diff --git a/lib/bot.js b/lib/bot.js
index 79968754..4bb99cb0 100644
--- a/lib/bot.js
+++ b/lib/bot.js
@@ -253,7 +253,15 @@ export default class Yunzai extends EventEmitter {
         if (Buffer.isBuffer(data))
           return String(data)
     }
-    return JSON.stringify(data)
+
+    try {
+      return JSON.stringify(data)
+    } catch (err) {
+      if (typeof data.toString == "function")
+        return String(data)
+      else
+        return "[object null]"
+    }
   }
 
   Loging(data) {
@@ -353,15 +361,23 @@ export default class Yunzai extends EventEmitter {
 
   async exec(cmd, opts = {}) {
     return new Promise(resolve => {
-      this.makeLog("mark", `[执行命令] ${logger.blue(cmd)}`)
+      if (!opts.quiet)
+        this.makeLog("mark", `[执行命令] ${logger.blue(cmd)}`)
       exec(cmd, opts, (error, stdout, stderr) => {
         resolve({ error, stdout, stderr })
+        if (opts.quiet) return
         this.makeLog("mark", `[执行命令完成] ${logger.blue(cmd)}${stdout?`\n${String(stdout).trim()}`:""}${stderr?logger.red(`\n${String(stderr).trim()}`):""}`)
         if (error) this.makeLog("error", `[执行命令错误] ${logger.blue(cmd)}\n${logger.red(this.Loging(error).trim())}`)
       })
     })
   }
 
+  async cmdPath(cmd, opts = {}) {
+    const ret = await this.exec(`${process.platform == "win32" ? "where" : "command -v"} "${cmd}"`, { quiet: true, ...opts })
+    if (ret.error) return false
+    return ret.stdout.trim()
+  }
+
   makeLog(level, msg, id) {
     const log = []
     if (id) log.push(logger.blue(`[${id}]`))
diff --git a/lib/plugins/stdin.js b/lib/plugins/stdin.js
index 9c9e1f48..2c7955d8 100644
--- a/lib/plugins/stdin.js
+++ b/lib/plugins/stdin.js
@@ -1,12 +1,14 @@
 import readline from "node:readline/promises"
 import fs from "node:fs/promises"
 import path from "node:path"
+import { spawn } from "node:child_process"
 
 Bot.adapter.push(new class stdinAdapter {
   constructor() {
     this.id = "stdin"
     this.name = "标准输入"
     this.path = "data/stdin/"
+    this.catimg = () => {}
   }
 
   async sendMsg(msg) {
@@ -32,6 +34,7 @@ Bot.adapter.push(new class stdinAdapter {
           Bot.makeLog("info", `发送文本：${i.text}`, this.id)
           break
         case "image":
+          await this.catimg(file.path)
           Bot.makeLog("info", `发送图片：${file.url}\n文件已保存到：${logger.cyan(file.path)}`, this.id)
           break
         case "record":
@@ -100,7 +103,14 @@ Bot.adapter.push(new class stdinAdapter {
     Bot.em(`${data.post_type}.${data.message_type}`, data)
   }
 
+  async loadCatimg() {
+    this.catimgPath = await Bot.cmdPath("catimg")
+    if (this.catimgPath)
+      this.catimg = file => new Promise(resolve => spawn(this.catimgPath, [file], { stdio:"inherit" }).on("close", resolve))
+  }
+
   async load() {
+    this.loadCatimg()
     await Bot.mkdir(this.path)
     Bot[this.id] = {
       adapter: this,