diff --git a/packages/builder/src/image/blurhash.ts b/packages/builder/src/image/blurhash.ts
index 8bfe89aa..aee11754 100644
--- a/packages/builder/src/image/blurhash.ts
+++ b/packages/builder/src/image/blurhash.ts
@@ -4,11 +4,14 @@ import { rgbaToThumbHash } from 'thumbhash'
 import { logger } from '../logger/index.js'
 
 // 生成 blurhash（基于缩略图数据，保持长宽比）
-export async function generateBlurhash(thumbnailBuffer: Buffer): Promise<Uint8Array | null> {
+export async function generateBlurhash(
+  thumbnailBuffer: Buffer,
+  limitInputPixels?: number | boolean,
+): Promise<Uint8Array | null> {
   try {
     // 复用缩略图的 Sharp 实例来生成 blurhash
     // 确保转换为 raw RGBA 格式
-    const { data, info } = await sharp(thumbnailBuffer)
+    const { data, info } = await sharp(thumbnailBuffer, { limitInputPixels })
       .resize(100, 100, { fit: 'inside' })
       .raw()
       .ensureAlpha()
diff --git a/packages/builder/src/image/thumbnail.ts b/packages/builder/src/image/thumbnail.ts
index 561f8ce9..f439649b 100644
--- a/packages/builder/src/image/thumbnail.ts
+++ b/packages/builder/src/image/thumbnail.ts
@@ -79,7 +79,11 @@ async function processExistingThumbnail(photoId: string): Promise<ThumbnailResul
 }
 
 // 生成新的缩略图
-async function generateNewThumbnail(imageBuffer: Buffer, photoId: string): Promise<ThumbnailResult> {
+async function generateNewThumbnail(
+  imageBuffer: Buffer,
+  photoId: string,
+  limitInputPixels?: number | boolean,
+): Promise<ThumbnailResult> {
   const { thumbnailPath, thumbnailUrl } = getThumbnailPaths(photoId)
 
   const log = getGlobalLoggers().thumbnail
@@ -88,7 +92,7 @@ async function generateNewThumbnail(imageBuffer: Buffer, photoId: string): Promi
 
   try {
     // 创建 Sharp 实例，复用于缩略图和 blurhash 生成
-    const sharpInstance = sharp(imageBuffer).rotate() // 自动根据 EXIF 旋转
+    const sharpInstance = sharp(imageBuffer, { limitInputPixels }).rotate() // 自动根据 EXIF 旋转
 
     // 生成缩略图
     const thumbnailBuffer = await sharpInstance
@@ -122,6 +126,7 @@ export async function generateThumbnailAndBlurhash(
   imageBuffer: Buffer,
   photoId: string,
   forceRegenerate = false,
+  limitInputPixels?: number | boolean,
 ): Promise<ThumbnailResult> {
   const thumbnailLog = getGlobalLoggers().thumbnail
 
@@ -139,7 +144,7 @@ export async function generateThumbnailAndBlurhash(
     }
 
     // 生成新的缩略图
-    return await generateNewThumbnail(imageBuffer, photoId)
+    return await generateNewThumbnail(imageBuffer, photoId, limitInputPixels)
   } catch (error) {
     thumbnailLog.error(`处理失败：${photoId}`, error)
     return createFailureResult()
diff --git a/packages/builder/src/photo/data-processors.ts b/packages/builder/src/photo/data-processors.ts
index 181c8520..6ee429f9 100644
--- a/packages/builder/src/photo/data-processors.ts
+++ b/packages/builder/src/photo/data-processors.ts
@@ -10,6 +10,7 @@ import { extractExifData } from '../image/exif.js'
 import { calculateHistogramAndAnalyzeTone } from '../image/histogram.js'
 import { generateThumbnailAndBlurhash, thumbnailExists } from '../image/thumbnail.js'
 import { workdir } from '../path.js'
+import { getPhotoExecutionContext } from './execution-context.js'
 import { getGlobalLoggers } from './logger-adapter.js'
 import type { PhotoProcessorOptions } from './processor.js'
 
@@ -30,6 +31,8 @@ export async function processThumbnailAndBlurhash(
   options: PhotoProcessorOptions,
 ): Promise<ThumbnailResult> {
   const loggers = getGlobalLoggers()
+  const { builder } = getPhotoExecutionContext()
+  const { limitInputPixels } = builder.getConfig().system.processing
 
   // 检查是否可以复用现有数据
   if (
@@ -62,6 +65,7 @@ export async function processThumbnailAndBlurhash(
     imageBuffer,
     photoId,
     options.isForceMode || options.isForceThumbnails,
+    limitInputPixels,
   )
 
   return {
diff --git a/packages/builder/src/photo/image-pipeline.ts b/packages/builder/src/photo/image-pipeline.ts
index 865019b4..26a766de 100644
--- a/packages/builder/src/photo/image-pipeline.ts
+++ b/packages/builder/src/photo/image-pipeline.ts
@@ -83,10 +83,12 @@ export async function preprocessImage(
  */
 export async function processImageWithSharp(imageBuffer: Buffer, photoKey: string): Promise<ProcessedImageData | null> {
   const loggers = getGlobalLoggers()
+  const { builder } = getPhotoExecutionContext()
+  const { limitInputPixels } = builder.getConfig().system.processing
 
   try {
     // 创建 Sharp 实例，复用于多个操作
-    let sharpInstance = sharp(imageBuffer)
+    let sharpInstance = sharp(imageBuffer, { limitInputPixels })
     let processedBuffer = imageBuffer
 
     // 处理 BMP
diff --git a/packages/builder/src/types/config.ts b/packages/builder/src/types/config.ts
index 477648dd..0188676a 100644
--- a/packages/builder/src/types/config.ts
+++ b/packages/builder/src/types/config.ts
@@ -20,6 +20,14 @@ export interface SystemProcessingSettings {
   enableLivePhotoDetection: boolean
   supportedFormats?: Set<string>
   digestSuffixLength?: number
+  /**
+   * Do not process input images where the number of pixels (width x height) exceeds this limit.
+   * - `number`: An integral Number of pixels as the limit
+   * - `false` or `0`: Remove limit entirely
+   * - `true` or `undefined`: Use sharp's default limit of 268402689 (0x3FFF x 0x3FFF)
+   * @default undefined (uses sharp's default: 268402689)
+   */
+  limitInputPixels?: number | boolean
 }
 
 export interface SystemObservabilitySettings {