From e790cdbd2e4af46e08472638f6178d94e1ba9b91 Mon Sep 17 00:00:00 2001
From: sliverp <bijin.ink>
Date: Fri, 30 Jan 2026 14:16:22 +0800
Subject: [PATCH] =?UTF-8?q?feat:=20=E5=A2=9E=E5=8A=A0=E6=9C=AC=E5=9C=B0?=
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---
 src/gateway.ts | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/gateway.ts b/src/gateway.ts
index 75a6f5e..47eaef4 100644
--- a/src/gateway.ts
+++ b/src/gateway.ts
@@ -232,7 +232,15 @@ export async function startGateway(ctx: GatewayContext): Promise<void> {
         const envelopeOptions = pluginRuntime.channel.reply.resolveEnvelopeFormatOptions(cfg);
 
         // 组装消息体，添加系统提示词
-        const builtinPrompt = "由于平台限制，你的回复中不可以包含任何URL";
+        const builtinPrompt = `由于平台限制，你的回复中不可以包含任何URL。
+
+【发送图片】
+如果需要发送本地图片文件给用户，请在回复中使用以下格式：
+MEDIA:/绝对路径/图片文件.png
+
+例如：MEDIA:/home/ubuntu/clawd/downloads/image.png
+
+系统会自动将该路径的图片发送给用户。支持 png、jpg、gif、webp 格式。`;
         const systemPrompts = [builtinPrompt];
         if (account.systemPrompt) {
           systemPrompts.push(account.systemPrompt);