输出加个判断：res不为空，才输出信息

client/index.js

@@ -35,7 +35,7 @@ exports.addUsers = function(users){
   while(users.length > 0){
     var tmp = users.length > 50? users.splice(0, 50) : users.splice(0, users.length);
     client.post('/api/users',  tmp, function(err, req, res, obj) {
-      logger.info('%d -> %j', res.statusCode, res.headers);
+      if (res)logger.info('%d -> %j', res.statusCode, res.headers);
       logger.info('%j', obj);
     });
   }
@@ -45,7 +45,7 @@ exports.addBranchs = function(branchs){
     while(branchs.length > 0){
     var tmp = branchs.length > 50? branchs.splice(0, 50) : branchs.splice(0, branchs.length);
     client.post('/api/branchs',  tmp, function(err, req, res, obj) {
-      logger.info('%d -> %j', res.statusCode, res.headers);
+      if (res)logger.info('%d -> %j', res.statusCode, res.headers);
       logger.info('%j', obj);
     });
   }
@@ -55,7 +55,7 @@ exports.addAddrGroup = function(addrGroups){
   while(addrGroups.length > 0){
     var tmp = addrGroups.length > 50? addrGroups.splice(0, 50) : addrGroups.splice(0, addrGroups.length);
     client.post('/api/addrGroup',  tmp, function(err, req, res, obj) {
-      logger.info('%d -> %j', res.statusCode, res.headers);
+      if (res)logger.info('%d -> %j', res.statusCode, res.headers);
       logger.info('%j', obj);
     });
   }
@@ -65,7 +65,7 @@ exports.addAddrGroupMember = function(addrGroupMembers, serverId){
   while(addrGroupMembers.length > 0){
     var tmp = addrGroupMembers.length > 50? addrGroupMembers.splice(0, 50) : addrGroupMembers.splice(0, addrGroupMembers.length);
     client.post('/api/addrGroupMember/' + serverId,  tmp, function(err, req, res, obj) {
-      logger.info('%d -> %j', res.statusCode, res.headers);
+      if (res)logger.info('%d -> %j', res.statusCode, res.headers);
       logger.info('%j', obj);
     });
   }