增加数据库连接错误提示

zhuweiyou · Jan 25, 2018 · 7e93b5e · 7e93b5e
1 parent c20d279
commit 7e93b5e
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/头脑王者/src/database/mongo.js b/头脑王者/src/database/mongo.js
@@ -6,5 +6,6 @@ const db = mongoose.connect('mongodb://localhost/tnwz', {
 })
 
 db.once('open', () => console.log('连接数据库成功'))
+db.on('error', err => console.error(err))
 
 module.exports = db