change locals

@@ -23,7 +23,7 @@ function required(req, res, next) {
             };
 
             req.session.captcha = captcha;
-            req.app.locals.captcha = captcha;
+            res.app.locals.captcha = captcha;
         }
         next();
     }).catch(next);
@@ -62,7 +62,7 @@ const geeOnly = function(req, res, next) {
     };
 
     req.session.captcha = captcha;
-    req.app.locals.captcha = captcha;
+    res.app.locals.captcha = captcha;
 
     next();
 };