diff --git a/contrastPackages/carModelsRatio/BBS/index.js b/contrastPackages/carModelsRatio/BBS/index.js
index d02fdc1..d7eef7e 100644
--- a/contrastPackages/carModelsRatio/BBS/index.js
+++ b/contrastPackages/carModelsRatio/BBS/index.js
@@ -24,7 +24,7 @@ Component({
     },
     lifetimes: {
         attached() {
-            let brandRatioTime = wx.getStorageSync('brandRatioTime')
+            let brandRatioTime = wx.getStorageSync('brandRatioTime') || 34
             let sBrand = wx.getStorageSync('sBrand')
             this.setData({
                 boxArr: wx.getStorageSync('modelsData')
diff --git a/contrastPackages/carModelsRatio/survey/index.js b/contrastPackages/carModelsRatio/survey/index.js
index d326291..b65eeb7 100644
--- a/contrastPackages/carModelsRatio/survey/index.js
+++ b/contrastPackages/carModelsRatio/survey/index.js
@@ -30,7 +30,7 @@ Component({
     },
     lifetimes: {
         attached() {
-            let brandRatioTime = wx.getStorageSync('brandRatioTime')
+            let brandRatioTime = wx.getStorageSync('brandRatioTime') || 34
             let sBrand = wx.getStorageSync('sBrand')
             this.setData({
                 boxArr: wx.getStorageSync('modelsData')
diff --git a/contrastPackages/carModelsRatio/thetail/index.js b/contrastPackages/carModelsRatio/thetail/index.js
index 65cc73c..858b783 100644
--- a/contrastPackages/carModelsRatio/thetail/index.js
+++ b/contrastPackages/carModelsRatio/thetail/index.js
@@ -27,7 +27,7 @@ Component({
     },
     lifetimes: {
         attached() {
-            let brandRatioTime = wx.getStorageSync('brandRatioTime')
+            let brandRatioTime = wx.getStorageSync('brandRatioTime') || 34
             let sBrand = wx.getStorageSync('sBrand')
             this.setData({
                 boxArr: wx.getStorageSync('modelsData')
diff --git a/contrastPackages/carModelsRatio/weibo/index.js b/contrastPackages/carModelsRatio/weibo/index.js
index 19a4ce3..d729ea3 100644
--- a/contrastPackages/carModelsRatio/weibo/index.js
+++ b/contrastPackages/carModelsRatio/weibo/index.js
@@ -27,7 +27,7 @@ Component({
     },
     lifetimes: {
         attached() {
-            let brandRatioTime = wx.getStorageSync('brandRatioTime')
+            let brandRatioTime = wx.getStorageSync('brandRatioTime') || 34
             let sBrand = wx.getStorageSync('sBrand')
             this.setData({
                 boxArr: wx.getStorageSync('modelsData')
diff --git a/pages/varComm/pages/carModels/index.js b/pages/varComm/pages/carModels/index.js
index 4a16bed..ac57eda 100644
--- a/pages/varComm/pages/carModels/index.js
+++ b/pages/varComm/pages/carModels/index.js
@@ -47,7 +47,9 @@ Component({
                   return
             }
             wx.setStorageSync('modelsData', this.data.boxArr)
-            wx.setStorageSync('sBrand', this.data.sBrand)
+            if(wx.getStorageSync('sBrand').length<1){
+                wx.setStorageSync('sBrand', this.data.sBrand)
+            }
             wx.navigateTo({
                 url: `/contrastPackages/carModelsRatio/index`,
             })