diff --git a/sundynix-admin/src/api.ts b/sundynix-admin/src/api.ts
index 9122b0c..83b2fbc 100644
--- a/sundynix-admin/src/api.ts
+++ b/sundynix-admin/src/api.ts
@@ -231,15 +231,31 @@ export async function listRedeemCodes(): Promise<RedeemCodeRow[]> {
 export interface WechatMPConfig {
   appid: string;
   token: string; // 消息推送签名校验用（与公众平台服务器配置一致）
-  has_app_secret: boolean;
+  app_secret: string; // 单管理员后台：明文回显
   enabled: boolean;
 }
 
+export interface WechatUserRow {
+  id: string;
+  name: string;
+  wechat_openid: string;
+  created_at: string;
+  tenant_name: string;
+  balance_micro: number;
+}
+
+export async function adminWechatUsers(): Promise<WechatUserRow[]> {
+  const res = guard(await fetch(`${ADMIN}/wechat-users`, { headers: authHeaders() }));
+  const d = (await res.json().catch(() => ({}))) as { users?: WechatUserRow[]; error?: string };
+  if (!res.ok) throw new Error(d.error ?? `wechat users failed: ${res.status}`);
+  return d.users ?? [];
+}
+
 export async function getWechatMP(): Promise<WechatMPConfig> {
   const res = guard(await fetch(`${ADMIN}/wechat-mp`, { headers: authHeaders() }));
   const d = (await res.json().catch(() => ({}))) as Partial<WechatMPConfig> & { error?: string };
   if (!res.ok) throw new Error(d.error ?? `wechat-mp failed: ${res.status}`);
-  return { appid: d.appid ?? "", token: d.token ?? "", has_app_secret: !!d.has_app_secret, enabled: !!d.enabled };
+  return { appid: d.appid ?? "", token: d.token ?? "", app_secret: d.app_secret ?? "", enabled: !!d.enabled };
 }
 
 // app_secret 传空串 = 沿用已保存的。
@@ -258,7 +274,7 @@ export interface WechatPayConfig {
   public_key_id: string; // PUB_KEY_ID_ 开头
   appid: string;
   notify_url: string;
-  has_apiv3_key: boolean;
+  apiv3_key: string; // 单管理员后台：明文回显
 }
 
 export async function getWechatPay(): Promise<{ config: WechatPayConfig; enabled: boolean; reason: string }> {
diff --git a/sundynix-admin/src/components/TopupChannels.tsx b/sundynix-admin/src/components/TopupChannels.tsx
index 2518c8c..1429fc7 100644
--- a/sundynix-admin/src/components/TopupChannels.tsx
+++ b/sundynix-admin/src/components/TopupChannels.tsx
@@ -27,10 +27,9 @@ export function TopupChannels() {
 }
 
 // ---- 微信支付配置：DB 存储、保存即热生效（不重启 gateway）。
-// APIv3 密钥只写不回显（密文入库，与模型 API Key 同一把密钥加密）；
-// 商户证书私钥文件放服务器磁盘，这里只填路径。
+// APIv3 密钥密文入库，但单管理员后台明文回显方便核对；证书私钥文件放服务器磁盘，此处只填路径。
 function WechatConfigBlock() {
-  const empty: WechatPayConfig = { mchid: "", cert_serial: "", private_key_path: "", public_key_path: "", public_key_id: "", appid: "", notify_url: "", has_apiv3_key: false };
+  const empty: WechatPayConfig = { mchid: "", cert_serial: "", private_key_path: "", public_key_path: "", public_key_id: "", appid: "", notify_url: "", apiv3_key: "" };
   const [cfg, setCfg] = useState<WechatPayConfig>(empty);
   const [apiv3, setApiv3] = useState(""); // 留空=沿用已存
   const [enabled, setEnabled] = useState(false);
@@ -42,6 +41,7 @@ function WechatConfigBlock() {
     getWechatPay()
       .then((r) => {
         setCfg(r.config);
+        setApiv3(r.config.apiv3_key);
         setEnabled(r.enabled);
         setReason(r.reason);
       })
@@ -65,8 +65,6 @@ function WechatConfigBlock() {
       });
       setEnabled(r.enabled);
       setReason(r.reason);
-      setApiv3("");
-      if (apiv3) setCfg((c) => ({ ...c, has_apiv3_key: true }));
     } catch (e) {
       setErr((e as Error).message);
     } finally {
@@ -108,12 +106,11 @@ function WechatConfigBlock() {
         {field("公钥 ID（PUB_KEY_ID_ 开头）", "public_key_id", "PUB_KEY_ID_01…")}
         {field("微信支付公钥文件路径（服务器磁盘）", "public_key_path", "/etc/sundynix/wechat/pub_key.pem", "md:col-span-2")}
         <label className="text-xs text-gray-500">
-          APIv3 密钥{cfg.has_apiv3_key && <span className="ml-1 text-emerald-600">已保存</span>}
+          APIv3 密钥
           <input
-            type="password"
             value={apiv3}
             onChange={(e) => setApiv3(e.target.value)}
-            placeholder={cfg.has_apiv3_key ? "留空则沿用已保存的" : "32 字节"}
+            placeholder="32 字节"
             className="mt-1 block w-full rounded-lg border border-gray-200 px-2.5 py-1.5 font-mono text-sm text-gray-800 focus:border-violet-400 focus:outline-none"
           />
         </label>
diff --git a/sundynix-admin/src/pages/LoginConfigPage.tsx b/sundynix-admin/src/pages/LoginConfigPage.tsx
index fc0671c..077042c 100644
--- a/sundynix-admin/src/pages/LoginConfigPage.tsx
+++ b/sundynix-admin/src/pages/LoginConfigPage.tsx
@@ -2,7 +2,7 @@ import { useEffect, useState } from "react";
 import { getWechatMP, saveWechatMP, GATEWAY, type WechatMPConfig } from "../api";
 
 // 运维 · 登录设置：微信公众号扫码登录（带参二维码 + 关注/扫码事件）。
-// AppSecret 只写不回显（密文入库，与微信支付 APIv3 密钥同一套加密）。
+// AppSecret 明文回显（单管理员后台，方便核对/复制；密文仍加密入库）。
 export function LoginConfigPage() {
   const [cfg, setCfg] = useState<WechatMPConfig | null>(null);
   const [appid, setAppid] = useState("");
@@ -18,6 +18,7 @@ export function LoginConfigPage() {
         setCfg(c);
         setAppid(c.appid);
         setToken(c.token);
+        setSecret(c.app_secret);
       })
       .catch((e) => setErr((e as Error).message));
   }, []);
@@ -29,8 +30,7 @@ export function LoginConfigPage() {
     setOk(false);
     try {
       const r = await saveWechatMP({ appid: appid.trim(), app_secret: secret, token: token.trim() });
-      setSecret("");
-      setCfg((c) => (c ? { ...c, appid: appid.trim(), token: token.trim(), has_app_secret: c.has_app_secret || !!secret, enabled: r.enabled } : c));
+      setCfg((c) => (c ? { ...c, appid: appid.trim(), token: token.trim(), app_secret: secret, enabled: r.enabled } : c));
       setOk(true);
     } catch (e) {
       setErr((e as Error).message);
@@ -47,7 +47,7 @@ export function LoginConfigPage() {
     <div className="space-y-5">
       <div className="border-b border-gray-200 pb-4">
         <h3 className="text-base font-semibold text-gray-800">登录设置 · 微信扫码</h3>
-        <p className="text-xs text-gray-400">公众号扫码登录（登录即引导关注）。AppSecret 加密入库、只写不回显，随时可换</p>
+        <p className="text-xs text-gray-400">公众号扫码登录（登录即引导关注）。AppSecret 加密入库、后台明文可见，随时可换</p>
       </div>
 
       <div className="rounded-xl border border-gray-100 bg-white p-5 shadow-sm">
@@ -67,9 +67,9 @@ export function LoginConfigPage() {
               className="mt-1 block w-full rounded-lg border border-gray-200 px-2.5 py-1.5 font-mono text-sm text-gray-800 focus:border-violet-400 focus:outline-none" />
           </label>
           <label className="text-xs text-gray-500">
-            AppSecret{cfg?.has_app_secret && <span className="ml-1 text-emerald-600">已保存</span>}
-            <input type="password" value={secret} onChange={(e) => setSecret(e.target.value)}
-              placeholder={cfg?.has_app_secret ? "留空则沿用已保存的" : "公众号开发密钥"}
+            AppSecret
+            <input value={secret} onChange={(e) => setSecret(e.target.value)}
+              placeholder="公众号开发密钥"
               className="mt-1 block w-full rounded-lg border border-gray-200 px-2.5 py-1.5 font-mono text-sm text-gray-800 focus:border-violet-400 focus:outline-none" />
           </label>
           <label className="text-xs text-gray-500 md:col-span-2">
diff --git a/sundynix-admin/src/pages/WechatUsersPage.tsx b/sundynix-admin/src/pages/WechatUsersPage.tsx
new file mode 100644
index 0000000..aacaf11
--- /dev/null
+++ b/sundynix-admin/src/pages/WechatUsersPage.tsx
@@ -0,0 +1,76 @@
+import { useEffect, useState } from "react";
+import { adminWechatUsers, type WechatUserRow } from "../api";
+
+// 平台 · 微信用户：所有微信扫码登录的用户，集中查看。
+// 每个用户仍是独立租户/独立积分（各买各的），这里只做统一观测。
+const MICRO = 1_000_000;
+const credits = (m: number) => (m / MICRO).toLocaleString("zh-CN", { maximumFractionDigits: 2 });
+
+export function WechatUsersPage() {
+  const [rows, setRows] = useState<WechatUserRow[]>([]);
+  const [err, setErr] = useState("");
+  const [loading, setLoading] = useState(true);
+  const [copied, setCopied] = useState("");
+
+  useEffect(() => {
+    adminWechatUsers()
+      .then(setRows)
+      .catch((e) => setErr((e as Error).message))
+      .finally(() => setLoading(false));
+  }, []);
+
+  const copy = (s: string) => {
+    void navigator.clipboard?.writeText(s);
+    setCopied(s);
+    setTimeout(() => setCopied(""), 1200);
+  };
+
+  return (
+    <div className="space-y-5">
+      <div className="border-b border-gray-200 pb-4">
+        <h3 className="text-base font-semibold text-gray-800">微信用户</h3>
+        <p className="text-xs text-gray-400">
+          扫码登录的用户 · 共 {rows.length} 人 · 每人独立租户与积分（各买各的）
+        </p>
+      </div>
+
+      <div className="rounded-xl border border-gray-100 bg-white p-5 shadow-sm">
+        {err && <p className="mb-2 text-xs text-rose-500">{err}</p>}
+        <table className="w-full text-sm">
+          <thead>
+            <tr className="border-b border-gray-100 text-left text-[11px] uppercase tracking-wide text-gray-400">
+              <th className="py-2 pr-3 font-medium">昵称</th>
+              <th className="py-2 pr-3 font-medium">OpenID</th>
+              <th className="py-2 pr-3 text-right font-medium">积分余额</th>
+              <th className="py-2 font-medium">加入时间</th>
+            </tr>
+          </thead>
+          <tbody>
+            {rows.map((u) => (
+              <tr key={u.id} className="border-b border-gray-50 last:border-0">
+                <td className="py-2 pr-3 text-gray-800">{u.name || "—"}</td>
+                <td className="py-2 pr-3">
+                  {/* openid 长且要复制，点一下复制全串 */}
+                  <button
+                    onClick={() => copy(u.wechat_openid)}
+                    title="点击复制"
+                    className="font-mono text-[11px] text-gray-500 hover:text-violet-600"
+                  >
+                    {copied === u.wechat_openid ? "已复制 ✓" : `${u.wechat_openid.slice(0, 10)}…${u.wechat_openid.slice(-6)}`}
+                  </button>
+                </td>
+                <td className="py-2 pr-3 text-right tabular-nums text-gray-700">{credits(u.balance_micro)}</td>
+                <td className="py-2 text-xs text-gray-500">{new Date(u.created_at).toLocaleString("zh-CN")}</td>
+              </tr>
+            ))}
+            {rows.length === 0 && !loading && (
+              <tr>
+                <td colSpan={4} className="py-8 text-center text-xs text-gray-400">还没有微信用户</td>
+              </tr>
+            )}
+          </tbody>
+        </table>
+      </div>
+    </div>
+  );
+}
diff --git a/sundynix-admin/src/routes.tsx b/sundynix-admin/src/routes.tsx
index 56003ef..fa8c08c 100644
--- a/sundynix-admin/src/routes.tsx
+++ b/sundynix-admin/src/routes.tsx
@@ -1,5 +1,6 @@
 import { SubscriptionPage } from "./pages/SubscriptionPage";
 import { LoginConfigPage } from "./pages/LoginConfigPage";
+import { WechatUsersPage } from "./pages/WechatUsersPage";
 import { lazy, type ReactNode } from "react";
 
 // 路由注册表 —— 控制台的单一事实源：导航 + 内容都从这里派生。
@@ -130,6 +131,13 @@ export const routes: RouteDef[] = [
     ready: true,
     element: <TenantsPage />,
   },
+  {
+    path: "wechat-users",
+    label: "微信用户",
+    group: "平台",
+    ready: true,
+    element: <WechatUsersPage />,
+  },
   {
     path: "spaces",
     label: "空间",
diff --git a/sundynix-gateway/internal/handler/payment_admin.go b/sundynix-gateway/internal/handler/payment_admin.go
index e02ea5e..48fdf7e 100644
--- a/sundynix-gateway/internal/handler/payment_admin.go
+++ b/sundynix-gateway/internal/handler/payment_admin.go
@@ -54,7 +54,7 @@ func (h *Handler) AdminGetWechatPay(c *gin.Context) {
 			"public_key_id":    cfg.PublicKeyID,
 			"appid":            cfg.AppID,
 			"notify_url":       cfg.NotifyURL,
-			"has_apiv3_key":    cfg.APIv3Key != "", // 密钥只报有无，明文永不回显
+			"apiv3_key":        cfg.APIv3Key, // 单管理员后台：明文回显（RequireAdmin 已拦），方便核对
 		},
 		"enabled": enabled,
 		"reason":  reason,
diff --git a/sundynix-gateway/internal/handler/wechat_login.go b/sundynix-gateway/internal/handler/wechat_login.go
index 3111701..f83c091 100644
--- a/sundynix-gateway/internal/handler/wechat_login.go
+++ b/sundynix-gateway/internal/handler/wechat_login.go
@@ -3,6 +3,7 @@ package handler
 import (
 	"context"
 	"crypto/rand"
+	"crypto/sha1"
 	"encoding/hex"
 	"encoding/json"
 	"io"
@@ -84,6 +85,20 @@ func (h *Handler) accessToken(ctx context.Context, cfg wechat.Config) (string, e
 	return token, nil
 }
 
+// wechatNickname 从 openid 派生稳定昵称：微信用户_XXXXX。
+// 后缀取 openid 的 sha1 前 5 位、映射到去混淆字母表 —— openid 唯一 → 后缀实际不重复，
+// 且同一 openid 每次一致（重登不会换名）。用户可事后自己改名。
+func wechatNickname(openID string) string {
+	const alphabet = "ABCDEFGHJKMNPQRSTUVWXYZ23456789" // 去掉 0/O、1/I/L 等易混
+	sum := sha1.Sum([]byte(openID))
+	var sb strings.Builder
+	sb.WriteString("微信用户_")
+	for i := 0; i < 5; i++ {
+		sb.WriteByte(alphabet[int(sum[i])%len(alphabet)])
+	}
+	return sb.String()
+}
+
 func newTicket() string {
 	b := make([]byte, 16)
 	_, _ = rand.Read(b)
@@ -157,7 +172,7 @@ func (h *Handler) WxMPEvent(c *gin.Context) {
 		return
 	}
 	if u == nil {
-		u, err = h.db.CreateWechatUser(ctx, openID, "微信用户")
+		u, err = h.db.CreateWechatUser(ctx, openID, wechatNickname(openID))
 		if err != nil {
 			log.Printf("[wxlogin] 建微信用户失败 openid=%s: %v", openID, err)
 			c.String(http.StatusOK, "success")
@@ -210,11 +225,12 @@ func (h *Handler) WxMPPoll(c *gin.Context) {
 
 func (h *Handler) AdminGetWechatMP(c *gin.Context) {
 	cfg := h.loadWechatMP(c.Request.Context())
+	// 单管理员后台：AppSecret 明文回显（RequireAdmin 已拦，方便核对/复制）。
 	c.JSON(http.StatusOK, gin.H{
-		"appid":          cfg.AppID,
-		"token":          cfg.Token,
-		"has_app_secret": cfg.AppSecret != "",
-		"enabled":        cfg.Enabled(),
+		"appid":      cfg.AppID,
+		"token":      cfg.Token,
+		"app_secret": cfg.AppSecret,
+		"enabled":    cfg.Enabled(),
 	})
 }
 
@@ -247,3 +263,8 @@ func (h *Handler) AdminSaveWechatMP(c *gin.Context) {
 	h.cache.WxTokenSet(ctx, cfg.AppID, "", time.Millisecond) // 换密钥→旧 token 作废
 	c.JSON(http.StatusOK, gin.H{"status": "ok", "enabled": cfg.Enabled()})
 }
+
+// AdminWechatUsers: GET /api/v1/admin/wechat-users —— 后台微信用户列表（openid/昵称/加入时间/余额）。
+func (h *Handler) AdminWechatUsers(c *gin.Context) {
+	c.JSON(http.StatusOK, gin.H{"users": h.db.ListWechatUsers(c.Request.Context(), 200)})
+}
diff --git a/sundynix-gateway/internal/handler/wechat_nickname_test.go b/sundynix-gateway/internal/handler/wechat_nickname_test.go
new file mode 100644
index 0000000..37072a0
--- /dev/null
+++ b/sundynix-gateway/internal/handler/wechat_nickname_test.go
@@ -0,0 +1,37 @@
+package handler
+
+import (
+	"strings"
+	"testing"
+)
+
+func TestWechatNickname(t *testing.T) {
+	// 前缀 + 5 位后缀
+	n := wechatNickname("openid_abc")
+	if !strings.HasPrefix(n, "微信用户_") {
+		t.Fatalf("前缀不对: %q", n)
+	}
+	suffix := strings.TrimPrefix(n, "微信用户_")
+	if len([]rune(suffix)) != 5 {
+		t.Fatalf("后缀应 5 位，得 %q", suffix)
+	}
+	// 稳定：同 openid 每次一致（重登不换名）
+	if wechatNickname("openid_abc") != n {
+		t.Fatal("同 openid 昵称应稳定")
+	}
+	// 去混淆：不含 0/O/1/I/L
+	for _, c := range suffix {
+		if strings.ContainsRune("0O1IL", c) {
+			t.Fatalf("后缀含易混字符: %q", suffix)
+		}
+	}
+	// 不同 openid 后缀基本不同（抽样几个不撞）
+	seen := map[string]bool{}
+	for _, o := range []string{"a", "b", "c", "d", "e", "openid_1", "openid_2"} {
+		s := wechatNickname(o)
+		if seen[s] {
+			t.Fatalf("后缀撞了: %q", s)
+		}
+		seen[s] = true
+	}
+}
diff --git a/sundynix-gateway/internal/router/router.go b/sundynix-gateway/internal/router/router.go
index 94142e0..4fcc79f 100644
--- a/sundynix-gateway/internal/router/router.go
+++ b/sundynix-gateway/internal/router/router.go
@@ -157,6 +157,7 @@ func New(db *store.Postgres, cache *store.Redis, bus *nats.Bus, blobStore *blob.
 			admin.PUT("/packs", h.AdminSavePack)
 			admin.GET("/wechat-mp", h.AdminGetWechatMP) // 微信扫码登录配置
 			admin.PUT("/wechat-mp", h.AdminSaveWechatMP)
+			admin.GET("/wechat-users", h.AdminWechatUsers) // 微信用户列表（openid/加入时间/余额）
 			admin.GET("/payment/wechat", h.AdminGetWechatPay)
 			admin.PUT("/payment/wechat", h.AdminSaveWechatPay)
 			admin.GET("/sub-plans", h.AdminSubPlans)             // 订阅套餐（含下架）
diff --git a/sundynix-gateway/internal/store/user.go b/sundynix-gateway/internal/store/user.go
index dcac665..e373c8c 100644
--- a/sundynix-gateway/internal/store/user.go
+++ b/sundynix-gateway/internal/store/user.go
@@ -3,6 +3,7 @@ package store
 import (
 	"context"
 	"errors"
+	"time"
 
 	"gorm.io/gorm"
 )
@@ -89,3 +90,36 @@ func (p *Postgres) CreateWechatUser(ctx context.Context, openID, name string) (*
 }
 
 // (测试辅助见 user_wechat_test.go)
+
+// WechatUserRow 是后台微信用户列表一行：账号 + 其个人租户名 + 余额。
+type WechatUserRow struct {
+	ID   string `json:"id"`
+	Name string `json:"name"`
+	// gorm 默认把 WechatOpenID 断成列名 wechat_open_id，与 SQL alias wechat_openid 对不上 → 空。
+	// 显式指定列名（BalanceMicro 同理，避免 balance_micro 被断成 balance_micro 之外的名字）。
+	WechatOpenID string    `gorm:"column:wechat_openid" json:"wechat_openid"`
+	CreatedAt    time.Time `json:"created_at"`
+	TenantName   string    `json:"tenant_name"`
+	BalanceMicro int64     `gorm:"column:balance_micro" json:"balance_micro"`
+}
+
+// ListWechatUsers 列出所有微信登录用户（wechat_openid 非空），带其 owner 租户名与余额。
+// 系统级读，跨租户。倒序（新注册在前）。
+func (p *Postgres) ListWechatUsers(ctx context.Context, limit int) []WechatUserRow {
+	if p.db == nil {
+		return nil
+	}
+	if limit <= 0 || limit > 500 {
+		limit = 200
+	}
+	var out []WechatUserRow
+	// 用户 → 其作为 owner 的租户（EnsureDefaultTenant 建的个人租户）
+	p.db.WithContext(WithoutTenant(ctx)).Table("sundynix_user as u").
+		Select("u.id, u.name, u.wechat_openid, u.created_at, " +
+			"coalesce(t.name,'') as tenant_name, coalesce(t.credit_balance_micro,0) as balance_micro").
+		Joins("left join sundynix_tenant_member m on m.user_id = u.id and m.role = 'owner'").
+		Joins("left join sundynix_tenant t on t.id = m.tenant_id").
+		Where("u.wechat_openid <> '' and u.deleted_at is null").
+		Order("u.created_at desc").Limit(limit).Scan(&out)
+	return out
+}