diff --git a/routes/routes.js b/routes/routes.js
index ca2d854ef14d5671a589c675b6d26ab94a6e4ea8..7f7598d8bfbf8d08f98e173d88a000d609a763e4 100644
--- a/routes/routes.js
+++ b/routes/routes.js
@@ -5,6 +5,7 @@ const methods = require('./methods');
 // pwd encryption
 const bcrypt = require('bcryptjs');
 const saltRounds = 10;
+const salt = 64; // salt length
 // forgot pwd
 const async = require('async');
 const crypto = require('crypto');