fix un-closed html error

modules/utils.py

@@ -183,7 +183,7 @@ def convert_mdtext(md_text):
     non_code_parts = code_block_pattern.split(md_text)[::2]
 
     result = []
-    raw = f'<div class="raw-message hideM">{html.escape(md_text)}</span>'
+    raw = f'<div class="raw-message hideM">{html.escape(md_text)}</div>'
     for non_code, code in zip(non_code_parts, code_blocks + [""]):
         if non_code.strip():
             non_code = normalize_markdown(non_code)