Merge branch 'hotfix/loginCode'

@@ -10,8 +10,8 @@ const CAPTCHA = 'yoho4946abcdef#$%&!@';
 
 // 对比函数
 const _mustEqual = (req) => {
-    return req.body.verifyCode === req.session.captcha ||
-        req.body.verifyCode === CAPTCHA;
+    return req.session.captcha && (req.body.verifyCode === req.session.captcha ||
+        req.body.verifyCode === CAPTCHA);
 };
 
 // 中间件

@@ -63,7 +63,7 @@
     "uuid": "^2.0.2",
     "yoho-express-session": "^2.0.0",
     "yoho-node-lib": "0.2.8",
-    "yoho-zookeeper": "^1.0.6"
+    "yoho-zookeeper": "^1.0.8"
   },
   "devDependencies": {
     "autoprefixer": "^6.3.6",