diff --git a/src/pages/users/index.tsx b/src/pages/users/index.tsx
index 1eb633c..98be157 100644
--- a/src/pages/users/index.tsx
+++ b/src/pages/users/index.tsx
@@ -13,7 +13,12 @@ import { Select, SelectContent, SelectItem, SelectTrigger, SelectValue } from "@
 import { Dialog, DialogContent, DialogFooter, DialogHeader, DialogTitle } from "@/components/ui/dialog";
 import { formatDate } from "@/lib/utils";
 
-const PORT_ROLES = ["operator", "government", "enterprise", "provider", "carrier", "opc_member", "investor"];
+// 账号三类（中文）：子账号=平台端账号；OPC=其它端口通用 OPC 账号；园区账号=园区端(用于绑定园区管理员)
+const ACCOUNT_ROLES = [
+  { label: "子账号（平台端）", value: "operator", hint: "平台管理方/运营" },
+  { label: "OPC 账号（其它端口通用）", value: "opc_member", hint: "OPC 超级个体默认" },
+  { label: "园区账号（园区端 · 用于绑定园区管理员）", value: "carrier", hint: "绑定为园区管理员" },
+];
 const EMPTY = { username: "", nickname: "", role: "opc_member", sub_role: "" };
 
 export default function UsersPage() {
@@ -75,11 +80,14 @@ export default function UsersPage() {
             <div className="space-y-1.5"><Label>账号</Label><Input disabled={!!editing} value={form.username} onChange={(e) => setForm((f) => ({ ...f, username: e.target.value }))} /></div>
             {!editing && <div className="space-y-1.5"><Label>初始密码</Label><Input value={form.password ?? ""} onChange={(e) => setForm((f) => ({ ...f, password: e.target.value }))} /></div>}
             <div className="space-y-1.5"><Label>昵称</Label><Input value={form.nickname} onChange={(e) => setForm((f) => ({ ...f, nickname: e.target.value }))} /></div>
-            <div className="space-y-1.5"><Label>端口角色</Label>
-              <Select value={form.role} onValueChange={(v) => setForm((f) => ({ ...f, role: v }))}>
-                <SelectTrigger className="w-full"><SelectValue /></SelectTrigger>
-                <SelectContent>{PORT_ROLES.map((r) => <SelectItem key={r} value={r}>{r}</SelectItem>)}</SelectContent>
+            <div className="space-y-1.5"><Label>账号类型</Label>
+              <Select value={form.role} onValueChange={(v) => setForm((f) => ({ ...f, role: v, sub_role: "" }))}>
+                <SelectTrigger className="w-full"><SelectValue placeholder="选择账号类型" /></SelectTrigger>
+                <SelectContent>
+                  {ACCOUNT_ROLES.map((r) => <SelectItem key={r.value} value={r.value}>{r.label}</SelectItem>)}
+                </SelectContent>
               </Select>
+              <p className="text-xs text-muted-foreground">{ACCOUNT_ROLES.find((r) => r.value === form.role)?.hint}</p>
             </div>
             <div className="space-y-1.5"><Label>子角色</Label><Input value={form.sub_role} onChange={(e) => setForm((f) => ({ ...f, sub_role: e.target.value }))} /></div>
           </div>