diff --git a/src/components/cards/MediaCard.vue b/src/components/cards/MediaCard.vue
index 3ee71574..76947be3 100644
--- a/src/components/cards/MediaCard.vue
+++ b/src/components/cards/MediaCard.vue
@@ -1,6 +1,6 @@
 <script lang="ts" setup>
 import noImage from '@images/no-image.jpeg'
-import { getLogoUrl } from '@/utils/imageUtils'
+import { getDisplayImageUrl, getLogoUrl } from '@/utils/imageUtils'
 import api from '@/api'
 import { useToast } from 'vue-toastification'
 import { formatSeason, formatRating } from '@/@core/utils/formatters'
@@ -464,13 +464,7 @@ function setupIntersectionObserver() {
 const getImgUrl: Ref<string> = computed(() => {
   if (imageLoadError.value) return noImage
   const url = props.media?.poster_path?.replace('original', 'w500') ?? noImage
-  // 使用图片缓存
-  if (globalSettings.GLOBAL_IMAGE_CACHE)
-    return `${import.meta.env.VITE_API_BASE_URL}system/cache/image?url=${encodeURIComponent(url)}`
-  // 如果地址中包含douban则使用中转代理
-  if (url.includes('doubanio.com'))
-    return `${import.meta.env.VITE_API_BASE_URL}system/img/0?imgurl=${encodeURIComponent(url)}`
-  return url
+  return getDisplayImageUrl(url, globalSettings.GLOBAL_IMAGE_CACHE)
 })
 
 // 移除订阅
diff --git a/src/components/cards/PersonCard.vue b/src/components/cards/PersonCard.vue
index ae0771a8..20323e4c 100644
--- a/src/components/cards/PersonCard.vue
+++ b/src/components/cards/PersonCard.vue
@@ -3,6 +3,7 @@ import personIcon from '@images/misc/person-icon.png'
 import type { Person } from '@/api/types'
 import router from '@/router'
 import { useGlobalSettingsStore } from '@/stores'
+import { getDisplayImageUrl } from '@/utils/imageUtils'
 
 const personProps = defineProps({
   person: Object as PropType<Person>,
@@ -40,9 +41,7 @@ function getPersonImage() {
   } else {
     return personIcon
   }
-  if (globalSettings.GLOBAL_IMAGE_CACHE && url)
-    return `${import.meta.env.VITE_API_BASE_URL}system/cache/image?url=${encodeURIComponent(url)}`
-  return url
+  return getDisplayImageUrl(url, globalSettings.GLOBAL_IMAGE_CACHE)
 }
 
 // 人物姓名
diff --git a/src/components/cards/SubscribeCard.vue b/src/components/cards/SubscribeCard.vue
index 69257dfe..ea92ca46 100644
--- a/src/components/cards/SubscribeCard.vue
+++ b/src/components/cards/SubscribeCard.vue
@@ -9,6 +9,7 @@ import { useI18n } from 'vue-i18n'
 import { useDisplay } from 'vuetify'
 import { useGlobalSettingsStore } from '@/stores'
 import { openSharedDialog } from '@/composables/useSharedDialog'
+import { getDisplayImageUrl } from '@/utils/imageUtils'
 
 const SubscribeEditDialog = defineAsyncComponent(() => import('../dialog/SubscribeEditDialog.vue'))
 const SubscribeFilesDialog = defineAsyncComponent(() => import('../dialog/SubscribeFilesDialog.vue'))
@@ -363,19 +364,13 @@ watch(
 // 计算backdrop图片地址
 const backdropUrl = computed(() => {
   const url = props.media?.backdrop || props.media?.poster
-  // 使用图片缓存
-  if (globalSettings.GLOBAL_IMAGE_CACHE && url)
-    return `${import.meta.env.VITE_API_BASE_URL}system/cache/image?url=${encodeURIComponent(url)}`
-  return url
+  return getDisplayImageUrl(url || '', globalSettings.GLOBAL_IMAGE_CACHE)
 })
 
 // 计算海报图片地址
 const posterUrl = computed(() => {
   const url = props.media?.poster
-  // 使用图片缓存
-  if (globalSettings.GLOBAL_IMAGE_CACHE && url)
-    return `${import.meta.env.VITE_API_BASE_URL}system/cache/image?url=${encodeURIComponent(url)}`
-  return url
+  return getDisplayImageUrl(url || '', globalSettings.GLOBAL_IMAGE_CACHE)
 })
 
 // 订阅编辑保存
diff --git a/src/components/cards/SubscribeShareCard.vue b/src/components/cards/SubscribeShareCard.vue
index 19f8af17..33d163c7 100644
--- a/src/components/cards/SubscribeShareCard.vue
+++ b/src/components/cards/SubscribeShareCard.vue
@@ -4,6 +4,7 @@ import type { SubscribeShare } from '@/api/types'
 import router from '@/router'
 import { useGlobalSettingsStore } from '@/stores'
 import { openSharedDialog } from '@/composables/useSharedDialog'
+import { getDisplayImageUrl } from '@/utils/imageUtils'
 
 const ForkSubscribeDialog = defineAsyncComponent(() => import('../dialog/ForkSubscribeDialog.vue'))
 const SubscribeEditDialog = defineAsyncComponent(() => import('../dialog/SubscribeEditDialog.vue'))
@@ -35,19 +36,13 @@ const dateText = ref(props.media && props.media?.date ? formatDateDifference(pro
 // 计算backdrop图片地址
 const backdropUrl = computed(() => {
   const url = props.media?.backdrop || props.media?.poster
-  // 使用图片缓存
-  if (globalSettings.GLOBAL_IMAGE_CACHE && url)
-    return `${import.meta.env.VITE_API_BASE_URL}system/cache/image?url=${encodeURIComponent(url)}`
-  return url
+  return getDisplayImageUrl(url || '', globalSettings.GLOBAL_IMAGE_CACHE)
 })
 
 // 计算海报图片地址
 const posterUrl = computed(() => {
   const url = props.media?.poster
-  // 使用图片缓存
-  if (globalSettings.GLOBAL_IMAGE_CACHE && url)
-    return `${import.meta.env.VITE_API_BASE_URL}system/cache/image?url=${encodeURIComponent(url)}`
-  return url
+  return getDisplayImageUrl(url || '', globalSettings.GLOBAL_IMAGE_CACHE)
 })
 
 // 获得mediaid
diff --git a/src/components/dialog/ForkSubscribeDialog.vue b/src/components/dialog/ForkSubscribeDialog.vue
index 06a86c17..0c47cd01 100644
--- a/src/components/dialog/ForkSubscribeDialog.vue
+++ b/src/components/dialog/ForkSubscribeDialog.vue
@@ -7,6 +7,7 @@ import { useToast } from 'vue-toastification'
 import { VBtn } from 'vuetify/lib/components/index.mjs'
 import { useI18n } from 'vue-i18n'
 import { useGlobalSettingsStore } from '@/stores'
+import { getDisplayImageUrl } from '@/utils/imageUtils'
 
 // 国际化
 const { t } = useI18n()
@@ -88,10 +89,7 @@ async function unfollowUser() {
 // 计算海报图片地址
 const posterUrl = computed(() => {
   const url = props.media?.poster
-  // 使用图片缓存
-  if (globalSettings.GLOBAL_IMAGE_CACHE && url)
-    return `${import.meta.env.VITE_API_BASE_URL}system/cache/image?url=${encodeURIComponent(url)}`
-  return url
+  return getDisplayImageUrl(url || '', globalSettings.GLOBAL_IMAGE_CACHE)
 })
 
 // 获得mediaid
diff --git a/src/utils/imageUtils.ts b/src/utils/imageUtils.ts
index 4e0a4c65..f3ad05fb 100644
--- a/src/utils/imageUtils.ts
+++ b/src/utils/imageUtils.ts
@@ -80,6 +80,39 @@ export function getLogoUrl(logoName: string): string {
   return logoMap[logoName] || ''
 }
 
+/**
+ * 判断是否为需要强制走后端代理的 Bangumi 图片。
+ * @param url 图片地址
+ * @returns 是否为 Bangumi 图片地址
+ */
+export function isBangumiImageUrl(url: string): boolean {
+  if (!url) return false
+  try {
+    const hostname = new URL(url).hostname.toLowerCase()
+    return hostname === 'lain.bgm.tv' || hostname.endsWith('.lain.bgm.tv')
+  } catch {
+    return url.includes('lain.bgm.tv')
+  }
+}
+
+/**
+ * 将远程图片地址转换为前端可直接展示的地址。
+ * @param url 原始图片地址
+ * @param useCache 是否使用后端图片缓存
+ * @returns 转换后的图片地址
+ */
+export function getDisplayImageUrl(url: string, useCache = false): string {
+  if (!url || !/^https?:\/\//i.test(url)) return url
+  const encodedUrl = encodeURIComponent(url)
+  if (isBangumiImageUrl(url))
+    return `${import.meta.env.VITE_API_BASE_URL}system/img/1?imgurl=${encodedUrl}${useCache ? '&cache=true' : ''}`
+  if (useCache)
+    return `${import.meta.env.VITE_API_BASE_URL}system/cache/image?url=${encodedUrl}`
+  if (url.includes('doubanio.com'))
+    return `${import.meta.env.VITE_API_BASE_URL}system/img/0?imgurl=${encodedUrl}`
+  return url
+}
+
 /**
  * 获取所有可用的图标名称
  * @returns 图标名称数组
diff --git a/src/views/discover/MediaDetailView.vue b/src/views/discover/MediaDetailView.vue
index 765bb8c3..b74e0143 100644
--- a/src/views/discover/MediaDetailView.vue
+++ b/src/views/discover/MediaDetailView.vue
@@ -16,6 +16,7 @@ import { hasPermission } from '@/utils/permission'
 import { useGlobalSettingsStore } from '@/stores'
 import { openMediaServerItem, openDoubanApp } from '@/utils/appDeepLink'
 import { openSharedDialog } from '@/composables/useSharedDialog'
+import { getDisplayImageUrl } from '@/utils/imageUtils'
 
 const SearchSiteDialog = defineAsyncComponent(() => import('@/components/dialog/SearchSiteDialog.vue'))
 const SubscribeEditDialog = defineAsyncComponent(() => import('@/components/dialog/SubscribeEditDialog.vue'))
@@ -417,31 +418,19 @@ function getEpisodeImage(stillPath: string) {
 function getW500Image(url = '') {
   if (!url) return ''
   url = url.replace('original', 'w500')
-  // 使用图片缓存
-  if (globalSettings.GLOBAL_IMAGE_CACHE)
-    return `${import.meta.env.VITE_API_BASE_URL}system/cache/image?url=${encodeURIComponent(url)}`
-  return url
+  return getDisplayImageUrl(url, globalSettings.GLOBAL_IMAGE_CACHE)
 }
 
 // 计算Poster地址
 const getPosterUrl: Ref<string> = computed(() => {
   const url = mediaDetail.value.poster_path ?? ''
-  // 使用图片缓存
-  if (globalSettings.GLOBAL_IMAGE_CACHE)
-    return `${import.meta.env.VITE_API_BASE_URL}system/cache/image?url=${encodeURIComponent(url)}`
-  // 如果地址中包含douban则使用中转代理
-  if (url.includes('doubanio.com'))
-    return `${import.meta.env.VITE_API_BASE_URL}system/img/0?imgurl=${encodeURIComponent(url)}`
-  return url
+  return getDisplayImageUrl(url, globalSettings.GLOBAL_IMAGE_CACHE)
 })
 
 // 计算backdrop地址
 const getBackdropUrl: Ref<string> = computed(() => {
   const url = mediaDetail.value.backdrop_path ?? ''
-  // 使用图片缓存
-  if (globalSettings.GLOBAL_IMAGE_CACHE)
-    return `${import.meta.env.VITE_API_BASE_URL}system/cache/image?url=${encodeURIComponent(url)}`
-  return url
+  return getDisplayImageUrl(url, globalSettings.GLOBAL_IMAGE_CACHE)
 })
 
 // 获取发行国家名称
diff --git a/src/views/discover/PersonDetailView.vue b/src/views/discover/PersonDetailView.vue
index 3f3c1096..76642346 100644
--- a/src/views/discover/PersonDetailView.vue
+++ b/src/views/discover/PersonDetailView.vue
@@ -6,6 +6,7 @@ import type { Person } from '@/api/types'
 import NoDataFound from '@/components/NoDataFound.vue'
 import { useI18n } from 'vue-i18n'
 import { useGlobalSettingsStore } from '@/stores'
+import { getDisplayImageUrl } from '@/utils/imageUtils'
 
 // 国际化
 const { t } = useI18n()
@@ -64,10 +65,7 @@ function getPersonImage() {
   } else {
     return personIcon
   }
-  // 使用图片缓存
-  if (globalSettings.GLOBAL_IMAGE_CACHE && url)
-    return `${import.meta.env.VITE_API_BASE_URL}system/cache/image?url=${encodeURIComponent(url)}`
-  return url
+  return getDisplayImageUrl(url, globalSettings.GLOBAL_IMAGE_CACHE)
 }
 
 // 将别名数组拆分为、分隔的字符串