diff --git a/pages_tool/ai-chat/ai-chat-message.vue b/pages_tool/ai-chat/ai-chat-message.vue
index bf9b73e..9a4ed29 100644
--- a/pages_tool/ai-chat/ai-chat-message.vue
+++ b/pages_tool/ai-chat/ai-chat-message.vue
@@ -4307,6 +4307,13 @@ _handleStreamError(msg) {
 
                 &.icon-like {
                   background-image: url("data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCAyNCAyNCIgZmlsbD0ibm9uZSIgc3Ryb2tlPSIjNjY2NjY2IiBzdHJva2Utd2lkdGg9IjEuOCIgc3Ryb2tlLWxpbmVjYXA9InJvdW5kIiBzdHJva2UtbGluZWpvaW49InJvdW5kIj48cGF0aCBkPSJNNyAxMXY4YTEgMSAwIDAgMSAtMSAxaC0yYTEgMSAwIDAgMSAtMSAtMXYtN2ExIDEgMCAwIDEgMSAtMWgzYTQgNCAwIDAgMCA0IC00di0xYTIgMiAwIDAgMSA0IDB2NWgzYTIgMiAwIDAgMSAyIDJsLTEgNWEyIDIgMCAwIDEgLTIgMmgtN2E0IDQgMCAwIDEgLTQgLTQiLz48L3N2Zz4=");
+
+                  /* 屏蔽全局 iconfont.css 的 .icon-like:before { content:"\e041" }，
+                     避免点赞图标额外渲染出一个心形/方框伪元素；此处不设置 content 值，
+                     只让 ::before 不显示 */
+                  &::before {
+                    display: none !important;
+                  }
                 }
 
                 &.icon-dislike {