fix base54

2014-12-01 13:16:44 +08:00
parent f36a1eaa8b
commit fe06fc85d3
1 changed files with 2 additions and 0 deletions
--- 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;