diff --git a/README.md b/README.md
index 98acf24..03db9e7 100644
--- a/README.md
+++ b/README.md
@@ -109,7 +109,9 @@
    
    chatnio 版本更新：
    ```shell
-   docker-compose pull chatnio # pull latest image
+   docker-compose down
+   docker-compose pull  # pull latest image
+   docker-compose up -d # start service in background
    ```
    
    > - MySQL 数据库挂载目录项目 ~/**db**
diff --git a/admin/controller.go b/admin/controller.go
index d0c21d3..ab7cf23 100644
--- a/admin/controller.go
+++ b/admin/controller.go
@@ -14,6 +14,11 @@ type GenerateInvitationForm struct {
 	Number int     `json:"number"`
 }
 
+type GenerateRedeemForm struct {
+	Quota  float32 `json:"quota"`
+	Number int     `json:"number"`
+}
+
 type QuotaOperationForm struct {
 	Id    int64   `json:"id"`
 	Quota float32 `json:"quota"`
@@ -55,6 +60,11 @@ func ErrorAnalysisAPI(c *gin.Context) {
 	c.JSON(http.StatusOK, GetErrorData(cache))
 }
 
+func RedeemListAPI(c *gin.Context) {
+	db := utils.GetDBFromContext(c)
+	c.JSON(http.StatusOK, GetRedeemData(db))
+}
+
 func InvitationPaginationAPI(c *gin.Context) {
 	db := utils.GetDBFromContext(c)
 
@@ -77,6 +87,21 @@ func GenerateInvitationAPI(c *gin.Context) {
 	c.JSON(http.StatusOK, GenerateInvitations(db, form.Number, form.Quota, form.Type))
 }
 
+func GenerateRedeemAPI(c *gin.Context) {
+	db := utils.GetDBFromContext(c)
+
+	var form GenerateRedeemForm
+	if err := c.ShouldBindJSON(&form); err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"status":  false,
+			"message": err.Error(),
+		})
+		return
+	}
+
+	c.JSON(http.StatusOK, GenerateRedeemCodes(db, form.Number, form.Quota))
+}
+
 func UserPaginationAPI(c *gin.Context) {
 	db := utils.GetDBFromContext(c)
 
diff --git a/admin/redeem.go b/admin/redeem.go
new file mode 100644
index 0000000..d2b3336
--- /dev/null
+++ b/admin/redeem.go
@@ -0,0 +1,67 @@
+package admin
+
+import (
+	"chat/utils"
+	"database/sql"
+	"fmt"
+	"strings"
+)
+
+func GetRedeemData(db *sql.DB) []RedeemData {
+	var data []RedeemData
+
+	rows, err := db.Query(`
+		SELECT quota, COUNT(*) AS total, SUM(IF(used = 0, 0, 1)) AS used
+		FROM redeem
+		GROUP BY quota
+	`)
+	if err != nil {
+		return data
+	}
+
+	for rows.Next() {
+		var d RedeemData
+		if err := rows.Scan(&d.Quota, &d.Total, &d.Used); err != nil {
+			return data
+		}
+		data = append(data, d)
+	}
+
+	return data
+}
+
+func GenerateRedeemCodes(db *sql.DB, num int, quota float32) RedeemGenerateResponse {
+	arr := make([]string, 0)
+	idx := 0
+	for idx < num {
+		code, err := CreateRedeemCode(db, quota)
+
+		if err != nil {
+			return RedeemGenerateResponse{
+				Status:  false,
+				Message: err.Error(),
+			}
+		}
+		arr = append(arr, code)
+		idx++
+	}
+
+	return RedeemGenerateResponse{
+		Status: true,
+		Data:   arr,
+	}
+}
+
+func CreateRedeemCode(db *sql.DB, quota float32) (string, error) {
+	code := fmt.Sprintf("nio-%s", utils.GenerateChar(32))
+	_, err := db.Exec(`
+		INSERT INTO redeem (code, quota) VALUES (?, ?)
+	`, code, quota)
+
+	if err != nil && strings.Contains(err.Error(), "Duplicate entry") {
+		// code name is duplicate
+		return CreateRedeemCode(db, quota)
+	}
+
+	return code, err
+}
diff --git a/admin/router.go b/admin/router.go
index 3557ff2..f8a2b86 100644
--- a/admin/router.go
+++ b/admin/router.go
@@ -17,6 +17,9 @@ func Register(app *gin.RouterGroup) {
 	app.GET("/admin/invitation/list", InvitationPaginationAPI)
 	app.POST("/admin/invitation/generate", GenerateInvitationAPI)
 
+	app.GET("/admin/redeem/list", RedeemListAPI)
+	app.POST("/admin/redeem/generate", GenerateRedeemAPI)
+
 	app.GET("/admin/user/list", UserPaginationAPI)
 	app.POST("/admin/user/quota", UserQuotaAPI)
 	app.POST("/admin/user/subscription", UserSubscriptionAPI)
diff --git a/admin/types.go b/admin/types.go
index 4786f2a..057f820 100644
--- a/admin/types.go
+++ b/admin/types.go
@@ -48,12 +48,24 @@ type InvitationData struct {
 	UpdatedAt string  `json:"updated_at"`
 }
 
+type RedeemData struct {
+	Quota float32 `json:"quota"`
+	Used  float32 `json:"used"`
+	Total float32 `json:"total"`
+}
+
 type InvitationGenerateResponse struct {
 	Status  bool     `json:"status"`
 	Message string   `json:"message"`
 	Data    []string `json:"data"`
 }
 
+type RedeemGenerateResponse struct {
+	Status  bool     `json:"status"`
+	Message string   `json:"message"`
+	Data    []string `json:"data"`
+}
+
 type UserData struct {
 	Id           int64   `json:"id"`
 	Username     string  `json:"username"`
diff --git a/app/src/admin/api/chart.ts b/app/src/admin/api/chart.ts
index ba76324..801ad82 100644
--- a/app/src/admin/api/chart.ts
+++ b/app/src/admin/api/chart.ts
@@ -6,6 +6,7 @@ import {
   InvitationGenerateResponse,
   InvitationResponse,
   ModelChartResponse,
+  RedeemResponse,
   RequestChartResponse,
   UserResponse,
 } from "@/admin/types.ts";
@@ -94,6 +95,30 @@ export async function generateInvitation(
   return response.data as InvitationGenerateResponse;
 }
 
+export async function getRedeemList(): Promise<RedeemResponse> {
+  const response = await axios.get("/admin/redeem/list");
+  if (response.status !== 200) {
+    return [];
+  }
+
+  return response.data as RedeemResponse;
+}
+
+export async function generateRedeem(
+  quota: number,
+  number: number,
+): Promise<InvitationGenerateResponse> {
+  const response = await axios.post("/admin/redeem/generate", {
+    quota,
+    number,
+  });
+  if (response.status !== 200) {
+    return { status: false, data: [], message: "" };
+  }
+
+  return response.data as InvitationGenerateResponse;
+}
+
 export async function getUserList(
   page: number,
   search: string,
diff --git a/app/src/admin/channel.ts b/app/src/admin/channel.ts
index 6772457..934707c 100644
--- a/app/src/admin/channel.ts
+++ b/app/src/admin/channel.ts
@@ -35,7 +35,7 @@ export const ChannelTypes: Record<string, string> = {
   bing: "New Bing",
   palm: "Google PaLM2",
   midjourney: "Midjourney",
-  oneapi: "One API",
+  oneapi: "Nio API",
 };
 
 export const ChannelInfos: Record<string, ChannelInfo> = {
diff --git a/app/src/admin/types.ts b/app/src/admin/types.ts
index ea5dbb7..52643ab 100644
--- a/app/src/admin/types.ts
+++ b/app/src/admin/types.ts
@@ -52,12 +52,26 @@ export type InvitationResponse = {
   total: number;
 };
 
+export type Redeem = {
+  quota: number;
+  used: boolean;
+  total: number;
+};
+
+export type RedeemResponse = Redeem[];
+
 export type InvitationGenerateResponse = {
   status: boolean;
   data: string[];
   message: string;
 };
 
+export type RedeemGenerateResponse = {
+  status: boolean;
+  data: string[];
+  message: string;
+};
+
 export type UserData = {
   id: number;
   username: string;
diff --git a/app/src/api/redeem.ts b/app/src/api/redeem.ts
new file mode 100644
index 0000000..fd09d7c
--- /dev/null
+++ b/app/src/api/redeem.ts
@@ -0,0 +1,22 @@
+import axios from "axios";
+import { getErrorMessage } from "@/utils/base.ts";
+
+export type RedeemResponse = {
+  status: boolean;
+  error: string;
+  quota: number;
+};
+
+export async function useRedeem(code: string): Promise<RedeemResponse> {
+  try {
+    const resp = await axios.get(`/redeem?code=${code}`);
+    return resp.data as RedeemResponse;
+  } catch (e) {
+    console.debug(e);
+    return {
+      status: false,
+      error: `network error: ${getErrorMessage(e)}`,
+      quota: 0,
+    };
+  }
+}
diff --git a/app/src/assets/admin/management.less b/app/src/assets/admin/management.less
index 8d0b165..d58cf61 100644
--- a/app/src/assets/admin/management.less
+++ b/app/src/assets/admin/management.less
@@ -46,6 +46,7 @@
 }
 
 .user-row,
+.redeem-row,
 .invitation-row {
   display: flex;
   flex-direction: row;
@@ -58,6 +59,7 @@
 }
 
 .user-action,
+.redeem-action,
 .invitation-action {
   display: flex;
   margin-top: 1rem;
diff --git a/app/src/components/Tips.tsx b/app/src/components/Tips.tsx
index d11ff18..3f6f2df 100644
--- a/app/src/components/Tips.tsx
+++ b/app/src/components/Tips.tsx
@@ -8,14 +8,15 @@ import { HelpCircle } from "lucide-react";
 
 type TipsProps = {
   content: string;
+  className?: string;
 };
 
-function Tips({ content }: TipsProps) {
+function Tips({ content, className }: TipsProps) {
   return (
     <TooltipProvider>
       <Tooltip>
         <TooltipTrigger asChild>
-          <HelpCircle className={`tips-icon`} />
+          <HelpCircle className={`tips-icon ${className}`} />
         </TooltipTrigger>
         <TooltipContent>
           <p>{content}</p>
diff --git a/app/src/components/admin/InvitationTable.tsx b/app/src/components/admin/InvitationTable.tsx
index c38f43d..9909130 100644
--- a/app/src/components/admin/InvitationTable.tsx
+++ b/app/src/components/admin/InvitationTable.tsx
@@ -158,7 +158,7 @@ function InvitationTable() {
           <Table>
             <TableHeader>
               <TableRow className={`select-none whitespace-nowrap`}>
-                <TableHead>{t("admin.code")}</TableHead>
+                <TableHead>{t("admin.invitation-code")}</TableHead>
                 <TableHead>{t("admin.quota")}</TableHead>
                 <TableHead>{t("admin.type")}</TableHead>
                 <TableHead>{t("admin.used")}</TableHead>
diff --git a/app/src/components/admin/MenuBar.tsx b/app/src/components/admin/MenuBar.tsx
index f4f3083..4f43766 100644
--- a/app/src/components/admin/MenuBar.tsx
+++ b/app/src/components/admin/MenuBar.tsx
@@ -53,7 +53,7 @@ function MenuBar() {
         icon={<LayoutDashboard />}
         path={"/"}
       />
-      <MenuItem title={t("admin.users")} icon={<Users />} path={"/users"} />
+      <MenuItem title={t("admin.user")} icon={<Users />} path={"/users"} />
       <MenuItem
         title={t("admin.broadcast")}
         icon={<Radio />}
diff --git a/app/src/components/admin/RedeemTable.tsx b/app/src/components/admin/RedeemTable.tsx
new file mode 100644
index 0000000..f37d72f
--- /dev/null
+++ b/app/src/components/admin/RedeemTable.tsx
@@ -0,0 +1,178 @@
+import {
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableHeader,
+  TableRow,
+} from "@/components/ui/table.tsx";
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+  DialogTrigger,
+} from "@/components/ui/dialog.tsx";
+import { useTranslation } from "react-i18next";
+import { useState } from "react";
+import { RedeemResponse } from "@/admin/types.ts";
+import { Button } from "@/components/ui/button.tsx";
+import { Download, RotateCw } from "lucide-react";
+import { generateRedeem, getRedeemList } from "@/admin/api/chart.ts";
+import { Input } from "@/components/ui/input.tsx";
+import { useToast } from "@/components/ui/use-toast.ts";
+import { Textarea } from "@/components/ui/textarea.tsx";
+import { saveAsFile } from "@/utils/dom.ts";
+import { useEffectAsync } from "@/utils/hook.ts";
+
+function GenerateDialog() {
+  const { t } = useTranslation();
+  const { toast } = useToast();
+  const [open, setOpen] = useState<boolean>(false);
+  const [quota, setQuota] = useState<string>("5");
+  const [number, setNumber] = useState<string>("1");
+  const [data, setData] = useState<string>("");
+
+  function getNumber(value: string): string {
+    return value.replace(/[^\d.]/g, "");
+  }
+
+  async function generateCode() {
+    const data = await generateRedeem(Number(quota), Number(number));
+    if (data.status) setData(data.data.join("\n"));
+    else
+      toast({
+        title: t("admin.error"),
+        description: data.message,
+      });
+  }
+
+  function close() {
+    setQuota("5");
+    setNumber("1");
+
+    setOpen(false);
+    setData("");
+  }
+
+  function downloadCode() {
+    return saveAsFile("code.txt", data);
+  }
+
+  return (
+    <>
+      <Dialog open={open} onOpenChange={setOpen}>
+        <DialogTrigger asChild>
+          <Button>{t("admin.generate")}</Button>
+        </DialogTrigger>
+        <DialogContent>
+          <DialogHeader>
+            <DialogTitle>{t("admin.generate")}</DialogTitle>
+            <DialogDescription className={`pt-2`}>
+              <div className={`invitation-row`}>
+                <p className={`mr-4`}>{t("admin.quota")}</p>
+                <Input
+                  value={quota}
+                  onChange={(e) => setQuota(getNumber(e.target.value))}
+                />
+              </div>
+              <div className={`invitation-row`}>
+                <p className={`mr-4`}>{t("admin.number")}</p>
+                <Input
+                  value={number}
+                  onChange={(e) => setNumber(getNumber(e.target.value))}
+                />
+              </div>
+            </DialogDescription>
+          </DialogHeader>
+          <DialogFooter>
+            <Button variant={`outline`} onClick={() => setOpen(false)}>
+              {t("admin.cancel")}
+            </Button>
+            <Button variant={`default`} loading={true} onClick={generateCode}>
+              {t("admin.confirm")}
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+      <Dialog
+        open={data !== ""}
+        onOpenChange={(state: boolean) => {
+          if (!state) close();
+        }}
+      >
+        <DialogContent>
+          <DialogHeader>
+            <DialogTitle>{t("admin.generate-result")}</DialogTitle>
+            <DialogDescription className={`pt-4`}>
+              <Textarea value={data} rows={12} readOnly />
+            </DialogDescription>
+          </DialogHeader>
+          <DialogFooter>
+            <Button variant={`outline`} onClick={close}>
+              {t("close")}
+            </Button>
+            <Button variant={`default`} onClick={downloadCode}>
+              <Download className={`h-4 w-4 mr-2`} />
+              {t("download")}
+            </Button>
+          </DialogFooter>
+        </DialogContent>
+      </Dialog>
+    </>
+  );
+}
+
+function RedeemTable() {
+  const { t } = useTranslation();
+  const [data, setData] = useState<RedeemResponse>([]);
+
+  const sync = async () => {
+    const resp = await getRedeemList();
+    setData(resp ?? []);
+  };
+
+  useEffectAsync(sync, []);
+
+  return (
+    <div className={`redeem-table`}>
+      {data.length > 0 ? (
+        <>
+          <Table>
+            <TableHeader>
+              <TableRow className={`select-none whitespace-nowrap`}>
+                <TableHead>{t("admin.redeem.quota")}</TableHead>
+                <TableHead>{t("admin.redeem.total")}</TableHead>
+                <TableHead>{t("admin.redeem.used")}</TableHead>
+              </TableRow>
+            </TableHeader>
+            <TableBody>
+              {data.map((redeem, idx) => (
+                <TableRow key={idx} className={`whitespace-nowrap`}>
+                  <TableCell>{redeem.quota}</TableCell>
+                  <TableCell>{redeem.total}</TableCell>
+                  <TableCell>{redeem.used}</TableCell>
+                </TableRow>
+              ))}
+            </TableBody>
+          </Table>
+        </>
+      ) : (
+        <div className={`empty`}>
+          <p>{t("admin.empty")}</p>
+        </div>
+      )}
+      <div className={`redeem-action`}>
+        <div className={`grow`} />
+        <Button variant={`outline`} size={`icon`} onClick={sync}>
+          <RotateCw className={`h-4 w-4`} />
+        </Button>
+        <GenerateDialog />
+      </div>
+    </div>
+  );
+}
+
+export default RedeemTable;
diff --git a/app/src/components/app/MenuBar.tsx b/app/src/components/app/MenuBar.tsx
index 418d3be..9518877 100644
--- a/app/src/components/app/MenuBar.tsx
+++ b/app/src/components/app/MenuBar.tsx
@@ -73,7 +73,7 @@ function MenuBar({ children, className }: MenuBarProps) {
         )}
         <DropdownMenuItem onClick={() => dispatch(openInvitationDialog())}>
           <Gift className={`h-4 w-4 mr-1`} />
-          {t("invitation.title")}
+          {t("invitation.invitation")}
         </DropdownMenuItem>
         <DropdownMenuItem onClick={() => dispatch(openSharingDialog())}>
           <ListStart className={`h-4 w-4 mr-1`} />
diff --git a/app/src/dialogs/InvitationDialog.tsx b/app/src/dialogs/InvitationDialog.tsx
index 8bdd9fa..660d050 100644
--- a/app/src/dialogs/InvitationDialog.tsx
+++ b/app/src/dialogs/InvitationDialog.tsx
@@ -26,7 +26,7 @@ function InvitationDialog() {
     <Dialog open={open} onOpenChange={(open) => dispatch(setDialog(open))}>
       <DialogContent>
         <DialogHeader>
-          <DialogTitle>{t("invitation.title")}</DialogTitle>
+          <DialogTitle>{t("invitation.invitation")}</DialogTitle>
           <DialogDescription>
             <Input
               value={code}
diff --git a/app/src/dialogs/QuotaDialog.tsx b/app/src/dialogs/QuotaDialog.tsx
index 34f1f6d..83e1bf5 100644
--- a/app/src/dialogs/QuotaDialog.tsx
+++ b/app/src/dialogs/QuotaDialog.tsx
@@ -40,6 +40,7 @@ import { useEffectAsync } from "@/utils/hook.ts";
 import { selectAuthenticated } from "@/store/auth.ts";
 import { ToastAction } from "@/components/ui/toast.tsx";
 import { deeptrainEndpoint, docsEndpoint, useDeeptrain } from "@/utils/env.ts";
+import { useRedeem } from "@/api/redeem.ts";
 
 type AmountComponentProps = {
   amount: number;
@@ -82,6 +83,8 @@ function QuotaDialog() {
 
   const sub = useSelector(subDialogSelector);
 
+  const [redeem, setRedeem] = useState("");
+
   const dispatch = useDispatch();
   useEffectAsync(async () => {
     if (!auth) return;
@@ -205,7 +208,7 @@ function QuotaDialog() {
                         <Button
                           variant={`default`}
                           className={`buy-button`}
-                          disabled={amount === 0}
+                          disabled={amount === 0 || !useDeeptrain}
                         >
                           <Plus className={`h-4 w-4 mr-2`} />
                           {t("buy.buy", { amount })}
@@ -269,6 +272,43 @@ function QuotaDialog() {
                   </div>
                 </div>
               </div>
+              {!useDeeptrain && (
+                <div className={`flex flex-row px-4 py-2`}>
+                  <Input
+                    className={`redeem-input mr-2 text-center`}
+                    placeholder={t("buy.redeem-placeholder")}
+                    value={redeem}
+                    onChange={(e) => setRedeem(e.target.value)}
+                  />
+                  <Button
+                    loading={true}
+                    className={`whitespace-nowrap`}
+                    onClick={async () => {
+                      if (redeem.trim() === "") return;
+                      const res = await useRedeem(redeem.trim());
+                      if (res.status) {
+                        toast({
+                          title: t("buy.exchange-success"),
+                          description: t("buy.exchange-success-prompt", {
+                            amount: res.quota,
+                          }),
+                        });
+                        setRedeem("");
+                        await refreshQuota(dispatch);
+                      } else {
+                        toast({
+                          title: t("buy.exchange-failed"),
+                          description: t("buy.exchange-failed-prompt", {
+                            reason: res.error,
+                          }),
+                        });
+                      }
+                    }}
+                  >
+                    {t("buy.redeem")}
+                  </Button>
+                </div>
+              )}
               <div className={`tip`}>
                 <Button variant={`outline`} asChild>
                   <a href={docsEndpoint} target={`_blank`}>
diff --git a/app/src/resources/i18n/cn.json b/app/src/resources/i18n/cn.json
index 476574c..7898996 100644
--- a/app/src/resources/i18n/cn.json
+++ b/app/src/resources/i18n/cn.json
@@ -144,8 +144,14 @@
     "dialog-buy": "购买",
     "success": "购买成功",
     "success-prompt": "您已成功购买 {{amount}} 点数。",
+    "redeem": "兑换",
+    "redeem-placeholder": "请输入兑换码",
+    "exchange-success": "兑换成功",
+    "exchange-success-prompt": "您已成功兑换 {{amount}} 点数。",
     "failed": "购买失败",
     "failed-prompt": "购买点数失败，请确保您有足够的余额。",
+    "exchange-failed": "兑换失败",
+    "exchange-failed-prompt": "兑换失败，原因：{{reason}}",
     "gpt4-tip": "提示：web 联网版功能可能会带来更多的输入点数消耗",
     "go": "前往"
   },
@@ -294,6 +300,7 @@
   },
   "invitation": {
     "title": "兑换码",
+    "invitation": "邀请码",
     "input-placeholder": "请输入兑换码",
     "cancel": "取消",
     "check": "验证",
@@ -331,6 +338,7 @@
   "admin": {
     "dashboard": "仪表盘",
     "users": "后台管理",
+    "user": "用户管理",
     "broadcast": "公告管理",
     "channel": "渠道设置",
     "settings": "系统设置",
@@ -350,6 +358,10 @@
     "confirm": "确认",
     "invitation": "兑换码管理",
     "code": "兑换码",
+    "invitation-code": "邀请码",
+    "invitation-manage": "邀请码管理",
+    "invitation-tips": "邀请码用于兑换点数，每一类邀请码一个用户只能使用一次（可作宣传使用）",
+    "redeem-tips": "兑换码用于兑换点数，可用于支付发卡等",
     "quota": "点数",
     "type": "类型",
     "used": "状态",
@@ -388,6 +400,11 @@
     "generate": "批量生成",
     "generate-result": "生成结果",
     "error": "请求失败",
+    "redeem": {
+      "quota": "点数",
+      "used": "已用个数",
+      "total": "总个数"
+    },
     "channels": {
       "id": "渠道 ID",
       "name": "名称",
diff --git a/app/src/resources/i18n/en.json b/app/src/resources/i18n/en.json
index af5f1d1..798e6f1 100644
--- a/app/src/resources/i18n/en.json
+++ b/app/src/resources/i18n/en.json
@@ -108,7 +108,13 @@
     "failed": "Purchase failed",
     "failed-prompt": "Failed to purchase points, please make sure you have enough balance.",
     "gpt4-tip": "Tip: web searching feature may consume more input points",
-    "go": "Go"
+    "go": "Go",
+    "redeem": "Exchange",
+    "redeem-placeholder": "Please enter the Redeem code",
+    "exchange-success": "Redeem Successfully",
+    "exchange-success-prompt": "You have successfully redeemed {{amount}} credits.",
+    "exchange-failed": "Failed",
+    "exchange-failed-prompt": "Redemption failed for {{reason}}"
   },
   "pkg": {
     "title": "Packages",
@@ -260,7 +266,8 @@
     "check": "Check",
     "check-success": "Redeem Success",
     "check-success-description": "Redeem Success! You have received {{amount}} points, start your AI journey!",
-    "check-failed": "Redeem Failed"
+    "check-failed": "Redeem Failed",
+    "invitation": "Invitation Code"
   },
   "contact": {
     "title": "Contact Us"
@@ -418,6 +425,16 @@
       "searchQuery": "Max Search Results",
       "searchTip": "DuckDuckGo search endpoint, if not filled in, use WebPilot and New Bing reverse search function by default.\nDuckDuckGo API project build: [duckduckgo-api](https://github.com/binjie09/duckduckgo-api).",
       "mailFrom": "Sender"
+    },
+    "user": "User Management",
+    "invitation-code": "Invitation Code",
+    "invitation-manage": "Invitation code management",
+    "invitation-tips": "Invitation codes are used to redeem points. Each type of invitation code can only be used once by one user (can be used for publicity)",
+    "redeem-tips": "Redemption codes are used to redeem credits and can be used to pay for card issuance, etc.",
+    "redeem": {
+      "quota": "Number of points",
+      "used": "Used Count",
+      "total": "Total"
     }
   },
   "mask": {
@@ -464,4 +481,4 @@
   },
   "reset": "Reset",
   "request-error": "Request failed for {{reason}}"
-}
+}
\ No newline at end of file
diff --git a/app/src/resources/i18n/ja.json b/app/src/resources/i18n/ja.json
index eeedaed..f5c501f 100644
--- a/app/src/resources/i18n/ja.json
+++ b/app/src/resources/i18n/ja.json
@@ -108,7 +108,13 @@
     "failed": "購入できませんでした",
     "failed-prompt": "クレジットの購入に失敗しました。十分な残高があることを確認。",
     "gpt4-tip": "ヒント：ウェブに接続された機能により、より多くの入力ポイントが消費される可能性があります",
-    "go": "行く"
+    "go": "行く",
+    "redeem": "交換する",
+    "redeem-placeholder": "引き換えコードを入力してください",
+    "exchange-success": "交換成功",
+    "exchange-success-prompt": "{{amount}}クレジットを正常に引き換えました。",
+    "exchange-failed": "引き換えに失敗しました",
+    "exchange-failed-prompt": "{{reason}}のため、引き換えに失敗しました"
   },
   "pkg": {
     "title": "パック",
@@ -260,7 +266,8 @@
     "check": "検証",
     "check-success": "交換成功",
     "check-success-description": "正常に引き換えられました！ AIの旅を始めるために{{amount}}クレジットを獲得しました！",
-    "check-failed": "引き換えに失敗しました"
+    "check-failed": "引き換えに失敗しました",
+    "invitation": "招待コード"
   },
   "contact": {
     "title": "お問い合わせ"
@@ -418,6 +425,16 @@
       "searchQuery": "検索結果の最大数",
       "searchTip": "DuckDuckGoは、入力せずにWebPilotやNew Bing Reverse Searchなどのアクセスポイントを自動的に検索します。\\ nDuckDuckGo APIプロジェクトビルド：[ duckduckgo - api ]（ https://github.com/binjie09/duckduckgo-api ）。",
       "mailFrom": "発信元"
+    },
+    "user": "ユーザー管理",
+    "invitation-code": "招待コード",
+    "invitation-manage": "招待コードの管理",
+    "invitation-tips": "招待コードはポイントの引き換えに使用されます。各タイプの招待コードは1人のユーザーが1回のみ使用できます（宣伝に使用できます）",
+    "redeem-tips": "引き換えコードはクレジットの引き換えに使用され、カード発行などの支払いに使用できます。",
+    "redeem": {
+      "quota": "Whirlies",
+      "used": "使用数",
+      "total": "合計"
     }
   },
   "mask": {
@@ -464,4 +481,4 @@
   },
   "reset": "リセット",
   "request-error": "{{reason}}のためにリクエストできませんでした"
-}
+}
\ No newline at end of file
diff --git a/app/src/resources/i18n/ru.json b/app/src/resources/i18n/ru.json
index 2fe4b87..98f3228 100644
--- a/app/src/resources/i18n/ru.json
+++ b/app/src/resources/i18n/ru.json
@@ -108,7 +108,13 @@
     "failed": "Покупка не удалась",
     "failed-prompt": "Не удалось приобрести очки. Пожалуйста, убедитесь, что у вас достаточно баланса.",
     "gpt4-tip": "Совет: функция веб-поиска может потреблять больше входных очков",
-    "go": "Перейти к"
+    "go": "Перейти к",
+    "redeem": "Обмен валюты",
+    "redeem-placeholder": "Введите код погашения",
+    "exchange-success": "Успешный обмен",
+    "exchange-success-prompt": "Вы успешно использовали {{amount}} кредита (-ов).",
+    "exchange-failed": "Сбой обмена",
+    "exchange-failed-prompt": "Не удалось погасить по {{reason}}"
   },
   "pkg": {
     "title": "Пакеты",
@@ -260,7 +266,8 @@
     "check": "Проверить",
     "check-success": "Успешно",
     "check-success-description": "Успешно! Вы получили {{amount}} очков, начните свое путешествие в мир AI!",
-    "check-failed": "Не удалось"
+    "check-failed": "Не удалось",
+    "invitation": "Код приглашения"
   },
   "contact": {
     "title": "Связаться с нами"
@@ -418,6 +425,16 @@
       "searchQuery": "Максимальное количество результатов поиска",
       "searchTip": "Конечная точка поиска DuckDuckGo, если она не заполнена, по умолчанию используется функция обратного поиска WebPilot и New Bing.\nСборка проекта DuckDuckGo API: [duckduckgo-api](https://github.com/binjie09/duckduckgo-api).",
       "mailFrom": "От"
+    },
+    "user": "Управление пользователями",
+    "invitation-code": "Код приглашения",
+    "invitation-manage": "Управление кодом приглашения",
+    "invitation-tips": "Пригласительные коды используются для погашения баллов. Каждый тип пригласительного кода может использоваться только один раз одним пользователем (может использоваться для рекламы)",
+    "redeem-tips": "Коды погашения используются для погашения кредитов и могут быть использованы для оплаты выпуска карт и т. д.",
+    "redeem": {
+      "quota": "Вихри",
+      "used": "Количество использованных",
+      "total": "Итого"
     }
   },
   "mask": {
@@ -464,4 +481,4 @@
   },
   "reset": "сброс",
   "request-error": "Запрос не выполнен по {{reason}}"
-}
+}
\ No newline at end of file
diff --git a/app/src/routes/admin/Users.tsx b/app/src/routes/admin/Users.tsx
index 9ebddd5..0894383 100644
--- a/app/src/routes/admin/Users.tsx
+++ b/app/src/routes/admin/Users.tsx
@@ -8,6 +8,8 @@ import { useTranslation } from "react-i18next";
 import InvitationTable from "@/components/admin/InvitationTable.tsx";
 import UserTable from "@/components/admin/UserTable.tsx";
 import { mobile } from "@/utils/device.ts";
+import Tips from "@/components/Tips.tsx";
+import RedeemTable from "@/components/admin/RedeemTable.tsx";
 
 function Users() {
   const { t } = useTranslation();
@@ -16,7 +18,7 @@ function Users() {
     <div className={`user-interface ${mobile ? "mobile" : ""}`}>
       <Card>
         <CardHeader className={`select-none`}>
-          <CardTitle>{t("admin.users")}</CardTitle>
+          <CardTitle>{t("admin.user")}</CardTitle>
         </CardHeader>
         <CardContent>
           <UserTable />
@@ -24,12 +26,32 @@ function Users() {
       </Card>
       <Card>
         <CardHeader className={`select-none`}>
-          <CardTitle>{t("admin.invitation")}</CardTitle>
+          <CardTitle className={`flex items-center`}>
+            {t("admin.invitation-manage")}
+            <Tips
+              content={t("admin.invitation-tips")}
+              className={`ml-2 h-6 w-6 translate-y-0.5`}
+            />
+          </CardTitle>
         </CardHeader>
         <CardContent>
           <InvitationTable />
         </CardContent>
       </Card>
+      <Card>
+        <CardHeader className={`select-none`}>
+          <CardTitle className={`flex items-center`}>
+            {t("admin.invitation")}
+            <Tips
+              content={t("admin.redeem-tips")}
+              className={`ml-2 h-6 w-6 translate-y-0.5`}
+            />
+          </CardTitle>
+        </CardHeader>
+        <CardContent>
+          <RedeemTable />
+        </CardContent>
+      </Card>
     </div>
   );
 }
diff --git a/auth/controller.go b/auth/controller.go
index de0fa78..3e7b50f 100644
--- a/auth/controller.go
+++ b/auth/controller.go
@@ -431,3 +431,37 @@ func InviteAPI(c *gin.Context) {
 		})
 	}
 }
+
+func RedeemAPI(c *gin.Context) {
+	user := GetUserByCtx(c)
+	if user == nil {
+		return
+	}
+
+	db := utils.GetDBFromContext(c)
+	cache := utils.GetCacheFromContext(c)
+	code := strings.TrimSpace(c.Query("code"))
+	if len(code) == 0 {
+		c.JSON(200, gin.H{
+			"status": false,
+			"error":  "invalid code",
+			"quota":  0.,
+		})
+		return
+	}
+
+	if quota, err := user.UseRedeem(db, cache, code); err != nil {
+		c.JSON(200, gin.H{
+			"status": false,
+			"error":  err.Error(),
+			"quota":  0.,
+		})
+		return
+	} else {
+		c.JSON(200, gin.H{
+			"status": true,
+			"error":  "success",
+			"quota":  quota,
+		})
+	}
+}
diff --git a/auth/redeem.go b/auth/redeem.go
new file mode 100644
index 0000000..c1c129a
--- /dev/null
+++ b/auth/redeem.go
@@ -0,0 +1,112 @@
+package auth
+
+import (
+	"chat/admin"
+	"chat/utils"
+	"database/sql"
+	"errors"
+	"fmt"
+	"github.com/go-redis/redis/v8"
+)
+
+type Redeem struct {
+	Id    int64   `json:"id"`
+	Code  string  `json:"code"`
+	Quota float32 `json:"quota"`
+	Used  bool    `json:"used"`
+}
+
+func GenerateRedeemCodes(db *sql.DB, num int, quota float32) ([]string, error) {
+	arr := make([]string, 0)
+	idx := 0
+	for idx < num {
+		code := fmt.Sprintf("nio-%s", utils.GenerateChar(32))
+		if err := CreateRedeemCode(db, code, quota); err != nil {
+			if errors.Is(err, sql.ErrNoRows) {
+				continue
+			}
+			return nil, fmt.Errorf("failed to generate code: %w", err)
+		}
+		arr = append(arr, code)
+		idx++
+	}
+
+	return arr, nil
+}
+
+func CreateRedeemCode(db *sql.DB, code string, quota float32) error {
+	_, err := db.Exec(`
+		INSERT INTO redeem (code, quota) VALUES (?, ?)
+	`, code, quota)
+	return err
+}
+
+func GetRedeemCode(db *sql.DB, code string) (*Redeem, error) {
+	row := db.QueryRow(`
+		SELECT id, code, quota, used
+		FROM redeem
+		WHERE code = ?
+	`, code)
+	var redeem Redeem
+	err := row.Scan(&redeem.Id, &redeem.Code, &redeem.Quota, &redeem.Used)
+
+	if err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return nil, fmt.Errorf("redeem code not found")
+		}
+		return nil, fmt.Errorf("failed to get redeem code: %w", err)
+	}
+	return &redeem, nil
+}
+func (r *Redeem) IsUsed() bool {
+	return r.Used
+}
+
+func (r *Redeem) Use(db *sql.DB) error {
+	_, err := db.Exec(`
+		UPDATE redeem SET used = TRUE WHERE id = ? AND used = FALSE
+	`, r.Id)
+	return err
+}
+
+func (r *Redeem) GetQuota() float32 {
+	return r.Quota
+}
+
+func (r *Redeem) UseRedeem(db *sql.DB, user *User) error {
+	if r.IsUsed() {
+		return fmt.Errorf("this redeem code has been used")
+	}
+
+	if err := r.Use(db); err != nil {
+		if errors.Is(err, sql.ErrNoRows) {
+			return fmt.Errorf("redeem code not found")
+		} else if errors.Is(err, sql.ErrTxDone) {
+			return fmt.Errorf("transaction has been closed")
+		}
+		return fmt.Errorf("failed to use redeem code: %w", err)
+	}
+
+	if !user.IncreaseQuota(db, r.GetQuota()) {
+		return fmt.Errorf("failed to increase quota for user")
+	}
+
+	return nil
+}
+
+func (u *User) UseRedeem(db *sql.DB, cache *redis.Client, code string) (float32, error) {
+	if useDeeptrain() {
+		return 0, errors.New("redeem code is not available in deeptrain mode")
+	}
+
+	if redeem, err := GetRedeemCode(db, code); err != nil {
+		return 0, err
+	} else {
+		if err := redeem.UseRedeem(db, u); err != nil {
+			return 0, fmt.Errorf("failed to use redeem code: %w", err)
+		}
+
+		admin.IncrBillingRequest(cache, int64(redeem.GetQuota()*10))
+		return redeem.GetQuota(), nil
+	}
+}
diff --git a/auth/router.go b/auth/router.go
index 90907d3..6b2ef56 100644
--- a/auth/router.go
+++ b/auth/router.go
@@ -15,4 +15,5 @@ func Register(app *gin.RouterGroup) {
 	app.GET("/subscription", SubscriptionAPI)
 	app.POST("/subscribe", SubscribeAPI)
 	app.GET("/invite", InviteAPI)
+	app.GET("/redeem", RedeemAPI)
 }
diff --git a/connection/cache.go b/connection/cache.go
index 1434db1..8c7df2d 100644
--- a/connection/cache.go
+++ b/connection/cache.go
@@ -26,8 +26,14 @@ func ConnectRedis() *redis.Client {
 		DB:       viper.GetInt("redis.db"),
 	})
 
-	if pingRedis(Cache) != nil {
-		log.Println(fmt.Sprintf("[connection] failed to connect to redis host: %s, will retry in 5 seconds", viper.GetString("redis.host")))
+	if err := pingRedis(Cache); err != nil {
+		log.Println(
+			fmt.Sprintf(
+				"[connection] failed to connect to redis host: %s (message: %s), will retry in 5 seconds",
+				viper.GetString("redis.host"),
+				err.Error(),
+			),
+		)
 	} else {
 		log.Println(fmt.Sprintf("[connection] connected to redis (host: %s)", viper.GetString("redis.host")))
 	}
diff --git a/connection/database.go b/connection/database.go
index 4ed1a20..eabc6e1 100644
--- a/connection/database.go
+++ b/connection/database.go
@@ -30,7 +30,12 @@ func ConnectMySQL() *sql.DB {
 		viper.GetString("mysql.db"),
 	))
 	if err != nil || db.Ping() != nil {
-		log.Println(fmt.Sprintf("[connection] failed to connect to mysql server: %s, will retry in 5 seconds", viper.GetString("mysql.host")))
+		log.Println(
+			fmt.Sprintf("[connection] failed to connect to mysql server: %s (message: %s), will retry in 5 seconds",
+				viper.GetString("mysql.host"),
+				utils.GetError(err), // err.Error() may contain nil pointer
+			),
+		)
 
 		utils.Sleep(5000)
 		db.Close()
@@ -48,6 +53,7 @@ func ConnectMySQL() *sql.DB {
 	CreateSubscriptionTable(db)
 	CreateApiKeyTable(db)
 	CreateInvitationTable(db)
+	CreateRedeemTable(db)
 	CreateBroadcastTable(db)
 
 	DB = db
@@ -119,8 +125,8 @@ func CreateQuotaTable(db *sql.DB) {
 		CREATE TABLE IF NOT EXISTS quota (
 		  id INT PRIMARY KEY AUTO_INCREMENT,
 		  user_id INT UNIQUE,
-		  quota DECIMAL(10, 4),
-		  used DECIMAL(10, 4),
+		  quota DECIMAL(16, 4),
+		  used DECIMAL(16, 4),
 		  created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
 		  updated_at DATETIME DEFAULT CURRENT_TIMESTAMP,
 		  FOREIGN KEY (user_id) REFERENCES auth(id)
@@ -206,7 +212,7 @@ func CreateInvitationTable(db *sql.DB) {
 		CREATE TABLE IF NOT EXISTS invitation (
 		  id INT PRIMARY KEY AUTO_INCREMENT,
 		  code VARCHAR(255) UNIQUE,
-		  quota DECIMAL(6, 4),
+		  quota DECIMAL(12, 4),
 		  type VARCHAR(255),
 		  used BOOLEAN DEFAULT FALSE,
 		  used_id INT,
@@ -221,6 +227,22 @@ func CreateInvitationTable(db *sql.DB) {
 	}
 }
 
+func CreateRedeemTable(db *sql.DB) {
+	_, err := db.Exec(`
+		CREATE TABLE IF NOT EXISTS redeem (
+		  id INT PRIMARY KEY AUTO_INCREMENT,
+		  code VARCHAR(255) UNIQUE,
+		  quota DECIMAL(12, 4),
+		  used BOOLEAN DEFAULT FALSE,
+		  created_at DATETIME DEFAULT CURRENT_TIMESTAMP,
+		  updated_at DATETIME DEFAULT CURRENT_TIMESTAMP
+		);
+	`)
+	if err != nil {
+		fmt.Println(err)
+	}
+}
+
 func CreateBroadcastTable(db *sql.DB) {
 	_, err := db.Exec(`
 		CREATE TABLE IF NOT EXISTS broadcast (
diff --git a/middleware/throttle.go b/middleware/throttle.go
index 7baf6bd..c4d45c5 100644
--- a/middleware/throttle.go
+++ b/middleware/throttle.go
@@ -35,6 +35,7 @@ var limits = map[string]Limiter{
 	"/chat":         {Duration: 1, Count: 5},
 	"/conversation": {Duration: 1, Count: 5},
 	"/invite":       {Duration: 7200, Count: 20},
+	"/redeem":       {Duration: 1200, Count: 60},
 	"/v1":           {Duration: 1, Count: 600},
 	"/dashboard":    {Duration: 1, Count: 5},
 	"/card":         {Duration: 1, Count: 5},
diff --git a/utils/config.go b/utils/config.go
index 8575485..ea22421 100644
--- a/utils/config.go
+++ b/utils/config.go
@@ -30,16 +30,14 @@ func ReadConf() {
 }
 
 func NewEngine() *gin.Engine {
-	engine := gin.New()
-
 	if viper.GetBool("debug") {
-		engine.Use(gin.Logger())
-	} else {
-		gin.SetMode(gin.ReleaseMode)
+		return gin.Default()
 	}
 
-	engine.Use(gin.Recovery())
+	gin.SetMode(gin.ReleaseMode)
 
+	engine := gin.New()
+	engine.Use(gin.Recovery())
 	return engine
 }