diff --git a/app/(account)/wallet/page.tsx b/app/(account)/wallet/page.tsx
index 3018b3a..f8e0eda 100644
--- a/app/(account)/wallet/page.tsx
+++ b/app/(account)/wallet/page.tsx
@@ -8,13 +8,15 @@ import {
   RefreshCw,
   Wallet,
 } from "lucide-react"
+import { useState } from "react"
 import { Badge } from "@/components/ui/badge"
 import { Button } from "@/components/ui/button"
 import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card"
 import { Input } from "@/components/ui/input"
 import { Separator } from "@/components/ui/separator"
-import { mockTransactions, walletBalance } from "@/lib/mock"
+import { notifySuccess } from "@/lib/toast"
 import { useAuthStore } from "@/store/auth"
+import { useWalletStore } from "@/store/wallet"
 
 const typeLabels: Record<string, string> = {
   topup: "充值",
@@ -35,18 +37,42 @@ const typeIcons: Record<string, typeof ArrowUpRight> = {
 export default function WalletPage() {
   const { currentRole } = useAuthStore()
   const isConsumer = currentRole === "consumer"
+  const balance = useWalletStore((state) => state.balance)
+  const transactions = useWalletStore((state) => state.transactions)
+  const topUp = useWalletStore((state) => state.topUp)
+  const withdraw = useWalletStore((state) => state.withdraw)
+  const [selectedAmount, setSelectedAmount] = useState<number | null>(null)
+  const [customAmount, setCustomAmount] = useState("")
+  const [lastRefreshedAt, setLastRefreshedAt] = useState<string | null>(null)
 
-  const filteredTransactions = mockTransactions.filter((tx) => {
+  const filteredTransactions = transactions.filter((tx) => {
     if (isConsumer) {
       return ["topup", "payment", "refund"].includes(tx.type)
     }
     return ["income", "withdrawal"].includes(tx.type)
   })
 
-  const incomeBalance = mockTransactions
-    .filter((tx) => tx.type === "income")
+  const incomeBalance = transactions
+    .filter((tx) => ["income", "withdrawal"].includes(tx.type))
     .reduce((acc, tx) => acc + tx.amount, 0)
 
+  const handleTopUp = (rawAmount?: number) => {
+    const amount = rawAmount ?? Number(customAmount)
+    if (!Number.isFinite(amount) || amount <= 0) return
+    topUp(amount)
+    notifySuccess(`充值成功 +¥${amount}`)
+    setCustomAmount("")
+    setSelectedAmount(null)
+  }
+
+  const handleWithdraw = () => {
+    const amount = Number(customAmount || "0") || Number(incomeBalance.toFixed(2))
+    if (!Number.isFinite(amount) || amount <= 0) return
+    withdraw(amount)
+    notifySuccess(`提现申请已提交 ¥${amount}`)
+    setCustomAmount("")
+  }
+
   return (
     <div className="max-w-2xl space-y-6">
       <h1 className="text-2xl font-bold">钱包</h1>
@@ -59,19 +85,19 @@ export default function WalletPage() {
                 {isConsumer ? "账户余额" : "收入余额"}
               </p>
               <p className="text-3xl font-bold mt-1">
-                ¥{isConsumer ? walletBalance.toFixed(2) : incomeBalance.toFixed(2)}
+                ¥{isConsumer ? balance.toFixed(2) : incomeBalance.toFixed(2)}
               </p>
             </div>
             <Wallet className="h-10 w-10 text-muted-foreground" />
           </div>
           <div className="flex gap-2 mt-4">
             {isConsumer ? (
-              <Button>
+              <Button onClick={() => handleTopUp(selectedAmount ?? undefined)}>
                 <DollarSign className="mr-1 h-4 w-4" />
                 充值
               </Button>
             ) : (
-              <Button variant="outline">
+              <Button variant="outline" onClick={handleWithdraw}>
                 <CreditCard className="mr-1 h-4 w-4" />
                 提现
               </Button>
@@ -88,15 +114,31 @@ export default function WalletPage() {
           <CardContent className="space-y-4">
             <div className="grid grid-cols-3 gap-2">
               {[50, 100, 200, 500, 1000, 2000].map((amount) => (
-                <Button key={`amount-${amount}`} variant="outline" className="h-12">
+                <Button
+                  key={`amount-${amount}`}
+                  variant={selectedAmount === amount ? "default" : "outline"}
+                  className="h-12"
+                  onClick={() => {
+                    setSelectedAmount(amount)
+                    setCustomAmount(amount.toString())
+                  }}
+                >
                   ¥{amount}
                 </Button>
               ))}
             </div>
             <Separator />
             <div className="flex gap-2">
-              <Input placeholder="自定义金额" type="number" />
-              <Button>充值</Button>
+              <Input
+                placeholder="自定义金额"
+                type="number"
+                value={customAmount}
+                onChange={(event) => {
+                  setCustomAmount(event.target.value)
+                  setSelectedAmount(null)
+                }}
+              />
+              <Button onClick={() => handleTopUp()}>充值</Button>
             </div>
           </CardContent>
         </Card>
@@ -127,12 +169,22 @@ export default function WalletPage() {
       <Card>
         <CardHeader className="flex flex-row items-center justify-between">
           <CardTitle className="text-base">交易记录</CardTitle>
-          <Button variant="ghost" size="sm">
+          <Button
+            variant="ghost"
+            size="sm"
+            onClick={() => {
+              setLastRefreshedAt(new Date().toLocaleTimeString("zh-CN"))
+              notifySuccess("交易记录已刷新")
+            }}
+          >
             <RefreshCw className="mr-1 h-3.5 w-3.5" />
             刷新
           </Button>
         </CardHeader>
         <CardContent className="space-y-3">
+          {lastRefreshedAt && (
+            <p className="text-xs text-muted-foreground">最近刷新：{lastRefreshedAt}</p>
+          )}
           {filteredTransactions.length > 0 ? (
             filteredTransactions.map((tx) => {
               const Icon = typeIcons[tx.type]
diff --git a/app/(main)/post/new/page.tsx b/app/(main)/post/new/page.tsx
index 1132ce8..468f59f 100644
--- a/app/(main)/post/new/page.tsx
+++ b/app/(main)/post/new/page.tsx
@@ -4,7 +4,7 @@ import { standardSchemaResolver } from "@hookform/resolvers/standard-schema"
 import { ArrowLeft, ImagePlus, X } from "lucide-react"
 import Link from "next/link"
 import { useRouter } from "next/navigation"
-import { useState } from "react"
+import { useEffect, useState } from "react"
 import { useForm } from "react-hook-form"
 import { z } from "zod"
 import { Badge } from "@/components/ui/badge"
@@ -20,8 +20,10 @@ import {
   SelectValue,
 } from "@/components/ui/select"
 import { Textarea } from "@/components/ui/textarea"
-import { mockOrders, mockPosts } from "@/lib/mock"
+import { mockPosts } from "@/lib/mock"
 import { useRequireAuth } from "@/lib/use-require-auth"
+import { useAuthStore } from "@/store/auth"
+import { useOrderStore } from "@/store/orders"
 
 const postSchema = z.object({
   title: z.string().min(2, "标题至少2个字符").max(50, "标题最多50个字符"),
@@ -33,6 +35,9 @@ const tagOptions = ["英雄联盟", "王者荣耀", "CS2", "原神", "上分", "
 export default function NewPostPage() {
   const router = useRouter()
   const { isAuthenticated, requireAuth } = useRequireAuth()
+  const currentRole = useAuthStore((state) => state.currentRole)
+  const userId = useAuthStore((state) => state.user?.id)
+  const orders = useOrderStore((state) => state.orders)
   const [postType, setPostType] = useState("normal")
   const [selectedTags, setSelectedTags] = useState<string[]>([])
   const [imageCount, setImageCount] = useState(0)
@@ -53,6 +58,16 @@ export default function NewPostPage() {
     )
   }
 
+  useEffect(() => {
+    if (currentRole !== "consumer" && postType === "show_order") {
+      setPostType("normal")
+    }
+  }, [currentRole, postType])
+
+  const availableOrders = orders.filter(
+    (order) => order.status === "completed" && order.consumerId === userId,
+  )
+
   const onSubmit = async () => {
     if (!isAuthenticated) {
       requireAuth(() => undefined)
@@ -87,7 +102,7 @@ export default function NewPostPage() {
                 </SelectTrigger>
                 <SelectContent>
                   <SelectItem value="normal">普通帖</SelectItem>
-                  <SelectItem value="show_order">秀单帖</SelectItem>
+                  {currentRole === "consumer" && <SelectItem value="show_order">秀单帖</SelectItem>}
                   <SelectItem value="quote">引用帖</SelectItem>
                 </SelectContent>
               </Select>
@@ -101,13 +116,11 @@ export default function NewPostPage() {
                     <SelectValue placeholder="选择要展示的订单" />
                   </SelectTrigger>
                   <SelectContent>
-                    {mockOrders
-                      .filter((order) => order.status === "completed")
-                      .map((order) => (
-                        <SelectItem key={order.id} value={order.id}>
-                          {order.service.title} · {order.playerName}
-                        </SelectItem>
-                      ))}
+                    {availableOrders.map((order) => (
+                      <SelectItem key={order.id} value={order.id}>
+                        {order.service.title} · {order.playerName}
+                      </SelectItem>
+                    ))}
                   </SelectContent>
                 </Select>
               </div>
diff --git a/app/(order)/order/new/page.tsx b/app/(order)/order/new/page.tsx
index a079637..d5b8855 100644
--- a/app/(order)/order/new/page.tsx
+++ b/app/(order)/order/new/page.tsx
@@ -11,12 +11,13 @@ import { Input } from "@/components/ui/input"
 import { Label } from "@/components/ui/label"
 import { Separator } from "@/components/ui/separator"
 import { Textarea } from "@/components/ui/textarea"
-import { mockPlayers, mockServices, walletBalance } from "@/lib/mock"
+import { mockPlayers, mockServices } from "@/lib/mock"
 import { notifySuccess } from "@/lib/toast"
 import { useRequireAuth } from "@/lib/use-require-auth"
 import { useAuthStore } from "@/store/auth"
 import { useChatStore } from "@/store/chat"
 import { useOrderStore } from "@/store/orders"
+import { useWalletStore } from "@/store/wallet"
 
 export default function NewOrderPage() {
   const router = useRouter()
@@ -24,6 +25,8 @@ export default function NewOrderPage() {
   const { requireAuth } = useRequireAuth()
   const createOrder = useOrderStore((state) => state.createOrder)
   const ensureOrderSession = useChatStore((state) => state.ensureOrderSession)
+  const balance = useWalletStore((state) => state.balance)
+  const deductBalance = useWalletStore((state) => state.deductBalance)
   const serviceId = searchParams.get("serviceId")
 
   const service = mockServices.find((s) => s.id === serviceId)
@@ -163,9 +166,9 @@ export default function NewOrderPage() {
             </div>
             <div className="flex items-center gap-2 text-sm text-muted-foreground">
               <CreditCard className="h-4 w-4" />
-              <span>钱包余额: ¥{walletBalance}</span>
-              {walletBalance < totalPrice && <span className="text-destructive">（余额不足）</span>}
-              {walletBalance < totalPrice && (
+              <span>钱包余额: ¥{balance.toFixed(2)}</span>
+              {balance < totalPrice && <span className="text-destructive">（余额不足）</span>}
+              {balance < totalPrice && (
                 <Button variant="outline" size="sm" asChild>
                   <Link href="/wallet">充值</Link>
                 </Button>
@@ -181,7 +184,7 @@ export default function NewOrderPage() {
         <Button
           className="w-full"
           size="lg"
-          disabled={walletBalance < totalPrice}
+          disabled={balance < totalPrice}
           onClick={() =>
             requireAuth(async () => {
               await new Promise((resolve) => setTimeout(resolve, 500))
@@ -201,6 +204,11 @@ export default function NewOrderPage() {
                 status: "pending_accept",
               })
 
+              const paid = deductBalance(order.id, totalPrice)
+              if (!paid) {
+                return
+              }
+
               ensureOrderSession(order)
               setSubmitted(true)
               notifySuccess("下单成功")
diff --git a/store/wallet.ts b/store/wallet.ts
new file mode 100644
index 0000000..0d6350c
--- /dev/null
+++ b/store/wallet.ts
@@ -0,0 +1,108 @@
+import { create } from "zustand"
+import { generateId } from "@/lib/id"
+import { mockTransactions, walletBalance } from "@/lib/mock"
+import type { WalletTransaction } from "@/lib/types"
+
+interface WalletState {
+  balance: number
+  transactions: WalletTransaction[]
+  topUp: (amount: number) => void
+  withdraw: (amount: number) => void
+  deductBalance: (orderId: string, amount: number) => boolean
+  addIncome: (orderId: string, amount: number) => void
+  addTransaction: (transaction: WalletTransaction) => void
+}
+
+export const useWalletStore = create<WalletState>((set, get) => ({
+  balance: walletBalance,
+  transactions: mockTransactions,
+  topUp: (amount) => {
+    if (!Number.isFinite(amount) || amount <= 0) return
+    const now = new Date().toISOString()
+    set((state) => ({
+      balance: state.balance + amount,
+      transactions: [
+        {
+          id: generateId("tx"),
+          type: "topup",
+          amount,
+          description: "充值",
+          createdAt: now,
+        },
+        ...state.transactions,
+      ],
+    }))
+  },
+  withdraw: (amount) => {
+    if (!Number.isFinite(amount) || amount <= 0) return
+    const now = new Date().toISOString()
+    set((state) => ({
+      transactions: [
+        {
+          id: generateId("tx"),
+          type: "withdrawal",
+          amount: -amount,
+          description: "提现到银行卡",
+          createdAt: now,
+        },
+        ...state.transactions,
+      ],
+    }))
+  },
+  deductBalance: (orderId, amount) => {
+    if (!Number.isFinite(amount) || amount <= 0) return false
+
+    const state = get()
+    const paid = state.transactions.some(
+      (transaction) => transaction.type === "payment" && transaction.description.includes(orderId),
+    )
+    if (paid || state.balance < amount) {
+      return false
+    }
+
+    const now = new Date().toISOString()
+    set((prev) => ({
+      balance: prev.balance - amount,
+      transactions: [
+        {
+          id: generateId("tx"),
+          type: "payment",
+          amount: -amount,
+          description: `支付订单 ${orderId}`,
+          createdAt: now,
+        },
+        ...prev.transactions,
+      ],
+    }))
+    return true
+  },
+  addIncome: (orderId, amount) => {
+    if (!Number.isFinite(amount) || amount <= 0) return
+
+    const state = get()
+    const exists = state.transactions.some(
+      (transaction) => transaction.type === "income" && transaction.description.includes(orderId),
+    )
+    if (exists) return
+
+    const now = new Date().toISOString()
+    const income = Number((amount * 0.85).toFixed(2))
+    set((prev) => ({
+      transactions: [
+        {
+          id: generateId("tx"),
+          type: "income",
+          amount: income,
+          description: `订单 ${orderId} 收入（扣除15%抽成）`,
+          createdAt: now,
+        },
+        ...prev.transactions,
+      ],
+    }))
+  },
+  addTransaction: (transaction) => {
+    set((state) => ({
+      transactions: [transaction, ...state.transactions],
+    }))
+  },
+}))