diff --git a/app/(main)/community/page.tsx b/app/(main)/community/page.tsx
index e0cb707..12798af 100644
--- a/app/(main)/community/page.tsx
+++ b/app/(main)/community/page.tsx
@@ -1,13 +1,33 @@
+"use client"
+
 import { ClipboardList, Heart, MessageCircle, PenSquare, Pin } from "lucide-react"
 import Link from "next/link"
+import { useState } from "react"
 import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar"
 import { Badge } from "@/components/ui/badge"
 import { Button } from "@/components/ui/button"
 import { Card, CardContent, CardFooter, CardHeader } from "@/components/ui/card"
 import { roleLabels } from "@/lib/constants"
-import { mockPosts } from "@/lib/mock-data"
+import { mockGames, mockPosts } from "@/lib/mock-data"
 
 export default function CommunityPage() {
+  const [sortMode, setSortMode] = useState<"latest" | "hot">("latest")
+  const [selectedGame, setSelectedGame] = useState<string | null>(null)
+
+  const filteredPosts = mockPosts
+    .filter((post) => {
+      if (!selectedGame) return true
+      return post.tags.includes(selectedGame)
+    })
+    .sort((a, b) => {
+      if (sortMode === "latest") {
+        return new Date(b.createdAt).getTime() - new Date(a.createdAt).getTime()
+      }
+      const scoreA = a.likeCount + a.commentCount
+      const scoreB = b.likeCount + b.commentCount
+      return scoreB - scoreA
+    })
+
   return (
     <div className="container mx-auto py-8 px-4 max-w-2xl">
       <div className="flex items-center justify-between mb-6">
@@ -20,8 +40,41 @@ export default function CommunityPage() {
         </Button>
       </div>
 
+      <div className="flex flex-col gap-4 mb-6">
+        <div className="flex items-center gap-2">
+          <Button
+            variant={sortMode === "latest" ? "default" : "outline"}
+            size="sm"
+            onClick={() => setSortMode("latest")}
+            className="h-8"
+          >
+            最新
+          </Button>
+          <Button
+            variant={sortMode === "hot" ? "default" : "outline"}
+            size="sm"
+            onClick={() => setSortMode("hot")}
+            className="h-8"
+          >
+            最热
+          </Button>
+        </div>
+        <div className="flex flex-wrap gap-2">
+          {mockGames.map((game) => (
+            <Badge
+              key={game.id}
+              variant={selectedGame === game.name ? "default" : "outline"}
+              className="cursor-pointer hover:bg-primary/80 transition-colors px-3 py-1"
+              onClick={() => setSelectedGame(selectedGame === game.name ? null : game.name)}
+            >
+              {game.name}
+            </Badge>
+          ))}
+        </div>
+      </div>
+
       <div className="space-y-4">
-        {mockPosts.map((post) => (
+        {filteredPosts.map((post) => (
           <Link key={post.id} href={`/post/${post.id}`}>
             <Card className="hover:shadow-md transition-shadow">
               <CardHeader className="pb-3">
diff --git a/app/(main)/post/new/page.tsx b/app/(main)/post/new/page.tsx
index c9a8e50..1e5c1b0 100644
--- a/app/(main)/post/new/page.tsx
+++ b/app/(main)/post/new/page.tsx
@@ -20,6 +20,7 @@ import {
   SelectValue,
 } from "@/components/ui/select"
 import { Textarea } from "@/components/ui/textarea"
+import { mockPosts } from "@/lib/mock-data"
 import { useRequireAuth } from "@/lib/use-require-auth"
 
 const postSchema = z.object({
@@ -35,6 +36,7 @@ export default function NewPostPage() {
   const [postType, setPostType] = useState("normal")
   const [selectedTags, setSelectedTags] = useState<string[]>([])
   const [imageCount, setImageCount] = useState(0)
+  const [selectedQuotePostId, setSelectedQuotePostId] = useState<string | undefined>(undefined)
 
   const {
     register,
@@ -104,6 +106,28 @@ export default function NewPostPage() {
               </div>
             )}
 
+            {postType === "quote" && (
+              <div className="space-y-2">
+                <Label>引用帖子</Label>
+                <Select>
+                  <SelectTrigger>
+                    <SelectValue placeholder="选择要引用的帖子" />
+                  </SelectTrigger>
+                  <SelectContent>
+                    {mockPosts.map((post) => (
+                      <SelectItem key={post.id} value={post.id}>
+                        {post.title}
+                      </SelectItem>
+                    ))}
+                  </SelectContent>
+                </Select>
+                <div className="mt-2 rounded-md border bg-muted/50 p-3 text-sm text-muted-foreground">
+                  <p className="font-medium text-foreground">预览：</p>
+                  <p className="mt-1">选择一个帖子以查看预览...</p>
+                </div>
+              </div>
+            )}
+
             <div className="space-y-2">
               <Label htmlFor="title">标题</Label>
               <Input id="title" placeholder="请输入帖子标题" {...register("title")} />