From 8d2fd6217a938b1a90d1e95422b4bd15890a02a6 Mon Sep 17 00:00:00 2001
From: liuwei <liuwei@wdtrgf.com.cn>
Date: Mon, 29 Dec 2025 17:18:15 +0800
Subject: [PATCH] =?UTF-8?q?=E5=B0=9D=E8=AF=95=E4=BC=98=E5=8C=96=E6=9B=B4?=
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---
 db/message_storage.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/db/message_storage.py b/db/message_storage.py
index b72eaa4..fad374e 100644
--- a/db/message_storage.py
+++ b/db/message_storage.py
@@ -214,7 +214,8 @@ class MessageStorageDB(BaseDBOperator):
             sql = """
             UPDATE messages
             SET image_path = %s
-            WHERE message_id = %s
+            WHERE message_id = %s 
+            AND image_path IS NULL
             """
             params = (image_path, message_id)
             result = self.execute_update(sql, params)