fix: add maxsplit=1 in wechatmp

channel/wechatmp/wechatmp_channel.py

@@ -223,7 +223,7 @@ class SubsribeAccountQuery():
                         channel.cache_dict.pop(cache_key)
                     else:
                         continue_text = "\n【未完待续，回复任意文字以继续】"
-                        splits = split_string_by_utf8_length(content, MAX_UTF8_LEN - len(continue_text.encode('utf-8')))
+                        splits = split_string_by_utf8_length(content, MAX_UTF8_LEN - len(continue_text.encode('utf-8')), max_split= 1)
                         reply_text = splits[0] + continue_text
                         channel.cache_dict[cache_key] = splits[1]
                 logger.info("[wechatmp] {}:{} Do send {}".format(web.ctx.env.get('REMOTE_ADDR'), web.ctx.env.get('REMOTE_PORT'), reply_text))