diff --git a/build/deploy-faas.sh b/build/deploy-faas.sh
index 0e1f08f10..dc8ab9919 100644
--- a/build/deploy-faas.sh
+++ b/build/deploy-faas.sh
@@ -8,9 +8,7 @@ git clone -b gh-pages https://github.com/ElemeFE/element.git && cd element
 SUB_FOLDER='1.4'
 mkdir $SUB_FOLDER
 
-# rm -rf *.js *.css *.map static
 rm -rf $SUB_FOLDER/**
-# cp -rf ../../examples/element-ui/** .
 cp -rf ../../examples/element-ui/** $SUB_FOLDER/
 cd ../..
 
diff --git a/examples/components/side-nav.vue b/examples/components/side-nav.vue
index 7f716cc2f..575c6f06b 100644
--- a/examples/components/side-nav.vue
+++ b/examples/components/side-nav.vue
@@ -259,11 +259,7 @@
       const xhr = new XMLHttpRequest();
       xhr.onreadystatechange = _ => {
         if (xhr.readyState === 4 && xhr.status === 200) {
-          const versions = JSON.parse(xhr.responseText);
-          this.versions = Object.keys(versions).slice(-2).reduce((prev, next) => {
-            prev[next] = versions[next];
-            return prev;
-          }, {});
+          this.versions = JSON.parse(xhr.responseText);
         }
       };
       xhr.open('GET', '/versions.json');
diff --git a/examples/docs/en-US/quickstart.md b/examples/docs/en-US/quickstart.md
index 6c39627de..ade252102 100644
--- a/examples/docs/en-US/quickstart.md
+++ b/examples/docs/en-US/quickstart.md
@@ -42,8 +42,8 @@ Typical configurations for these config files are:
     "build": "cross-env NODE_ENV=production webpack --progress --hide-modules"
   },
   "dependencies": {
-    "element-ui": "^1.4.0",
-    "vue": "^2.3.0"
+    "element-ui": "legacy",
+    "vue": "2.5.2"
   },
   "devDependencies": {
     "babel-core": "^6.0.0",
diff --git a/examples/docs/zh-CN/quickstart.md b/examples/docs/zh-CN/quickstart.md
index 10e7591b8..da3136ab7 100644
--- a/examples/docs/zh-CN/quickstart.md
+++ b/examples/docs/zh-CN/quickstart.md
@@ -42,8 +42,8 @@
     "build": "cross-env NODE_ENV=production webpack --progress --hide-modules"
   },
   "dependencies": {
-    "element-ui": "^1.4.0",
-    "vue": "^2.3.0"
+    "element-ui": "legacy",
+    "vue": "2.5.2"
   },
   "devDependencies": {
     "babel-core": "^6.0.0",
diff --git a/packages/date-picker/src/panel/date-range.vue b/packages/date-picker/src/panel/date-range.vue
index 3255e6760..ea2bb2d3e 100644
--- a/packages/date-picker/src/panel/date-range.vue
+++ b/packages/date-picker/src/panel/date-range.vue
@@ -387,6 +387,13 @@
         this.onPick && this.onPick(val);
         this.maxDate = val.maxDate;
         this.minDate = val.minDate;
+
+        // workaround for https://github.com/ElemeFE/element/issues/7539, should remove this block when we don't have to care about Chromium 55 - 57
+        setTimeout(() => {
+          this.maxDate = val.maxDate;
+          this.minDate = val.minDate;
+        }, 10);
+
         if (!close || this.showTime) return;
         this.handleConfirm();
       },