diff --git a/.npmrc b/.npmrc
new file mode 100644
index 0000000..e69de29
diff --git a/README.md b/README.md
index d53ae45..b66be82 100644
--- a/README.md
+++ b/README.md
@@ -72,7 +72,11 @@ pnpm i
 > 3. 使用vnc客户端连接至云桌面
 >
 >    右键Applications > Shells > Bash打开终端，然后进入Yunzai目录下运行node app即可。
+> 
+> 4. 执行pnpm i时，sharp安装失败
 >
+>     sharp不影响chatgpt聊天，仅影响Dalle2绘图功能。ubuntu可以执行`apt install libvips-dev`之后再`pnpm i`
+> 
 > 实测该方案资源占用低，运行稳定，基本1核2G的轻量云服务器就足够了。
 
 ---
diff --git a/package.json b/package.json
index 29ae2e5..2e352cf 100644
--- a/package.json
+++ b/package.json
@@ -13,8 +13,10 @@
     "puppeteer-extra-plugin-recaptcha": "^3.6.6",
     "puppeteer-extra-plugin-stealth": "^2.11.1",
     "random": "^4.1.0",
-    "sharp": "^0.31.3",
     "undici": "^5.19.1",
     "uuid": "^9.0.0"
+  },
+  "optionalDependencies": {
+    "sharp": "^0.31.3"
   }
 }
\ No newline at end of file
diff --git a/utils/dalle.js b/utils/dalle.js
index eb25eba..ccdc5c2 100644
--- a/utils/dalle.js
+++ b/utils/dalle.js
@@ -2,7 +2,7 @@ import { Configuration, OpenAIApi } from 'openai'
 import { Config } from './config.js'
 import fs from 'fs'
 import { mkdirs } from './common.js'
-import sharp from 'sharp'
+
 export async function createImage (prompt, n = 1, size = '512x512') {
   const configuration = new Configuration({
     apiKey: Config.apiKey
@@ -56,6 +56,13 @@ export async function imageVariation (imageUrl, n = 1, size = '512x512') {
 
 async function resizeAndCropImage (inputFilePath, outputFilePath, size = 512) {
   // Determine the maximum dimension of the input image
+  let sharp
+  try {
+    sharp = await import('sharp')
+  } catch (e) {
+    logger.error('sharp未安装，请执行 pnpm install sharp@0.31.3')
+    throw new Error('sharp未安装，请执行 pnpm install sharp@0.31.3')
+  }
   const metadata = await sharp(inputFilePath).metadata()
   const maxDimension = Math.max(metadata.width, metadata.height)
   logger.mark(`original picture size is ${metadata.width} x ${metadata.height}`)