fix: IE10 '>' symbol err

- feat: add PageHeaderWrapper props title hidden

examples/src/views/form/advanced-form.vue

@@ -2,6 +2,7 @@
   <page-header-wrapper
     :tab-list="tabList"
     :tab-active-key="tabActiveKey"
+    :title="false"
     :tab-change="(key) => {
       this.tabActiveKey = key
       console.log('PageHeader::tabChange', key)

package.json

@@ -62,7 +62,7 @@
         "omit.js": "^1.0.2",
         "umi-request": "^1.2.11",
         "vue-container-query": "^0.1.0",
-        "vue-copy-to-clipboard": "^1.0.2"
+        "vue-copy-to-clipboard": "^1.0.3"
     },
     "config": {
         "port": 9528,

src/components/PageHeaderWrapper/index.jsx

@@ -112,7 +112,7 @@ const defaultPageHeaderRender = (h, props, pageMeta, i18nRender) => {
   let tabProps = {
     breadcrumb,
     extra,
-    title: i18nRender(pageHeaderTitle),
+    title: pageHeaderTitle && i18nRender(pageHeaderTitle),
     footer: renderFooter(h, restProps, i18nRender),
   }
   if (!handleBack) {