diff --git a/Spider.js b/Spider.js
index e2698fb..8eeacd0 100644
--- a/Spider.js
+++ b/Spider.js
@@ -15,7 +15,7 @@ function Spider(userPageUrl, socket) {
         .then(function(myFriends) {
             return Promise.map(myFriends, function(myFriend) {
                 return getUser(myFriend.url);
-            }, { concurrency: 5 });
+            }, { concurrency: 3 });
         })
         .then(function(myFriends) {
             var input = [];
@@ -30,7 +30,7 @@ function Spider(userPageUrl, socket) {
             console.log(myFriends);
             return Promise.map(myFriends, function(myFriend) {
                 return searchSameFriend(myFriend, myFriends, socket);
-            }, { concurrency: 5 });
+            }, { concurrency: 3 });
         })
         .then(function(result) {
             var data = result;
diff --git a/config.js b/config.js
index ba7bbc4..15165fe 100644
--- a/config.js
+++ b/config.js
@@ -1,3 +1,3 @@
 module.exports = {
-    cookie:'_za=c392e6c0-5bdb-4b01-a06d-84ffb9836a61; _ga=GA1.2.378714859.1433690880; _xsrf=44f011b01f29816fc257fae1770a9ece; q_c1=fb660ee5c15b4c97ae2b4b075373e5b6|1457189679000|1433392648000; udid="AIAAQIMSlAmPTohRXib_bmZtsg_JbPW-tC8=|1457502059"; cap_id="OTFiYmZkNjljYjA3NDc5Y2JhNzI1Yjc3YzMxMGZjNmU=|1458100835|fc17d10a2143b6851b98f66b367e7dfb0e16555f"; z_c0="QUFBQTFuTWRBQUFYQUFBQVlRSlZUV2RuRUZlZTh0amgwVjNEaktBVmhZNnNsQXdEa3FqUVVnPT0=|1458100839|d8b64b8c0f8ceb43765d44cb909e0367bcefec0c"; n_c=1; __utmt=1; __utma=51854390.1008998230.1458040825.1458107632.1458110980.7; __utmb=51854390.10.10.1458110980; __utmc=51854390; __utmz=51854390.1458102246.5.3.utmcsr=baidu|utmccn=(organic)|utmcmd=organic; __utmv=51854390.100-1|2=registration_date=20130824=1^3=entry_date=20130824=1',
+    cookie:'',
 }
\ No newline at end of file
diff --git a/fetchFollwerOrFollwee.js b/fetchFollwerOrFollwee.js
index 615dcfd..e7890ba 100644
--- a/fetchFollwerOrFollwee.js
+++ b/fetchFollwerOrFollwee.js
@@ -12,7 +12,7 @@ var fetchFollwerOrFollwee = function(options, socket) {
     }
     return Promise.map(offsets, function(offset) {
         return getFollwerOrFollwee(user, offset, isFollowees, socket);
-    }, { concurrency: 5 }).then(function(array) {
+    }, { concurrency: 2 }).then(function(array) {
         var result = [];
         array.forEach(function(item) {
             result = result.concat(item);
@@ -41,7 +41,7 @@ function getFollwerOrFollwee(user, offset, isFollowees, socket) {
                 'cache-control': 'no-cache',
                 'x-requested-with': 'XMLHttpRequest'
             },
-            timeout: 3000
+            timeout: 1500
         }, function(err, res, body) {
             var tmp = [];
             try {