diff --git a/pages/base/index.vue b/pages/base/index.vue
index 429a156..084a329 100755
--- a/pages/base/index.vue
+++ b/pages/base/index.vue
@@ -44,6 +44,7 @@
 <script>
 import Home from "./home";
 import ExchangeOperation from "./exchange-operation";
+import Purchase from "../purchase/index";
 import Mine from "./mine";
 import OptionList from "./option-list";
 // import List from "./list";
@@ -55,7 +56,8 @@ export default {
     ExchangeOperation,
     OptionList,
     Mine,
-    Contract
+    Contract,
+	Purchase
   },
   computed: {
     navList() {
@@ -72,12 +74,14 @@ export default {
           icon: "static/img/base_link_0.png",
           activeIcon: "static/img/base_link_1.png",
         },
-        // {
-        //   label: this.$t("base.a4"),
-        //   tel: "option-list",
-        //   icon: "static/img/base_qukuai_0.png",
-        //   activeIcon: "static/img/base_qukuai_1.png",
-        // },
+        {
+          // label: this.$t("base.a4"),
+          // tel: "option-list",
+		  label: this.$t("purchase.a5"),
+		  tel: "purchase",
+          icon: "static/img/base_qukuai_0.png",
+          activeIcon: "static/img/base_qukuai_1.png",
+        },
         {
           label: this.$t("exchange.a2"),
           tel: "contract",
diff --git a/pages/exchange/index.vue b/pages/exchange/index.vue
index 6ba4c2b..26e12d5 100755
--- a/pages/exchange/index.vue
+++ b/pages/exchange/index.vue
@@ -315,7 +315,8 @@ export default {
           interval: this.activeTime,
           resolutions: this.resolutions.map((item) => item.value),
           contract: 1,
-          lang:uni.getStorageSync('language')||'zh-CN'
+          // lang:uni.getStorageSync('language')||'zh-CN'
+		  lang:'en'
         };
       } else {
         return {
@@ -326,7 +327,8 @@ export default {
           // interval: this.activeTime,
           // resolutions: this.resolutions.map((item) => item.value),
           // contract: 1,
-          lang:uni.getStorageSync('language')||'zh-CN',
+          // lang:uni.getStorageSync('language')||'zh-CN',
+		  lang:'en',
           getLinkUrl: this.app.baseUrl + "/api/app/option/getKline",
           symbol: this.query.code,
           theme: this.theme,
diff --git a/store/index.js b/store/index.js
index f92d603..c416316 100755
--- a/store/index.js
+++ b/store/index.js
@@ -68,17 +68,19 @@ let store = new Vuex.Store({
       if (!uni.getStorageSync('logoMap')) return {};
       return JSON.parse(uni.getStorageSync('logoMap'))
     })(),
-    lang: uni.getStorageSync('language')||'zh-CN',
+    // lang: uni.getStorageSync('language')||'zh-CN',
+	lang:'en',
     version:uni.getStorageSync('version'),
     langList: [
-      {
-        value: 'zh-CN',
-        label: '简体中文'
-      },
+      
       {
         value: 'en',
         label: 'English'
       },
+	  {
+	    value: 'zh-CN',
+	    label: '简体中文'
+	  },
       {
         value: 'zh-TW',
         label: '繁體中文'