diff --git a/lib/Common/common.js b/lib/Common/common.js
index a8734725..c0eede50 100644
--- a/lib/Common/common.js
+++ b/lib/Common/common.js
@@ -245,12 +245,9 @@ global.isDir = function(p){
  * @param  {[type]}  obj [description]
  * @return {Boolean}     [description]
  */
+var numberReg = /^((\d*\.?\d*(?:e[+-]?\d*(?:\d?\.?|\.?\d?)\d*)?)|(0[0-7]+)|(0x[0-9a-f]+))$/i;
 global.isNumberString = function(obj){
-    var parseValue = parseFloat(obj);
-    if (isNaN(parseValue)) {
-        return false;
-    };
-    return (parseValue + "").length == (obj + "").length
+    return numberReg.test(obj);
 }
 /**
  * 判断是否是个promise