feat: 增强消息处理逻辑，支持引用嵌套消息解析

astrbot/core/platform/sources/gewechat/client.py

@@ -252,6 +252,9 @@ class SimpleGewechatClient:
                 abm_data = data_parser.parse_mutil_49()
                 if abm_data:
                     abm.message.append(abm_data)
+                    abm.message_str = abm_data.message_str
+                    abm.message.append(Plain(abm_data.message_str))
+                    abm.message[-2].message_str = abm.message[-2].sender_str
             case 51:  # 帐号消息同步?
                 logger.info("消息类型(51)：帐号消息同步？")
             case 10000:  # 被踢出群聊/更换群主/修改群名称

astrbot/core/platform/sources/gewechat/xml_data_parser.py

@@ -57,7 +57,20 @@ class GeweDataParser:
                 if displayname is not None:
                     replied_nickname = displayname.text
                 if refermsg_content is not None:
-                    replied_content = refermsg_content.text
+                    # 处理引用嵌套，包括嵌套公众号消息
+                    if refermsg_content.text.startswith("<msg>") or refermsg_content.text.startswith("<?xml"):
+                        try:
+                            logger.debug("gewechat: Reference message is nested")
+                            refer_root = eT.fromstring(refermsg_content.text)
+                            refermsg_content_title = refer_root.find("appmsg").find("title")
+                            logger.debug(f"gewechat: Reference message nesting: {refermsg_content_title.text}")
+                            replied_content = refermsg_content_title.text
+                        except Exception as e:
+                            logger.error(f"gewechat: nested failed, {e}")
+                            # 处理异常情况
+                            replied_content = refermsg_content.text
+                    else:
+                        replied_content = refermsg_content.text
 
                 # 提取引用者说的内容
             title = root.find(".//appmsg/title")