diff --git a/diff.txt b/diff.txt
new file mode 100644
index 0000000..98ee805
--- /dev/null
+++ b/diff.txt
@@ -0,0 +1,64 @@
+diff --git a/bin.js b/bin.js
+index 9b7f39b..86ccdee 100644
+--- a/bin.js
++++ b/bin.js
+@@ -4,6 +4,7 @@ var program     = require('commander'),
+     proxy       = require("./proxy.js"),
+     color       = require('colorful'),
+     fs          = require("fs"),
++    path        = require("path"),
+     packageInfo = require("./package.json");
+ 
+ program
+@@ -33,15 +34,16 @@ if(program.clear){
+     var ruleModule;
+ 
+     if(program.rule){
+-        if(fs.existsSync(program.rule)){
+-            try{ //for abs path
++        var ruleFilePath = path.join(process.cwd(),program.rule);
++        try{
++            if(fs.existsSync(ruleFilePath)){
+                 ruleModule = require(program.rule);
+-            }catch(e){ //for relative path
+-                ruleModule = require(process.cwd() + '/' + program.rule.replace(/^\.\//,''));
++                console.log("rule file loaded :" + ruleFilePath);
++            }else{
++                console.log(color.red("can not find rule file"));
+             }
+-            console.log(color.green("rule file loaded"));
+-        }else{
+-            console.log(color.red("can not find rule file"));
++        }catch(e){
++            console.log("failed to load rule file :" + e.toString());
+         }
+     }
+ 
+diff --git a/lib/requestHandler.js b/lib/requestHandler.js
+index 37f19d4..620b7f9 100644
+--- a/lib/requestHandler.js
++++ b/lib/requestHandler.js
+@@ -364,7 +364,7 @@ function setRules(newRule){
+         }
+         if('function' == typeof(userRule.summary)){
+             functions.push(function(cb){
+-                userRule.summary();
++                console.log(userRule.summary());
+                 cb(null);
+             });
+         }
+diff --git a/rule_sample/README.md b/rule_sample/README.md
+index 7a8eabb..7c29ff5 100644
+--- a/rule_sample/README.md
++++ b/rule_sample/README.md
+@@ -27,6 +27,9 @@ The following are sample rules.
+ * rule_replace_response_status_code.js
+     * replace server's status code
+     * 改变服务端响应的http状态码
++* rule_reverse_proxy.js
++    * assign a specific ip address for request
++    * 为请求绑定目标ip
+ * rule_use_local_data.js
+     * map some requests to local file
+     * 把图片响应映射到本地
+\ No newline at end of file
diff --git a/rule_sample/README.md b/rule_sample/README.md
index 7c29ff5..7380b37 100644
--- a/rule_sample/README.md
+++ b/rule_sample/README.md
@@ -9,9 +9,6 @@ The following are sample rules.
 * rule_allow_CORS.js
     * add CORS headers to allow cross-domain ajax request
     * 为ajax请求增加跨域头
-* rule_assign_ip_address.js
-    * assign an ip address to a specified domain
-    * 为某个域名指定ip地址
 * rule_intercept_some_https_requests.js
     * intercept https requests toward github.com and append some data
     * 截获github.com的https请求，再在最后加点文字
diff --git a/rule_sample/rule_assign_ip_address.js b/rule_sample/rule_assign_ip_address.js
deleted file mode 100644
index e71c973..0000000
--- a/rule_sample/rule_assign_ip_address.js
+++ /dev/null
@@ -1,13 +0,0 @@
-//sample : assign 127.0.0.1 to www.taobao.com
-
-module.exports = {
-
-    replaceRequestOption : function(req,option){
-        if(option.hostname == "www.taobao.com"){
-        	option.hostname = "127.0.0.1";
-        }
-
-        return option;
-    }
-
-};
\ No newline at end of file