兼容当不正常输出md 的图片格式时,对图片的转义

dowmd.py

@@ -108,6 +108,6 @@ class dow_markdown(Plugin):
         return text
 
     def format_content(self, content):
-        content = re.sub(r"\!\[([^\]]+)\]\(([^)\\\s]+)\)", r"&分块&\2&分块&", content)
+        content = re.sub(r"\!\[([^\]]*)\]\(([^)\\\s]+)\)", r"&分块&\2&分块&", content)
         content = re.sub(r"\\n", "\n", content)
         return content