获取日期缓存bug

@@ -233,7 +233,7 @@ exports.travel = function(req, res, next) {
 
 exports.adviser = function(req, res, next) {
 
-    Object.assign(responseData, {
+    let resData = Object.assign({}, responseData, {
         pageHeader: headerModel.setNav({
             navTitle: '潮流顾问'
         }),
@@ -249,7 +249,7 @@ exports.adviser = function(req, res, next) {
     };
 
     trendModel.adviser(params).then((result) => {
-        res.render('trend/adviser', Object.assign(responseData, result));
+        res.render('trend/adviser', Object.assign(resData, result));
     }).catch(next);
 };
 
@@ -356,7 +356,7 @@ exports.packageDetail = function(req, res, next) {
 
 exports.cutter = function(req, res, next) {
 
-    Object.assign(responseData, {
+    let resData = Object.assign({}, responseData, {
         pageHeader: headerModel.setNav({
             navTitle: req.query.cutterName
         }),
@@ -372,7 +372,7 @@ exports.cutter = function(req, res, next) {
     };
 
     trendModel.cutter(params).then((result) => {
-        res.render('trend/cutter', Object.assign(responseData, result));
+        res.render('trend/cutter', Object.assign(resData, result));
     }).catch(next);
 };
 
@@ -457,7 +457,7 @@ exports.chosenStyle = function(req, res, next) {
 };
 
 exports.chosenTime = function(req, res, next) {
-    Object.assign(responseData, {
+    let resData = Object.assign({}, responseData, {
         pageHeader: headerModel.setNav({
             navTitle: '选择时间'
         }),
@@ -472,7 +472,7 @@ exports.chosenTime = function(req, res, next) {
     };
 
     trendModel.chosenTime(params).then((result) => {
-        res.render('trend/chosen-time', Object.assign(responseData, result));
+        res.render('trend/chosen-time', Object.assign(resData, result));
     }).catch(next);
 };