:bug: bug fix

common/utils.js

@@ -2,7 +2,10 @@ const lexer = require('marked').lexer;
 const parser = require('marked').parser;
 
 function md2html(markdown) {
-  return parser(lexer(markdown));
+  if (markdown) {
+    return parser(lexer(markdown));
+  }
+  return markdown;
 }
 
 module.exports = {

routers/user.js

@@ -36,7 +36,7 @@ router.all('/:userPrefix', async (req, res, next) => {
   let message = {
     type: req.query.type || req.body.type || '0',
     title: req.query.title || req.body.title || '无标题',
-    description: req.query.description || req.body.description,
+    description: req.query.description || req.body.description || '无描述',
     content: req.query.content || req.body.content,
     email: req.query.email || req.body.email,
   };