diff --git a/lib/rule_default.js b/lib/rule_default.js
index 5470900..ccccad9 100644
--- a/lib/rule_default.js
+++ b/lib/rule_default.js
@@ -14,7 +14,7 @@ function saveMapConfig(content,cb){
     new Promise(function(resolve,reject){
         var anyproxyHome = utils.getAnyProxyHome(),
             mapCfgPath   = path.join(anyproxyHome,configFile);
-        
+
         if(typeof content == "object"){
             content = JSON.stringify(content);
         }
@@ -74,7 +74,7 @@ setTimeout(function(){
 
 module.exports = {
     summary:function(){
-        var tip = "the default rule for AnyProxy which supports CORS.";
+        var tip = "the default rule for AnyProxy.";
         if(!isRootCAFileExists){
             tip += "\nRoot CA does not exist, will not intercept any https requests.";
         }
@@ -83,27 +83,21 @@ module.exports = {
 
     shouldUseLocalResponse : function(req,reqBody){
         //intercept all options request
-        if(req.method == "OPTIONS"){
-            return true;
-        }else{
-            var simpleUrl = (req.headers.host || "") + (req.url || "");
-            mapConfig.map(function(item){
-                var key = item.keyword;
-                if(simpleUrl.indexOf(key) >= 0){
-                    req.anyproxy_map_local = item.local;
-                    return false;
-                }
-            });
+        var simpleUrl = (req.headers.host || "") + (req.url || "");
+        mapConfig.map(function(item){
+            var key = item.keyword;
+            if(simpleUrl.indexOf(key) >= 0){
+                req.anyproxy_map_local = item.local;
+                return false;
+            }
+        });
 
 
-            return !!req.anyproxy_map_local;
-        }
+        return !!req.anyproxy_map_local;
     },
 
     dealLocalResponse : function(req,reqBody,callback){
-        if(req.method == "OPTIONS"){
-            callback(200,mergeCORSHeader(req.headers),"");
-        }else if(req.anyproxy_map_local){
+        if(req.anyproxy_map_local){
             fs.readFile(req.anyproxy_map_local,function(err,buffer){
                 if(err){
                     callback(200, {}, "[AnyProxy failed to load local file] " + err);
@@ -127,11 +121,10 @@ module.exports = {
     },
 
     replaceResponseHeader: function(req,res,header){
-        return mergeCORSHeader(req.headers, header);
     },
 
     // Deprecated
-    // replaceServerResData: function(req,res,serverResData){ 
+    // replaceServerResData: function(req,res,serverResData){
     //     return serverResData;
     // },
 
@@ -190,21 +183,4 @@ module.exports = {
             // }
         ];
     }
-
-};
-
-function mergeCORSHeader(reqHeader,originHeader){
-    var targetObj = originHeader || {};
-
-    delete targetObj["Access-Control-Allow-Credentials"];
-    delete targetObj["Access-Control-Allow-Origin"];
-    delete targetObj["Access-Control-Allow-Methods"];
-    delete targetObj["Access-Control-Allow-Headers"];
-
-    targetObj["access-control-allow-credentials"] = "true";
-    targetObj["access-control-allow-origin"]      = reqHeader['origin'] || reqHeader['Origin'] || "-___-||";
-    targetObj["access-control-allow-methods"]     = "GET, POST, PUT";
-    targetObj["access-control-allow-headers"]     = reqHeader['access-control-request-headers'] || "-___-||";
-
-    return targetObj;
-}
\ No newline at end of file
+};
\ No newline at end of file