diff --git a/Readme.md b/Readme.md
index a4305c7..b4d6ed1 100644
--- a/Readme.md
+++ b/Readme.md
@@ -26,8 +26,8 @@ Chart(ctx).Pie(
         }
     ]
   , {
-      scaleShowValues: true,
-      scaleFontSize: 24
+        scaleShowValues: true
+      , scaleFontSize: 24
     }
 );
 
@@ -75,22 +75,22 @@ The MIT License (MIT)
 Copyright (c) 2012 cfddream Cai cfddream@gmail.com
 
 Permission is hereby granted, free of charge, to any person obtaining
-a copy of this software and associated documentation files (the 
-'Software'), to deal in the Software without restriction, including 
-without limitation the rights to use, copy, modify, merge, publish, 
-distribute, sublicense, and/or sell copies of the Software, and to 
-permit persons to whom the Software is furnished to do so, subject to 
+a copy of this software and associated documentation files (the
+'Software'), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
 the following conditions:
 
-The above copyright notice and this permission notice shall be 
+The above copyright notice and this permission notice shall be
 included in all copies or substantial portions of the Software.
 
-THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, 
-EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 
-MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 
-IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 
-CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 
-TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
 SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 
 
diff --git a/examples/doughnut.json b/examples/doughnut.json
index fa74c72..6c9b20e 100644
--- a/examples/doughnut.json
+++ b/examples/doughnut.json
@@ -5,11 +5,11 @@
   },
   {
     "value": 50,
-    "color": "#E2EAE9"
+    "color": "#46BFBD"
   },
   {
     "value": 100,
-    "color": "#D4CCC5"
+    "color": "#FDB45C"
   },
   {
     "value": 40,
diff --git a/examples/pie.js b/examples/pie.js
index f9661fc..f43ebb4 100644
--- a/examples/pie.js
+++ b/examples/pie.js
@@ -1,5 +1,5 @@
 var Canvas = require('canvas')
-  , canvas = new Canvas(800, 800)
+  , canvas = new Canvas(900, 900)
   , ctx = canvas.getContext('2d')
   , Chart = require('../')
   , fs = require('fs')
diff --git a/examples/pie.json b/examples/pie.json
index fa74c72..d6b40d0 100644
--- a/examples/pie.json
+++ b/examples/pie.json
@@ -1,22 +1,14 @@
 [
   {
     "value": 30,
-    "color":"#F7464A"
+    "color":"#F38630"
   },
   {
     "value": 50,
-    "color": "#E2EAE9"
+    "color": "#E0E4CC"
   },
   {
     "value": 100,
-    "color": "#D4CCC5"
-  },
-  {
-    "value": 40,
-    "color": "#949FB1"
-  },
-  {
-    "value": 120,
-    "color": "#4D5360"
+    "color": "#69D2E7"
   }
 ]
diff --git a/lib/doughnut.js b/lib/doughnut.js
index 2f7fb57..fb0c2f6 100644
--- a/lib/doughnut.js
+++ b/lib/doughnut.js
@@ -51,7 +51,7 @@ proto.draw = function () {
     , segmentShowStroke = cfg.segmentShowStroke
     , segmentStrokeWidth = cfg.segmentStrokeWidth
     , segmentStrokeColor = cfg.segmentStrokeColor
-    , cumulativeAngle = 0
+    , cumulativeAngle = - PI / 2
     , segmentAngle = 0
     , i = 0
     , d;
diff --git a/lib/pie.js b/lib/pie.js
index 9fb39b4..c21aa45 100644
--- a/lib/pie.js
+++ b/lib/pie.js
@@ -47,7 +47,7 @@ proto.draw = function () {
     , segmentShowStroke = cfg.segmentShowStroke
     , segmentStrokeWidth = cfg.segmentStrokeWidth
     , segmentStrokeColor = cfg.segmentStrokeColor
-    , cumulativeAngle = 0
+    , cumulativeAngle = - PI / 2
     , segmentAngle = 0
     , i = 0
     , d;
diff --git a/package.json b/package.json
index 4589c9f..a7b5cf5 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,8 @@
 {
   "name": "nchart",
-  "version": "0.1.1",
+  "version": "0.1.2",
   "description": "nChart for node.js inspired by Chart.js.",
-  "author": "cfddream@gmail.com",
+  "author": "FangDun Cai <cfddream@gmail.com>",
   "license": "MIT",
   "readmeFilename": "Readme.md",
   "keywords": [