add the detail info in README.md

README.md

@@ -1,2 +1,67 @@
 # SuperTestWithGulp
-Use gulp to run supertest scripts
+Use [Gulp](http://gulpjs.com/) to run [SuperTest](https://github.com/visionmedia/supertest) API testing scripts
+
+# Preview
+
+## You just need to  clone this repo,that's all.
+
+# Run
+
+* With command `gulp master`,you can see the result:
+
+```
+[15:28:55] Using gulpfile ~/Downloads/SuperTestWithGulp/gulpfile.js
+[15:28:55] Starting 'master'...
+[15:28:55] Finished 'master' after 24 ms
+You are in master
+
+
+  Test Demo.
+    ✓ Visit http://aimer1124.github.io/ (775ms)
+
+
+  1 passing (779ms)
+
+```
+* With command `gulp branch`,you can see the result about `branch` environment:
+
+```
+[15:30:34] Using gulpfile ~/Downloads/SuperTestWithGulp/gulpfile.js
+[15:30:34] Starting 'branch'...
+[15:30:34] Finished 'branch' after 22 ms
+You are in branch
+
+
+  Test Demo.
+    ✓ Visit http://aimer1124.github.io/2016/01/17/Tool-SuperTest/ (780ms)
+
+
+  1 passing (784ms)
+
+```
+# Enhance
+
+* Modify the visit url,you just need to modify the `url` property in `master.js` or `branch.js`
+* Add more environment,you just need to `three` steps:
+ * add the gulp task in `gulpfile.js` like this
+
+```
+gulp.task('newBranch', function() {
+	require('./config/endpoints')('newBranch');
+	runTest();
+});
+
+```
+ * add the host config in `endpoints.js`
+
+```
+...
+var host = {
+    master: require('./master.js'),
+    branch: require('./branch.js'),
+    newBranch: require('./newBranch.js')
+};
+...
+```
+ * add one javascript file named `newBranch` under `config` folder,and config this file like others
+