diff --git a/History.md b/History.md
index dc39684..9378c5e 100644
--- a/History.md
+++ b/History.md
@@ -1,3 +1,8 @@
+1.1.0 / 2018-06-29
+==================
+  * add Number.parse
+
+
 1.0.1 / 2018-05-25
 ==================
   * delete global extends
diff --git a/Readme.md b/Readme.md
index d850b1f..72aba59 100644
--- a/Readme.md
+++ b/Readme.md
@@ -6,38 +6,39 @@
 
 
 + Obejct
-    * empty()
-
+  * empty()
 
 + Obejct.prototype
-    * merge()
+  * merge()
 
 
 + Array.prototype
-    * includes()
+  * includes()
 
 
 
 + Date
-    * isDate()
+  * isDate()
 
 
 + Date.prototype
-    * getFullWeek()
-    * getWeek()
-    * format()
+  * getFullWeek()
+  * getWeek()
+  * format()
 
 
 + String.prototype
-    * splice()
-    * htmlspecialchars()
-    * tohtml()
-    * xss()
-    * escape()
-    * padStart()
-    * padEnd()
+  * splice()
+  * htmlspecialchars()
+  * tohtml()
+  * xss()
+  * escape()
+  * padStart()
+  * padEnd()
 
 
++ Number
+  * parse()
 
     
 
diff --git a/index.js b/index.js
index 824980e..0d90b89 100644
--- a/index.js
+++ b/index.js
@@ -10,5 +10,6 @@
 require('./lib/object')
 require('./lib/array')
 require('./lib/string')
+require('./lib/number')
 require('./lib/date')
 require('./lib/promise')
diff --git a/lib/number.js b/lib/number.js
new file mode 100644
index 0000000..a51bad1
--- /dev/null
+++ b/lib/number.js
@@ -0,0 +1,32 @@
+/**
+ *
+ * @authors yutent (yutent@doui.cc)
+ * @date    2018-06-29 19:29:19
+ * @version $Id$
+ */
+'use strict'
+
+// 简单的数字处理
+// 将安全范围内的数字字符串转为数字类型
+// 否则转为字符串类型
+if (!Number.parse) {
+  Object.defineProperty(Number, 'parse', {
+    value: function(val) {
+      val += ''
+      if (val.startsWith(0) && !val.startsWith('0.')) {
+        return val
+      } else {
+        if (isFinite(val)) {
+          if (
+            val >= Number.MIN_SAFE_INTEGER &&
+            val <= Number.MAX_SAFE_INTEGER
+          ) {
+            val = +val
+          }
+        }
+        return val
+      }
+    },
+    enumerable: false
+  })
+}
diff --git a/package.json b/package.json
index cd68934..c418c31 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "es.shim",
-  "version": "1.0.1",
+  "version": "1.1.0",
   "description": "Some shim api that let you can use in all node.js environment",
   "keyworks": [
     "es5",