'flx'

@@ -14,7 +14,7 @@ const _createClient = (server) => new Promise((resolve, reject) => {
 
     setTimeout(() => {
         !isServerStart && reject({message: 'Failed to authenticate with the server.', code: -1});
-    }, 5000);
+    }, 8000);
 
     client.connect();
 });
@@ -32,18 +32,16 @@ const _exists = (client, path) => new Promise((resolve, reject) => {
 
 const exists = (server, path) => new Promise((resolve, reject) => {
     return _createClient(server).then(client => {
-        _exists(client, path).then(stat => {
+        return _exists(client, path).then(stat => {
             client.close();
             resolve(stat);
         });
-    }).catch(state => {
-        reject(state);
-    });
+    }).catch(reject);
 });
 
 const creator = (server, path, value, iscover) => new Promise((resolve, reject) => {
     return _createClient(server).then(client => {
-        _exists(client, path).then(stat => {
+        return _exists(client, path).then(stat => {
             if (stat && iscover) {
                 client.setData(path, new Buffer(value.toString()), function(err, data, stat) {
                     client.close();
@@ -51,7 +49,6 @@ const creator = (server, path, value, iscover) => new Promise((resolve, reject)
                         console.log('update path %s data error');
                         resolve(false);
                     } else {
-                        console.log('path %s data change to', path, value);
                         resolve(true);
                     }
                 });
@@ -71,14 +68,12 @@ const creator = (server, path, value, iscover) => new Promise((resolve, reject)
                 });
             }
         });
-    }).catch(state => {
-        reject(state);
-    });
+    }).catch(reject);
 });
 
 const getter = (server, path) => new Promise((resolve, reject) => {
     return _createClient(server).then(client => {
-        _exists(client, path).then(stat => {
+        return _exists(client, path).then(stat => {
             if (stat) {
                 client.getData(
                     path,
@@ -98,14 +93,12 @@ const getter = (server, path) => new Promise((resolve, reject) => {
                 resolve();
             }
         });
-    }).catch(state => {
-        reject(state);
-    });
+    }).catch(reject);
 });
 
 const setter = (server, path, value) => new Promise((resolve, reject) => {
     return _createClient(server).then(client => {
-        _exists(client, path).then(stat => {
+        return _exists(client, path).then(stat => {
             if (stat) {
                 client.setData(path, new Buffer(val.toString()), function(err, data, stat) {
                     client.close();
@@ -121,15 +114,13 @@ const setter = (server, path, value) => new Promise((resolve, reject) => {
                 resolve(false);
             }
         });
-    }).catch(state => {
-        reject(state);
-    });
+    }).catch(reject);
 });
 
 
 const remove = (server, path) => new Promise((resolve, reject) => {
     return _createClient(server).then(client => {
-        _exists(client, path).then(stat => {
+        return _exists(client, path).then(stat => {
             if (stat) {
                 client.remove(path, function(err) {
                     client.close();
@@ -140,9 +131,7 @@ const remove = (server, path) => new Promise((resolve, reject) => {
                 resolve(false);
             }
         });
-    }).catch(state => {
-        reject(state);
-    });
+    }).catch(reject);
 });