",
+        "plan_item_remove": "移除",
         "account_status": "账户状态",
         "banned_hint": "用户无法登录、无法使用订阅服务",
         "normal_hint": "用户可以正常使用所有服务",
@@ -1292,6 +1302,10 @@ const translations: Translations = {
         "description": "格式为「门槛元:赠送元」，例如 100:10 表示充值满 100 元赠送 10 元。取满足门槛的最大赠送。",
         "placeholder": "100:10"
       },
+      "multi_plan_enable": {
+        "title": "允许用户持有多个订阅套餐",
+        "description": "开启后用户可同时拥有多个有效套餐，新购订单会追加到现有套餐而非覆盖。"
+      },
       "saving": "保存中...",
       "plan": {
         "title": "订阅套餐",
diff --git a/src/locales/zh-TW.ts b/src/locales/zh-TW.ts
index abb5b2d..231e2f4 100644
--- a/src/locales/zh-TW.ts
+++ b/src/locales/zh-TW.ts
@@ -376,6 +376,7 @@ const translations: Translations = {
       "online_count": "在線設備",
       "status": "狀態",
       "subscription": "訂閱",
+      "plan_list": "套餐列表",
       "group": "權限組",
       "used_traffic": "已用流量",
       "total_traffic": "總流量",
@@ -1292,6 +1293,10 @@ const translations: Translations = {
         "description": "格式為「門檻元:贈送元」，例如 100:10 表示充值滿 100 元贈送 10 元。取滿足門檻的最大贈送。",
         "placeholder": "100:10"
       },
+      "multi_plan_enable": {
+        "title": "允許用戶持有多個訂閱套餐",
+        "description": "開啟後用戶可同時擁有多个有效套餐，新購訂單會追加到現有套餐而非覆蓋。"
+      },
       "saving": "保存中...",
       "plan": {
         "title": "訂閱套餐",
diff --git a/src/pages/config/sections/subscribe-section.tsx b/src/pages/config/sections/subscribe-section.tsx
index 42acf00..54004cd 100644
--- a/src/pages/config/sections/subscribe-section.tsx
+++ b/src/pages/config/sections/subscribe-section.tsx
@@ -15,6 +15,7 @@ const switchKeys: Array<{ key: string; i18n: string }> = [
   { key: "default_remind_traffic", i18n: "default_remind_traffic" },
   { key: "deposit_enable", i18n: "deposit_enable" },
   { key: "deposit_commission_enable", i18n: "deposit_commission_enable" },
+  { key: "multi_plan_enable", i18n: "multi_plan_enable" },
 ];
 
 const baseFields: FieldDef[] = [
diff --git a/src/pages/user/index.tsx b/src/pages/user/index.tsx
index 209b76e..f39002f 100644
--- a/src/pages/user/index.tsx
+++ b/src/pages/user/index.tsx
@@ -398,8 +398,8 @@ export function UserListPage() {
               <TableHead className="hidden w-[108px] text-center sm:table-cell">
                 {t("user.columns.status")}
               </TableHead>
-              <TableHead className="hidden min-w-[120px] md:table-cell">
-                {t("user.columns.subscription")}
+              <TableHead className="hidden min-w-[140px] md:table-cell">
+                {t("user.columns.plan_list")}
               </TableHead>
               <TableHead className="hidden min-w-[100px] xl:table-cell">
                 {t("user.columns.group")}
@@ -480,9 +480,13 @@ export function UserListPage() {
                 const expire = expireMeta(u.expired_at);
                 const online = Number(u.online_count || 0);
                 const selectedRow = selected.includes(u.id);
-                const planName = u.plan_id
-                  ? plansMap[u.plan_id] || `#${u.plan_id}`
-                  : null;
+                // plan_list 优先（多套餐模式）；否则回退 plan_id
+                const planNames: string[] = u.plan_list && u.plan_list.length > 0
+                  ? u.plan_list.map((p) => plansMap[p.id] || p.name || `#${p.id}`)
+                  : u.plan_id
+                    ? [plansMap[u.plan_id] || `#${u.plan_id}`]
+                    : [];
+                const planName = planNames[0] || null;
                 const groupName = u.group_id
                   ? groupsMap[u.group_id] || `#${u.group_id}`
                   : null;
@@ -509,14 +513,24 @@ export function UserListPage() {
                   </Badge>
                 );
 
-                const planBadge = planName ? (
-                  <Badge
-                    variant="secondary"
-                    className="max-w-[160px] truncate font-normal"
-                    title={planName}
-                  >
-                    {planName}
-                  </Badge>
+                const planBadge = planNames.length > 0 ? (
+                  <div className="flex flex-wrap gap-1">
+                    {planNames.map((name, i) => (
+                      <Badge
+                        key={i}
+                        variant="secondary"
+                        className={cn(
+                          "font-normal",
+                          i === planNames.length - 1
+                            ? "max-w-[140px] truncate"
+                            : "max-w-[80px] truncate",
+                        )}
+                        title={name}
+                      >
+                        {name}
+                      </Badge>
+                    ))}
+                  </div>
                 ) : (
                   <span className="text-xs text-muted-foreground">—</span>
                 );
@@ -659,15 +673,16 @@ export function UserListPage() {
                           {/* 窄屏：在独立列出现前，把关键信息并入邮箱列 */}
                           <div className="flex flex-wrap items-center gap-1 pt-0.5 md:hidden">
                             <span className="sm:hidden">{statusBadge}</span>
-                            {planName ? (
+                            {planNames.map((name, i) => (
                               <Badge
+                                key={i}
                                 variant="secondary"
                                 className="max-w-[9rem] truncate px-1.5 text-[10px] font-normal"
-                                title={planName}
+                                title={name}
                               >
-                                {planName}
+                                {name}
                               </Badge>
-                            ) : null}
+                            ))}
                           </div>
                           <button
                             type="button"
diff --git a/src/pages/user/user-edit-dialog.tsx b/src/pages/user/user-edit-dialog.tsx
index 185ebdc..9351b1f 100644
--- a/src/pages/user/user-edit-dialog.tsx
+++ b/src/pages/user/user-edit-dialog.tsx
@@ -1,8 +1,8 @@
-import { useEffect } from "react";
+import { useEffect, useState, useMemo } from "react";
 import { useTranslation } from "react-i18next";
 import { useForm, Controller } from "react-hook-form";
 import { toast } from "sonner";
-import { Loader2, Ban, ShieldCheck } from "lucide-react";
+import { Loader2, Ban, ShieldCheck, Plus, Trash2 } from "lucide-react";
 import {
   Dialog,
   DialogContent,
@@ -25,7 +25,19 @@ import {
 import { Textarea } from "@/components/ui/textarea";
 import { cn } from "@/lib/utils";
 import { usePlanOptions } from "@/hooks/use-plans";
-import { updateUser, type UserListItem } from "@/api/user";
+import {
+  updateUser,
+  updateUserPlans,
+  type UserListItem,
+  type PlanListItem,
+} from "@/api/user";
+
+/** 编辑表单内部使用的套餐状态：expired_at 用字符串（datetime-local 格式） */
+interface PlanFormState {
+  plan_id: number;
+  expired_at: string;
+  speed_limit: number | null;
+}
 
 export interface UserEditDialogProps {
   open: boolean;
@@ -57,11 +69,25 @@ interface FormValues {
   invite_user_id: number | null;
 }
 
+function toLocalInput(unix: number): string {
+  const d = new Date(unix * 1000);
+  const pad = (n: number) => String(n).padStart(2, "0");
+  return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}T${pad(d.getHours())}:${pad(d.getMinutes())}`;
+}
+
+function fromLocalInput(v: string): number | null {
+  if (!v) return null;
+  return Math.floor(new Date(v).getTime() / 1000);
+}
+
 export function UserEditDialog({ open, onOpenChange, user, onSaved }: UserEditDialogProps) {
   const { t } = useTranslation();
   const { data: plans } = usePlanOptions();
   const GB = 1073741824;
 
+  // 多套餐编辑状态
+  const [planList, setPlanList] = useState<PlanFormState[]>([]);
+
   /**
    * 数字输入：空/非法 → 0。
    * 余额/佣金：后端列表已返回「元」，更新接口再 yuanToCents，表单按元读写。
@@ -83,8 +109,10 @@ export function UserEditDialog({ open, onOpenChange, user, onSaved }: UserEditDi
     defaultValues: emptyValues(),
   });
 
+  // 监听用户变化，初始化表单和套餐列表
   useEffect(() => {
     if (user) {
+      // 初始化主表单
       reset({
         id: user.id,
         email: user.email || "",
@@ -109,11 +137,28 @@ export function UserEditDialog({ open, onOpenChange, user, onSaved }: UserEditDi
         remarks: user.remark || "",
         invite_user_id: user.invite_user_id ?? null,
       });
+
+      // 初始化套餐列表
+      if (user.plan_list && user.plan_list.length > 0) {
+        setPlanList(
+          user.plan_list.map((p) => ({
+            plan_id: p.id,
+            expired_at: p.expired_at ? toLocalInput(p.expired_at) : "",
+            speed_limit: p.speed_limit ?? null,
+          }))
+        );
+      } else {
+        setPlanList([]);
+      }
     }
   }, [user, reset]);
 
+  // 检测当前是否有套餐列表（多套餐编辑状态）
+  const isMultiPlanEnabled = planList.length > 0;
+
   const onSubmit = async (values: FormValues) => {
     try {
+      // 先保存基础信息
       const payload: any = {
         ...values,
         password: values.password || undefined,
@@ -138,6 +183,19 @@ export function UserEditDialog({ open, onOpenChange, user, onSaved }: UserEditDi
       };
       if (payload.password === undefined) delete payload.password;
       await updateUser(payload);
+
+      // 如果有套餐列表，保存多套餐信息
+      if (isMultiPlanEnabled && planList.length > 0) {
+        await updateUserPlans({
+          id: values.id,
+          plan_list: planList.map((p) => ({
+            plan_id: p.plan_id,
+            expired_at: fromLocalInput(p.expired_at),
+            speed_limit: p.speed_limit,
+          })),
+        });
+      }
+
       toast.success(t("user.edit.form.success"));
       onSaved();
       onOpenChange(false);
@@ -146,6 +204,23 @@ export function UserEditDialog({ open, onOpenChange, user, onSaved }: UserEditDi
     }
   };
 
+  const addPlan = () => {
+    setPlanList((prev) => [
+      ...prev,
+      { plan_id: 0, expired_at: "", speed_limit: null },
+    ]);
+  };
+
+  const removePlan = (index: number) => {
+    setPlanList((prev) => prev.filter((_, i) => i !== index));
+  };
+
+  const updatePlan = (index: number, field: keyof PlanFormState, value: any) => {
+    setPlanList((prev) =>
+      prev.map((p, i) => (i === index ? { ...p, [field]: value } : p))
+    );
+  };
+
   return (
     <Dialog open={open} onOpenChange={onOpenChange}>
       <DialogContent className="max-w-2xl max-h-[90vh] flex flex-col p-0 gap-0">
@@ -321,6 +396,106 @@ export function UserEditDialog({ open, onOpenChange, user, onSaved }: UserEditDi
             </Field>
           </div>
 
+          {/* 多套餐管理区域 */}
+          {user?.plan_list && user.plan_list.length > 0 && (
+            <div className="space-y-3 rounded-lg border border-primary/20 bg-primary/5 p-4">
+              <div className="flex items-center justify-between">
+                <div>
+                  <Label className="text-sm font-semibold">
+                    {t("user.edit.form.multi_plan_title")}
+                  </Label>
+                  <p className="text-xs text-muted-foreground">
+                    {t("user.edit.form.multi_plan_hint")}
+                  </p>
+                </div>
+                <Button
+                  type="button"
+                  size="sm"
+                  variant="outline"
+                  onClick={addPlan}
+                  className="h-8 gap-1"
+                >
+                  <Plus className="h-3.5 w-3.5" />
+                  {t("user.edit.form.plan_item_add")}
+                </Button>
+              </div>
+
+              <div className="space-y-2">
+                {planList.map((item, index) => (
+                  <div
+                    key={index}
+                    className="flex flex-wrap items-center gap-2 rounded-md border bg-card p-3"
+                  >
+                    <div className="flex-1 min-w-[140px]">
+                      <Label className="text-xs text-muted-foreground">
+                        {t("user.edit.form.plan_item_plan")}
+                      </Label>
+                      <Select
+                        value={item.plan_id ? String(item.plan_id) : "none"}
+                        onValueChange={(v) =>
+                          updatePlan(index, "plan_id", v === "none" ? 0 : Number(v))
+                        }
+                      >
+                        <SelectTrigger className="mt-1">
+                          <SelectValue placeholder={t("user.edit.form.subscription_none")} />
+                        </SelectTrigger>
+                        <SelectContent>
+                          <SelectItem value="none">
+                            {t("user.edit.form.subscription_none")}
+                          </SelectItem>
+                          {(plans || []).map((p) => (
+                            <SelectItem key={p.id} value={String(p.id)}>
+                              {p.name}
+                            </SelectItem>
+                          ))}
+                        </SelectContent>
+                      </Select>
+                    </div>
+
+                    <div className="flex-1 min-w-[140px]">
+                      <Label className="text-xs text-muted-foreground">
+                        {t("user.edit.form.plan_item_expire")}
+                      </Label>
+                      <Input
+                        type="datetime-local"
+                        value={item.expired_at}
+                        onChange={(e) =>
+                          updatePlan(index, "expired_at", e.target.value)
+                        }
+                        className="mt-1"
+                      />
+                    </div>
+
+                    <div className="flex-1 min-w-[120px]">
+                      <Label className="text-xs text-muted-foreground">
+                        {t("user.edit.form.plan_item_speed_limit")}
+                      </Label>
+                      <Input
+                        type="number"
+                        placeholder={t("user.edit.form.plan_item_speed_limit_placeholder")}
+                        value={item.speed_limit ?? ""}
+                        onChange={(e) =>
+                          updatePlan(index, "speed_limit", e.target.value ? Number(e.target.value) : null)
+                        }
+                        className="mt-1"
+                      />
+                    </div>
+
+                    <Button
+                      type="button"
+                      variant="ghost"
+                      size="icon"
+                      className="mt-6 h-8 w-8 text-destructive hover:bg-destructive/10"
+                      onClick={() => removePlan(index)}
+                    >
+                      <Trash2 className="h-4 w-4" />
+                    </Button>
+                  </div>
+                ))}
+              </div>
+            </div>
+          )}
+
           <div className="space-y-2">
             <Label>{t("user.edit.form.remarks")}</Label>
             <Textarea
@@ -485,9 +660,3 @@ function emptyValues(): FormValues {
     invite_user_id: null,
   };
 }
-
-function toLocalInput(unix: number): string {
-  const d = new Date(unix * 1000);
-  const pad = (n: number) => String(n).padStart(2, "0");
-  return `${d.getFullYear()}-${pad(d.getMonth() + 1)}-${pad(d.getDate())}T${pad(d.getHours())}:${pad(d.getMinutes())}`;
-}