diff --git a/api/chat.go b/api/chat.go
index bf32e12..8b91056 100644
--- a/api/chat.go
+++ b/api/chat.go
@@ -60,8 +60,9 @@ func TextChat(db *sql.DB, user *auth.User, conn *websocket.Conn, instance *conve
 		SendSegmentMessage(conn, types.ChatGPTSegmentResponse{
 			Message: defaultErrorMessage,
 			Quota:   buffer.GetQuota(),
-			End:     false,
+			End:     true,
 		})
+		return defaultErrorMessage
 	}
 
 	// collect quota
diff --git a/app/src/App.tsx b/app/src/App.tsx
index cc327ed..c69bb6a 100644
--- a/app/src/App.tsx
+++ b/app/src/App.tsx
@@ -29,6 +29,7 @@ import {login, tokenField} from "./conf.ts";
 import { useTranslation } from "react-i18next";
 import Quota from "./routes/Quota.tsx";
 import {openDialog} from "./store/quota.ts";
+import Package from "./routes/Package.tsx";
 
 function Settings() {
   const { t } = useTranslation();
@@ -113,6 +114,7 @@ function App() {
       <RouterProvider router={router} />
       <Toaster />
       <Quota />
+      <Package />
     </Provider>
   );
 }
diff --git a/app/src/assets/package.less b/app/src/assets/package.less
new file mode 100644
index 0000000..e69de29
diff --git a/app/src/assets/quota.less b/app/src/assets/quota.less
index 59314ab..2714245 100644
--- a/app/src/assets/quota.less
+++ b/app/src/assets/quota.less
@@ -30,6 +30,7 @@
 
   .buy-button {
     width: 100%;
+    transition: .25s;
   }
 }
 
diff --git a/app/src/conversation/addition.ts b/app/src/conversation/addition.ts
new file mode 100644
index 0000000..fda333a
--- /dev/null
+++ b/app/src/conversation/addition.ts
@@ -0,0 +1,34 @@
+import axios from "axios";
+
+type QuotaResponse = {
+  status: boolean;
+  error: string;
+}
+
+type PackageResponse = {
+  status: boolean;
+  cert: boolean;
+  teenager: boolean;
+}
+
+export async function buyQuota(
+  quota: number,
+): Promise<QuotaResponse> {
+  try {
+    const resp = await axios.post(`/buy`, { quota });
+    return resp.data as QuotaResponse;
+  } catch (e) {
+    console.debug(e);
+    return { status: false, error: "network error" };
+  }
+}
+
+export async function getPackage(): Promise<PackageResponse> {
+  try {
+    const resp = await axios.get(`/package`);
+    return resp.data as PackageResponse;
+  } catch (e) {
+    console.debug(e);
+    return { status: false, cert: false, teenager: false };
+  }
+}
diff --git a/app/src/i18n.ts b/app/src/i18n.ts
index e4457cc..c0875a8 100644
--- a/app/src/i18n.ts
+++ b/app/src/i18n.ts
@@ -66,6 +66,23 @@ const resources = {
         "output": "Output",
         "tip": "Prices have been aligned (or lower) to OpenAI models",
         "learn-more": "Learn more",
+        "dialog-title": "Buy Points",
+        "dialog-desc": "Are you sure you want to buy {{amount}} points?",
+        "dialog-cancel": "Cancel",
+        "dialog-buy": "Buy",
+        "success": "Purchase successful",
+        "success-prompt": "You have successfully purchased {{amount}} points.",
+        "failed": "Purchase failed",
+        "failed-prompt": "Failed to purchase points. Please make sure you have enough balance, you will soon jump to deeptrain wallet to pay balance.",
+      },
+      pkg: {
+        "title": "Packages",
+        "go": "Go to",
+        "verify": "Verify",
+        "cert": "Certification Package",
+        "cert-desc": "After real-name certification, you can get 50 points (worth 5 CNY)",
+        "teen": "Teenager Package",
+        "teen-desc": "After real-name certification, teenagers (18 years old and below) can get an additional 150 points (worth 15 CNY)",
       }
     },
   },
@@ -124,6 +141,23 @@ const resources = {
         "output": "输出",
         "tip": "价格已对齐OpenAI模型或低于官方价格",
         "learn-more": "了解更多",
+        "dialog-title": "购买点数",
+        "dialog-desc": "您确定要购买 {{amount}} 点数吗？",
+        "dialog-cancel": "取消",
+        "dialog-buy": "购买",
+        "success": "购买成功",
+        "success-prompt": "您已成功购买 {{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，您即将跳转到 deeptrain 钱包支付余额。",
+      },
+      pkg: {
+        "title": "礼包",
+        "go": "前往",
+        "verify": "实名认证",
+        "cert": "实名认证礼包",
+        "cert-desc": "实名认证后可获得 50 点数 （价值 5 元）",
+        "teen": "未成年人福利",
+        "teen-desc": "实名认证后未成年人（18 周岁及以下）可额外获得 150 点数 （价值 15 元）",
       }
     },
   },
diff --git a/app/src/routes/Package.tsx b/app/src/routes/Package.tsx
new file mode 100644
index 0000000..36de917
--- /dev/null
+++ b/app/src/routes/Package.tsx
@@ -0,0 +1,41 @@
+import {
+  Dialog,
+  DialogContent,
+  DialogDescription,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+} from "../components/ui/dialog.tsx";
+import {Button} from "../components/ui/button.tsx";
+import "../assets/package.less";
+import {useTranslation} from "react-i18next";
+import {useDispatch, useSelector} from "react-redux";
+import {dialogSelector, refreshPackage} from "../store/package.ts";
+import {useEffect} from "react";
+
+function Package() {
+  const { t } = useTranslation();
+  const dispatch = useDispatch();
+  const open = useSelector(dialogSelector);
+  useEffect(() => {
+    refreshPackage(dispatch);
+  }, []);
+
+  return (
+    <Dialog>
+      <DialogContent>
+        <DialogHeader>
+          <DialogTitle>Edit profile</DialogTitle>
+          <DialogDescription>
+            Make changes to your profile here. Click save when you're done.
+          </DialogDescription>
+        </DialogHeader>
+        <DialogFooter>
+          <Button>Save changes</Button>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  )
+}
+
+export default Package;
diff --git a/app/src/routes/Quota.tsx b/app/src/routes/Quota.tsx
index cb3176e..335f8ab 100644
--- a/app/src/routes/Quota.tsx
+++ b/app/src/routes/Quota.tsx
@@ -1,5 +1,5 @@
 import {useDispatch, useSelector} from "react-redux";
-import {dialogSelector, refreshQuota, setDialog} from "../store/quota.ts";
+import {closeDialog, dialogSelector, refreshQuota, setDialog} from "../store/quota.ts";
 import {useTranslation} from "react-i18next";
 import {useEffect, useState} from "react";
 import {
@@ -15,6 +15,16 @@ import {Input} from "../components/ui/input.tsx";
 import {testNumberInputEvent} from "../utils.ts";
 import {Button} from "../components/ui/button.tsx";
 import {Separator} from "../components/ui/separator.tsx";
+import {
+  AlertDialog, AlertDialogAction, AlertDialogCancel,
+  AlertDialogContent, AlertDialogDescription,
+  AlertDialogFooter,
+  AlertDialogHeader,
+  AlertDialogTrigger
+} from "../components/ui/alert-dialog.tsx";
+import {AlertDialogTitle} from "@radix-ui/react-alert-dialog";
+import {buyQuota} from "../conversation/addition.ts";
+import {useToast} from "../components/ui/use-toast.ts";
 
 type AmountComponentProps = {
   amount: number;
@@ -45,8 +55,9 @@ function AmountComponent({ amount, active, other, onClick }: AmountComponentProp
 
 function Quota() {
   const { t } = useTranslation();
-  const [ current, setCurrent ] = useState(0);
-  const [ amount, setAmount ] = useState(0);
+  const { toast } = useToast();
+  const [ current, setCurrent ] = useState(1);
+  const [ amount, setAmount ] = useState(10);
   const open = useSelector(dialogSelector);
   const dispatch = useDispatch();
   useEffect(() => {
@@ -107,10 +118,43 @@ function Quota() {
                     }
                   </div>
                   <div className={`buy-action`}>
-                    <Button variant={`default`} className={`buy-button`}>
-                      <Plus className={`h-4 w-4 mr-2`} />
-                      { t('buy.buy', { amount }) }
-                    </Button>
+                    <AlertDialog>
+                      <AlertDialogTrigger asChild>
+                        <Button variant={`default`} className={`buy-button`} disabled={amount === 0}>
+                          <Plus className={`h-4 w-4 mr-2`} />
+                          { t('buy.buy', { amount }) }
+                        </Button>
+                      </AlertDialogTrigger>
+                      <AlertDialogContent>
+                        <AlertDialogHeader>
+                          <AlertDialogTitle>{ t('buy.dialog-title') }</AlertDialogTitle>
+                          <AlertDialogDescription>{ t('buy.dialog-desc', { amount }) }</AlertDialogDescription>
+                        </AlertDialogHeader>
+                        <AlertDialogFooter>
+                          <AlertDialogCancel>{ t('buy.dialog-cancel') }</AlertDialogCancel>
+                          <AlertDialogAction onClick={
+                            async () => {
+                              const res = await buyQuota(amount);
+                              if (res.status) {
+                                toast({
+                                  title: t('buy.success'),
+                                  description: t('buy.success-prompt', { amount }),
+                                })
+                                dispatch(closeDialog());
+                              } else {
+                                toast({
+                                  title: t('buy.failed'),
+                                  description: t('buy.failed-prompt', { amount }),
+                                })
+                                setTimeout(() => {
+                                  window.open('https://deeptrain.lightxi.com/home/wallet');
+                                }, 2000);
+                              }
+                            }
+                          }>{ t('buy.dialog-buy') }</AlertDialogAction>
+                        </AlertDialogFooter>
+                      </AlertDialogContent>
+                    </AlertDialog>
                   </div>
                 </div>
                 <div className={`line`} />
diff --git a/app/src/store/index.ts b/app/src/store/index.ts
index 786d26f..dc0d64c 100644
--- a/app/src/store/index.ts
+++ b/app/src/store/index.ts
@@ -3,6 +3,7 @@ import menuReducer from "./menu";
 import authReducer from "./auth";
 import chatReducer from "./chat";
 import quotaReducer from "./quota";
+import packageReducer from "./package";
 
 const store = configureStore({
   reducer: {
@@ -10,6 +11,7 @@ const store = configureStore({
     auth: authReducer,
     chat: chatReducer,
     quota: quotaReducer,
+    package: packageReducer,
   },
 });
 
diff --git a/app/src/store/package.ts b/app/src/store/package.ts
new file mode 100644
index 0000000..c3c6c0a
--- /dev/null
+++ b/app/src/store/package.ts
@@ -0,0 +1,47 @@
+import {createSlice} from "@reduxjs/toolkit";
+import {getPackage} from "../conversation/addition.ts";
+
+export const packageSlice = createSlice({
+  name: "package",
+  initialState: {
+    dialog: false,
+    cert: false,
+    teenager: false,
+  },
+  reducers: {
+    toggleDialog: (state) => {
+      state.dialog = !state.dialog;
+    },
+    setDialog: (state, action) => {
+      state.dialog = action.payload as boolean;
+    },
+    openDialog: (state) => {
+      state.dialog = true;
+    },
+    closeDialog: (state) => {
+      state.dialog = false;
+    },
+    refreshState: (state, action) => {
+      state.cert = action.payload.cert;
+      state.teenager = action.payload.teenager;
+    },
+  }
+});
+
+export const {toggleDialog, setDialog, openDialog, closeDialog, refreshState} = packageSlice.actions;
+export default packageSlice.reducer;
+
+export const dialogSelector = (state: any): boolean => state.package.dialog;
+export const certSelector = (state: any): boolean => state.package.cert;
+export const teenagerSelector = (state: any): boolean => state.package.teenager;
+
+export const refreshPackage = (dispatch: any) => {
+  setInterval(async () => {
+    const current = new Date().getTime(); //@ts-ignore
+    if (window.hasOwnProperty("package") && (current - window.package < 2500)) return; //@ts-ignore
+    window.package = current;
+
+    const response = await getPackage();
+    if (response.status) dispatch(refreshState(response));
+  }, 10000);
+}
diff --git a/auth/controller.go b/auth/controller.go
index 5f5b9b0..44d9db7 100644
--- a/auth/controller.go
+++ b/auth/controller.go
@@ -75,10 +75,12 @@ func BuyAPI(c *gin.Context) {
 	}
 
 	money := float32(form.Quota) * 0.1
-	if Pay(user.Username, float32(money)*0.1) {
+	if Pay(user.Username, money) {
+		user.IncreaseQuota(db, float32(form.Quota))
+
 		c.JSON(200, gin.H{
 			"status": true,
-			"data":   user.GetQuota(db),
+			"error":  "success",
 		})
 	} else {
 		c.JSON(200, gin.H{