diff --git a/app/(order)/dispute/[id]/page.tsx b/app/(order)/dispute/[id]/page.tsx
index 6a6fcad..c4250ad 100644
--- a/app/(order)/dispute/[id]/page.tsx
+++ b/app/(order)/dispute/[id]/page.tsx
@@ -4,14 +4,23 @@ import { AlertTriangle, ArrowLeft, Clock, FileText, Upload, X } from "lucide-rea
 import Image from "next/image"
 import Link from "next/link"
 import { useRouter, useSearchParams } from "next/navigation"
-import { type ChangeEvent, use, useEffect, useRef, useState } from "react"
+import {
+  type ChangeEvent,
+  type Dispatch,
+  type SetStateAction,
+  use,
+  useEffect,
+  useRef,
+  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 { Label } from "@/components/ui/label"
 import { Separator } from "@/components/ui/separator"
 import { Textarea } from "@/components/ui/textarea"
-import { mockDisputes } from "@/lib/mock"
+import { useAuthStore } from "@/store/auth"
+import { useDisputeStore } from "@/store/disputes"
 import { useOrderStore } from "@/store/orders"
 
 const disputeStatusLabels: Record<string, string> = {
@@ -26,34 +35,55 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
   const router = useRouter()
   const searchParams = useSearchParams()
   const order = useOrderStore((state) => state.orders.find((item) => item.id === id))
-  const updateOrderStatus = useOrderStore((state) => state.updateOrderStatus)
-  const existingDispute = mockDisputes.find((d) => d.orderId === id)
+  const userId = useAuthStore((state) => state.user?.id)
+  const userName = useAuthStore((state) => state.user?.nickname)
+  const existingDispute = useDisputeStore((state) => state.getDisputeByOrderId(id))
+  const submitDispute = useDisputeStore((state) => state.submitDispute)
+  const submitResponse = useDisputeStore((state) => state.submitResponse)
+  const submitAppeal = useDisputeStore((state) => state.submitAppeal)
+
   const [reason, setReason] = useState("")
-  const [submitted, setSubmitted] = useState(false)
   const [files, setFiles] = useState<string[]>([])
+  const [responseReason, setResponseReason] = useState("")
+  const [responseFiles, setResponseFiles] = useState<string[]>([])
+  const [appealReason, setAppealReason] = useState("")
+
   const fileInputRef = useRef<HTMLInputElement>(null)
+  const responseFileInputRef = useRef<HTMLInputElement>(null)
   const filesRef = useRef<string[]>([])
+  const responseFilesRef = useRef<string[]>([])
 
   useEffect(() => {
     filesRef.current = files
   }, [files])
 
+  useEffect(() => {
+    responseFilesRef.current = responseFiles
+  }, [responseFiles])
+
   useEffect(
     () => () => {
       filesRef.current.forEach((url) => {
         URL.revokeObjectURL(url)
       })
+      responseFilesRef.current.forEach((url) => {
+        URL.revokeObjectURL(url)
+      })
     },
     [],
   )
 
-  const handleFileSelect = (event: ChangeEvent<HTMLInputElement>) => {
+  const handleFileSelect = (
+    event: ChangeEvent<HTMLInputElement>,
+    setter: Dispatch<SetStateAction<string[]>>,
+  ) => {
     const selectedFiles = event.target.files
     if (!selectedFiles?.length) return
 
-    setFiles((prev) => {
+    setter((prev) => {
       const remaining = 5 - prev.length
       if (remaining <= 0) return prev
+
       const nextUrls = Array.from(selectedFiles)
         .slice(0, remaining)
         .map((file) => URL.createObjectURL(file))
@@ -63,21 +93,31 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
     event.target.value = ""
   }
 
-  const handleRemoveFile = (index: number) => {
-    setFiles((prev) => {
-      const removed = prev[index]
-      if (removed) URL.revokeObjectURL(removed)
-      return prev.filter((_, currentIndex) => currentIndex !== index)
-    })
+  const removeFile = (
+    index: number,
+    filesState: string[],
+    setter: Dispatch<SetStateAction<string[]>>,
+  ) => {
+    const removed = filesState[index]
+    if (removed) {
+      URL.revokeObjectURL(removed)
+    }
+    setter((prev) => prev.filter((_, currentIndex) => currentIndex !== index))
   }
 
   const handleSubmit = () => {
-    updateOrderStatus(id, "disputed")
-    setSubmitted(true)
+    if (!userId || !userName || !reason.trim()) return
+    submitDispute({
+      orderId: id,
+      initiatorId: userId,
+      initiatorName: userName,
+      reason,
+      evidence: files,
+    })
     router.replace(`/dispute/${id}?submitted=1`)
   }
 
-  const showSubmitted = submitted || searchParams.get("submitted") === "1"
+  const showSubmitted = searchParams.get("submitted") === "1" && !existingDispute
 
   if (!order) {
     return (
@@ -88,8 +128,15 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
   }
 
   if (existingDispute) {
+    const isInitiator = userId === existingDispute.initiatorId
+    const canRespond =
+      !isInitiator &&
+      !existingDispute.respondentReason &&
+      (existingDispute.status === "open" || existingDispute.status === "reviewing")
+    const canAppeal = existingDispute.status === "resolved" && !existingDispute.appealedAt
+
     return (
-      <div className="container mx-auto py-8 px-4 max-w-lg">
+      <div className="container mx-auto py-8 px-4 max-w-2xl">
         <Link
           href={`/order/${id}`}
           className="inline-flex items-center gap-1 text-sm text-muted-foreground hover:text-foreground mb-4"
@@ -105,7 +152,7 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
               <Badge variant="outline">{disputeStatusLabels[existingDispute.status]}</Badge>
             </div>
           </CardHeader>
-          <CardContent className="space-y-4">
+          <CardContent className="space-y-5">
             <div className="space-y-2">
               <div className="flex items-center gap-2 text-sm">
                 <FileText className="h-4 w-4 text-muted-foreground" />
@@ -118,32 +165,124 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
                 {new Date(existingDispute.createdAt).toLocaleString("zh-CN")}
               </div>
             </div>
+
             <Separator />
-            <div>
-              <Label className="text-muted-foreground">争议原因</Label>
-              <p className="mt-1 text-sm">{existingDispute.reason}</p>
-            </div>
-            {existingDispute.evidence.length > 0 && (
-              <div>
-                <Label className="text-muted-foreground">证据截图</Label>
-                <div className="mt-1 flex gap-2">
+
+            <div className="space-y-2">
+              <Label className="text-muted-foreground">发起方举证</Label>
+              <p className="text-sm">{existingDispute.reason}</p>
+              {existingDispute.evidence.length > 0 && (
+                <div className="flex gap-2 flex-wrap">
                   {existingDispute.evidence.map((url) => (
                     <div
                       key={url}
                       className="relative h-20 w-20 rounded border overflow-hidden bg-muted"
                     >
-                      <Image src={url} alt="证据截图" fill className="object-cover" />
+                      <Image src={url} alt="发起方证据" fill unoptimized className="object-cover" />
                     </div>
                   ))}
                 </div>
-              </div>
+              )}
+            </div>
+
+            <Separator />
+
+            <div className="space-y-2">
+              <Label className="text-muted-foreground">对方举证</Label>
+              {existingDispute.respondentReason ? (
+                <>
+                  <p className="text-sm">{existingDispute.respondentReason}</p>
+                  {existingDispute.respondentEvidence.length > 0 && (
+                    <div className="flex gap-2 flex-wrap">
+                      {existingDispute.respondentEvidence.map((url) => (
+                        <div
+                          key={url}
+                          className="relative h-20 w-20 rounded border overflow-hidden bg-muted"
+                        >
+                          <Image
+                            src={url}
+                            alt="对方证据"
+                            fill
+                            unoptimized
+                            className="object-cover"
+                          />
+                        </div>
+                      ))}
+                    </div>
+                  )}
+                </>
+              ) : (
+                <p className="text-sm text-muted-foreground">对方暂未提交回应材料。</p>
+              )}
+            </div>
+
+            {canRespond && (
+              <>
+                <Separator />
+                <div className="space-y-3">
+                  <Label htmlFor="response-reason">提交回应</Label>
+                  <Textarea
+                    id="response-reason"
+                    value={responseReason}
+                    onChange={(event) => setResponseReason(event.target.value)}
+                    placeholder="请补充说明你的情况..."
+                    rows={3}
+                  />
+                  <input
+                    ref={responseFileInputRef}
+                    type="file"
+                    accept="image/*"
+                    multiple
+                    className="hidden"
+                    onChange={(event) => handleFileSelect(event, setResponseFiles)}
+                  />
+                  <Button variant="outline" onClick={() => responseFileInputRef.current?.click()}>
+                    <Upload className="mr-1 h-4 w-4" />
+                    上传回应证据
+                  </Button>
+                  {responseFiles.length > 0 && (
+                    <div className="grid grid-cols-5 gap-2">
+                      {responseFiles.map((url, index) => (
+                        <div
+                          key={url}
+                          className="relative h-16 w-16 rounded border overflow-hidden bg-muted"
+                        >
+                          <Image
+                            src={url}
+                            alt={`回应证据 ${index + 1}`}
+                            fill
+                            unoptimized
+                            className="object-cover"
+                          />
+                          <button
+                            type="button"
+                            className="absolute right-0 top-0 rounded-bl bg-background/90 p-0.5"
+                            onClick={() => removeFile(index, responseFiles, setResponseFiles)}
+                          >
+                            <X className="h-3 w-3" />
+                          </button>
+                        </div>
+                      ))}
+                    </div>
+                  )}
+                  <Button
+                    onClick={() =>
+                      submitResponse(existingDispute.id, responseReason, responseFiles)
+                    }
+                    disabled={!responseReason.trim()}
+                  >
+                    提交回应
+                  </Button>
+                </div>
+              </>
             )}
+
             {existingDispute.result && (
               <>
                 <Separator />
-                <div>
+                <div className="space-y-1">
                   <Label className="text-muted-foreground">仲裁结果</Label>
-                  <p className="mt-1 text-sm font-medium">
+                  <p className="text-sm font-medium">
                     {existingDispute.result === "full_refund"
                       ? "全额退款"
                       : existingDispute.result === "full_payment"
@@ -153,6 +292,45 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
                 </div>
               </>
             )}
+
+            {canAppeal && (
+              <>
+                <Separator />
+                <div className="space-y-2">
+                  <Label htmlFor="appeal-reason">申诉（仅一次）</Label>
+                  <Textarea
+                    id="appeal-reason"
+                    value={appealReason}
+                    onChange={(event) => setAppealReason(event.target.value)}
+                    placeholder="请说明申诉理由..."
+                    rows={3}
+                  />
+                  <Button
+                    variant="outline"
+                    onClick={() => submitAppeal(existingDispute.id, appealReason)}
+                    disabled={!appealReason.trim()}
+                  >
+                    提交申诉
+                  </Button>
+                </div>
+              </>
+            )}
+
+            <Separator />
+
+            <div className="space-y-2">
+              <Label className="text-muted-foreground">处理时间线</Label>
+              <div className="space-y-2">
+                {existingDispute.timeline.map((item) => (
+                  <div key={item.id} className="text-sm flex items-start justify-between gap-3">
+                    <span>{item.content}</span>
+                    <span className="text-xs text-muted-foreground shrink-0">
+                      {new Date(item.createdAt).toLocaleString("zh-CN")}
+                    </span>
+                  </div>
+                ))}
+              </div>
+            </div>
           </CardContent>
         </Card>
       </div>
@@ -199,7 +377,7 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
               id="dispute-reason"
               placeholder="请详细描述你遇到的问题..."
               value={reason}
-              onChange={(e) => setReason(e.target.value)}
+              onChange={(event) => setReason(event.target.value)}
               rows={4}
             />
           </div>
@@ -212,7 +390,7 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
               accept="image/*"
               multiple
               className="hidden"
-              onChange={handleFileSelect}
+              onChange={(event) => handleFileSelect(event, setFiles)}
             />
             <button
               type="button"
@@ -242,7 +420,7 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
                     <button
                       type="button"
                       className="absolute right-0 top-0 rounded-bl bg-background/90 p-0.5"
-                      onClick={() => handleRemoveFile(index)}
+                      onClick={() => removeFile(index, files, setFiles)}
                     >
                       <X className="h-3 w-3" />
                     </button>
@@ -260,7 +438,7 @@ export default function DisputePage({ params }: { params: Promise<{ id: string }
             <p>· 对仲裁结果不满可申诉一次</p>
           </div>
 
-          <Button className="w-full" disabled={!reason.trim()} onClick={handleSubmit}>
+          <Button className="w-full" disabled={!reason.trim() || !userId} onClick={handleSubmit}>
             提交争议
           </Button>
         </CardContent>
diff --git a/store/disputes.ts b/store/disputes.ts
new file mode 100644
index 0000000..07fb543
--- /dev/null
+++ b/store/disputes.ts
@@ -0,0 +1,222 @@
+import { create } from "zustand"
+import { generateId } from "@/lib/id"
+import { mockDisputes } from "@/lib/mock"
+import type { Dispute } from "@/lib/types"
+import { useOrderStore } from "@/store/orders"
+
+type DisputeTimelineType = "created" | "response" | "reviewing" | "resolved" | "appealed"
+
+interface DisputeTimelineItem {
+  id: string
+  type: DisputeTimelineType
+  content: string
+  createdAt: string
+}
+
+export interface DisputeRecord extends Dispute {
+  respondentReason?: string
+  respondentEvidence: string[]
+  appealReason?: string
+  appealedAt?: string
+  timeline: DisputeTimelineItem[]
+}
+
+interface SubmitDisputeInput {
+  orderId: string
+  initiatorId: string
+  initiatorName: string
+  reason: string
+  evidence: string[]
+}
+
+interface DisputeState {
+  disputes: DisputeRecord[]
+  getDisputeByOrderId: (orderId: string) => DisputeRecord | undefined
+  submitDispute: (input: SubmitDisputeInput) => DisputeRecord
+  submitResponse: (disputeId: string, reason: string, evidence: string[]) => void
+  submitAppeal: (disputeId: string, reason: string) => void
+}
+
+const progressTimers = new Map<string, ReturnType<typeof setTimeout>[]>()
+
+function clearProgressTimers(disputeId: string) {
+  const timers = progressTimers.get(disputeId)
+  if (!timers) return
+  timers.forEach((timer) => {
+    clearTimeout(timer)
+  })
+  progressTimers.delete(disputeId)
+}
+
+function asRecord(dispute: Dispute): DisputeRecord {
+  const timeline: DisputeTimelineItem[] = [
+    {
+      id: generateId("timeline"),
+      type: "created",
+      content: `${dispute.initiatorName} 提交争议`,
+      createdAt: dispute.createdAt,
+    },
+  ]
+
+  if (dispute.status === "reviewing") {
+    timeline.push({
+      id: generateId("timeline"),
+      type: "reviewing",
+      content: "平台已受理并进入审核",
+      createdAt: dispute.createdAt,
+    })
+  }
+
+  if (dispute.status === "resolved") {
+    timeline.push({
+      id: generateId("timeline"),
+      type: "resolved",
+      content: "平台已给出仲裁结果",
+      createdAt: dispute.createdAt,
+    })
+  }
+
+  return {
+    ...dispute,
+    respondentEvidence: [],
+    timeline,
+  }
+}
+
+export const useDisputeStore = create<DisputeState>((set, get) => {
+  const scheduleProgress = (disputeId: string) => {
+    clearProgressTimers(disputeId)
+
+    const toReviewing = setTimeout(() => {
+      set((state) => ({
+        disputes: state.disputes.map((dispute) => {
+          if (dispute.id !== disputeId) return dispute
+          if (dispute.status !== "open" && dispute.status !== "appealed") return dispute
+
+          return {
+            ...dispute,
+            status: "reviewing",
+            timeline: [
+              ...dispute.timeline,
+              {
+                id: generateId("timeline"),
+                type: "reviewing",
+                content: "平台已受理并进入审核",
+                createdAt: new Date().toISOString(),
+              },
+            ],
+          }
+        }),
+      }))
+    }, 5000)
+
+    const toResolved = setTimeout(() => {
+      set((state) => ({
+        disputes: state.disputes.map((dispute) => {
+          if (dispute.id !== disputeId) return dispute
+          if (dispute.status !== "reviewing" && dispute.status !== "appealed") return dispute
+
+          return {
+            ...dispute,
+            status: "resolved",
+            result: dispute.result ?? "partial_refund",
+            timeline: [
+              ...dispute.timeline,
+              {
+                id: generateId("timeline"),
+                type: "resolved",
+                content: "平台已给出仲裁结果",
+                createdAt: new Date().toISOString(),
+              },
+            ],
+          }
+        }),
+      }))
+      clearProgressTimers(disputeId)
+    }, 10000)
+
+    progressTimers.set(disputeId, [toReviewing, toResolved])
+  }
+
+  return {
+    disputes: mockDisputes.map(asRecord),
+    getDisputeByOrderId: (orderId) => get().disputes.find((dispute) => dispute.orderId === orderId),
+    submitDispute: (input) => {
+      const createdAt = new Date().toISOString()
+      const dispute: DisputeRecord = {
+        id: generateId("disp"),
+        orderId: input.orderId,
+        initiatorId: input.initiatorId,
+        initiatorName: input.initiatorName,
+        reason: input.reason.trim(),
+        evidence: input.evidence,
+        status: "open",
+        createdAt,
+        respondentEvidence: [],
+        timeline: [
+          {
+            id: generateId("timeline"),
+            type: "created",
+            content: `${input.initiatorName} 提交争议`,
+            createdAt,
+          },
+        ],
+      }
+
+      set((state) => ({ disputes: [dispute, ...state.disputes] }))
+      useOrderStore.getState().updateOrderStatus(input.orderId, "disputed")
+      scheduleProgress(dispute.id)
+      return dispute
+    },
+    submitResponse: (disputeId, reason, evidence) => {
+      if (!reason.trim()) return
+      set((state) => ({
+        disputes: state.disputes.map((dispute) => {
+          if (dispute.id !== disputeId || dispute.respondentReason) return dispute
+
+          return {
+            ...dispute,
+            respondentReason: reason.trim(),
+            respondentEvidence: evidence,
+            timeline: [
+              ...dispute.timeline,
+              {
+                id: generateId("timeline"),
+                type: "response",
+                content: "对方已提交回应材料",
+                createdAt: new Date().toISOString(),
+              },
+            ],
+          }
+        }),
+      }))
+    },
+    submitAppeal: (disputeId, reason) => {
+      if (!reason.trim()) return
+      set((state) => ({
+        disputes: state.disputes.map((dispute) => {
+          if (dispute.id !== disputeId || dispute.appealedAt || dispute.status !== "resolved") {
+            return dispute
+          }
+
+          return {
+            ...dispute,
+            status: "appealed",
+            appealReason: reason.trim(),
+            appealedAt: new Date().toISOString(),
+            timeline: [
+              ...dispute.timeline,
+              {
+                id: generateId("timeline"),
+                type: "appealed",
+                content: "已提交申诉，平台将复核",
+                createdAt: new Date().toISOString(),
+              },
+            ],
+          }
+        }),
+      }))
+      scheduleProgress(disputeId)
+    },
+  }
+})