diff --git a/src/assets/styles/global.css b/src/assets/styles/global.css
index e553a9d..0f384c7 100644
--- a/src/assets/styles/global.css
+++ b/src/assets/styles/global.css
@@ -844,6 +844,13 @@ button:disabled {
   box-shadow:
     inset 0 2px 4px rgba(255, 255, 255, 0.18),
     0 6px 14px rgba(0, 0, 0, 0.22);
+  overflow: hidden;
+}
+
+.avatar-card img {
+  width: 100%;
+  height: 100%;
+  object-fit: cover;
 }
 
 .player-meta p {
diff --git a/src/components/game/SeatPlayerCard.vue b/src/components/game/SeatPlayerCard.vue
index 848e7c9..3d4e552 100644
--- a/src/components/game/SeatPlayerCard.vue
+++ b/src/components/game/SeatPlayerCard.vue
@@ -3,6 +3,7 @@ import { computed } from 'vue'
 import wanIcon from '../../assets/images/flowerClolor/wan.png'
 import tongIcon from '../../assets/images/flowerClolor/tong.png'
 import tiaoIcon from '../../assets/images/flowerClolor/tiao.png'
+import defaultAvatarIcon from '../../assets/images/icons/avatar.svg'
 import type { SeatPlayerCardModel } from './seat-player-card'
 
 const props = defineProps<{
@@ -22,6 +23,10 @@ const missingSuitIcon = computed(() => {
   }
   return ''
 })
+
+const resolvedAvatarUrl = computed(() => {
+  return props.player.avatarUrl || defaultAvatarIcon
+})
 </script>
 
 <template>
@@ -30,7 +35,9 @@ const missingSuitIcon = computed(() => {
       :class="[seatClass, { 'is-turn': player.isTurn }]"
   >
     <div class="avatar-panel">
-      <div class="avatar-card">{{ player.avatar }}</div>
+      <div class="avatar-card">
+        <img :src="resolvedAvatarUrl" :alt="`${player.name}头像`" />
+      </div>
       <span v-if="player.dealer" class="dealer-mark">庄</span>
     </div>
 
@@ -43,4 +50,4 @@ const missingSuitIcon = computed(() => {
       <span v-else>{{ player.missingSuitLabel }}</span>
     </div>
   </article>
-</template>
\ No newline at end of file
+</template>
diff --git a/src/components/game/seat-player-card.ts b/src/components/game/seat-player-card.ts
index 2f8971f..a77f893 100644
--- a/src/components/game/seat-player-card.ts
+++ b/src/components/game/seat-player-card.ts
@@ -1,8 +1,8 @@
 // 玩家卡片展示模型（用于座位UI渲染）
 export interface SeatPlayerCardModel {
-    avatar: string          // 头像
+    avatarUrl: string       // 头像 URL
     name: string            // 显示名称
     dealer: boolean         // 是否庄家
     isTurn: boolean         // 是否当前轮到该玩家
     missingSuitLabel: string // 定缺花色（万/筒/条）
-}
\ No newline at end of file
+}
diff --git a/src/game/actions.ts b/src/game/actions.ts
index 8c03851..f061995 100644
--- a/src/game/actions.ts
+++ b/src/game/actions.ts
@@ -13,6 +13,8 @@ export interface RoomPlayerUpdatePayload {
         player_id?: string
         PlayerName?: string
         player_name?: string
+        AvatarUrl?: string
+        avatar_url?: string
         Ready?: boolean
         ready?: boolean
         MissingSuit?: string | null
diff --git a/src/store/gameStore.ts b/src/store/gameStore.ts
index 484862c..08f108d 100644
--- a/src/store/gameStore.ts
+++ b/src/store/gameStore.ts
@@ -133,6 +133,7 @@ export const useGameStore = defineStore('game', {
                     typeof seatRaw === 'number' && Number.isFinite(seatRaw) ? seatRaw : index
                 const readyRaw = raw.Ready ?? raw.ready
                 const displayNameRaw = raw.PlayerName ?? raw.player_name
+                const avatarUrlRaw = raw.AvatarUrl ?? raw.avatar_url
                 const missingSuitRaw = raw.MissingSuit ?? raw.missing_suit
 
                 nextPlayers[playerId] = {
@@ -142,6 +143,10 @@ export const useGameStore = defineStore('game', {
                         typeof displayNameRaw === 'string' && displayNameRaw
                             ? displayNameRaw
                             : previous?.displayName,
+                    avatarURL:
+                        typeof avatarUrlRaw === 'string'
+                            ? avatarUrlRaw
+                            : previous?.avatarURL,
                     missingSuit:
                         typeof missingSuitRaw === 'string' || missingSuitRaw === null
                             ? missingSuitRaw
@@ -167,6 +172,7 @@ export const useGameStore = defineStore('game', {
                         playerId,
                         seatIndex: previous?.seatIndex ?? index,
                         displayName: previous?.displayName ?? playerId,
+                        avatarURL: previous?.avatarURL,
                         missingSuit: previous?.missingSuit,
                         handTiles: previous?.handTiles ?? [],
                         melds: previous?.melds ?? [],
diff --git a/src/types/state/playerState.ts b/src/types/state/playerState.ts
index dd347fb..54791b9 100644
--- a/src/types/state/playerState.ts
+++ b/src/types/state/playerState.ts
@@ -1,8 +1,9 @@
-import type { Tile } from '../tile'
-import type { MeldState } from './meldState.ts'
+import type {Tile} from '../tile'
+import type {MeldState} from './meldState.ts'
 
 export interface PlayerState {
     playerId: string
+    avatarURL?: string
     seatIndex: number
     displayName?: string
     missingSuit?: string | null
diff --git a/src/views/ChengduGamePage.vue b/src/views/ChengduGamePage.vue
index 19b23ff..4a96f8b 100644
--- a/src/views/ChengduGamePage.vue
+++ b/src/views/ChengduGamePage.vue
@@ -41,6 +41,8 @@ type DisplayPlayer = PlayerState & {
   missingSuit?: string | null
 }
 
+type GameActionPayload<TType extends GameAction['type']> = Extract<GameAction, { type: TType }>['payload']
+
 interface SeatViewModel {
   key: SeatKey
   player?: DisplayPlayer
@@ -78,6 +80,31 @@ const loggedInUserName = computed(() => {
   return auth.value?.user?.nickname || auth.value?.user?.username || ''
 })
 
+const localCachedAvatarUrl = computed(() => {
+  const source = auth.value?.user as Record<string, unknown> | undefined
+  if (!source) {
+    return ''
+  }
+
+  const avatarCandidates = [
+    source.avatar,
+    source.avatar_url,
+    source.avatarUrl,
+    source.head_img,
+    source.headImg,
+    source.profile_image,
+    source.profileImage,
+  ]
+
+  for (const candidate of avatarCandidates) {
+    if (typeof candidate === 'string' && candidate.trim()) {
+      return candidate
+    }
+  }
+
+  return ''
+})
+
 const myPlayer = computed(() => {
   return gameStore.players[loggedInUserId.value]
 })
@@ -206,8 +233,8 @@ const seatDecor = computed<Record<SeatKey, SeatPlayerCardModel>>(() => {
   const dealerIndex = roomState.value.game?.state?.dealerIndex ?? -1
   const defaultMissingSuitLabel = missingSuitLabel(null)
 
-  const emptySeat = (avatar: string): SeatPlayerCardModel => ({
-    avatar,
+  const emptySeat = (): SeatPlayerCardModel => ({
+    avatarUrl: '',
     name: '空位',
     dealer: false,
     isTurn: false,
@@ -215,20 +242,24 @@ const seatDecor = computed<Record<SeatKey, SeatPlayerCardModel>>(() => {
   })
 
   const result: Record<SeatKey, SeatPlayerCardModel> = {
-    top: emptySeat('1'),
-    right: emptySeat('2'),
-    bottom: emptySeat('我'),
-    left: emptySeat('4'),
+    top: emptySeat(),
+    right: emptySeat(),
+    bottom: emptySeat(),
+    left: emptySeat(),
   }
 
-  for (const [index, seat] of seatViews.value.entries()) {
+  for (const seat of seatViews.value) {
     if (!seat.player) {
       continue
     }
 
     const displayName = seat.player.displayName || `玩家${seat.player.seatIndex + 1}`
+    const avatarUrl = seat.isSelf
+      ? (localCachedAvatarUrl.value || seat.player.avatarURL || '')
+      : (seat.player.avatarURL || '')
+
     result[seat.key] = {
-      avatar: seat.isSelf ? '我' : String(index + 1),
+      avatarUrl,
       name: seat.isSelf ? '你自己' : displayName,
       dealer: seat.player.seatIndex === dealerIndex,
       isTurn: seat.isTurn,
@@ -334,42 +365,42 @@ function toGameAction(message: unknown): GameAction | null {
   switch (type) {
     case 'GAME_INIT':
       if (payload && typeof payload === 'object') {
-        return {type: 'GAME_INIT', payload: payload as GameAction['payload']}
+        return {type: 'GAME_INIT', payload: payload as GameActionPayload<'GAME_INIT'>}
       }
       return null
     case 'GAME_START':
       if (payload && typeof payload === 'object') {
-        return {type: 'GAME_START', payload: payload as GameAction['payload']}
+        return {type: 'GAME_START', payload: payload as GameActionPayload<'GAME_START'>}
       }
       return null
     case 'DRAW_TILE':
       if (payload && typeof payload === 'object') {
-        return {type: 'DRAW_TILE', payload: payload as GameAction['payload']}
+        return {type: 'DRAW_TILE', payload: payload as GameActionPayload<'DRAW_TILE'>}
       }
       return null
     case 'PLAY_TILE':
       if (payload && typeof payload === 'object') {
-        return {type: 'PLAY_TILE', payload: payload as GameAction['payload']}
+        return {type: 'PLAY_TILE', payload: payload as GameActionPayload<'PLAY_TILE'>}
       }
       return null
     case 'PENDING_CLAIM':
       if (payload && typeof payload === 'object') {
-        return {type: 'PENDING_CLAIM', payload: payload as GameAction['payload']}
+        return {type: 'PENDING_CLAIM', payload: payload as GameActionPayload<'PENDING_CLAIM'>}
       }
       return null
     case 'CLAIM_RESOLVED':
       if (payload && typeof payload === 'object') {
-        return {type: 'CLAIM_RESOLVED', payload: payload as GameAction['payload']}
+        return {type: 'CLAIM_RESOLVED', payload: payload as GameActionPayload<'CLAIM_RESOLVED'>}
       }
       return null
     case 'ROOM_PLAYER_UPDATE':
       if (payload && typeof payload === 'object') {
-        return {type: 'ROOM_PLAYER_UPDATE', payload: payload as GameAction['payload']}
+        return {type: 'ROOM_PLAYER_UPDATE', payload: payload as GameActionPayload<'ROOM_PLAYER_UPDATE'>}
       }
       return null
     case 'ROOM_MEMBER_JOINED':
       if (payload && typeof payload === 'object') {
-        return {type: 'ROOM_PLAYER_UPDATE', payload: payload as GameAction['payload']}
+        return {type: 'ROOM_PLAYER_UPDATE', payload: payload as GameActionPayload<'ROOM_PLAYER_UPDATE'>}
       }
       return null
     default:
@@ -470,6 +501,7 @@ function hydrateFromActiveRoom(routeRoomId: string): void {
       playerId: player.playerId,
       seatIndex: player.index,
       displayName: player.displayName || player.playerId,
+      avatarURL: previous?.avatarURL,
       missingSuit: player.missingSuit ?? previous?.missingSuit,
       isReady: player.ready,
       handTiles: previous?.handTiles ?? [],