From fe06fc85d3324b13518c8d44977dcd5ac19f9bbf Mon Sep 17 00:00:00 2001
From: Cheng Liangyu <clyfish@gmail.com>
Date: Mon, 1 Dec 2014 13:16:44 +0800
Subject: fix base54

---
 lib/scope.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/scope.js b/lib/scope.js
index 6f29921f..d252d535 100644
--- a/lib/scope.js
+++ b/lib/scope.js
@@ -471,7 +471,9 @@ var base54 = (function() {
     base54.freq = function(){ return frequency };
     function base54(num) {
         var ret = "", base = 54;
+        num++;
         do {
+            num--;
             ret += String.fromCharCode(chars[num % base]);
             num = Math.floor(num / base);
             base = 64;
-- 
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