修改部分场合重新开始训练时，tab定位不对的bug，删除训练数据页面的常亮设置

entry/src/main/js/default/pages/end/end.js

@@ -2,8 +2,6 @@ import brightness from '@system.brightness' //保持屏幕常亮
 import app from '@system.app' //右滑退出
 import router from '@system.router' //页面跳转
 
-var timer;
-
 export default {
     data: {
         acCalorie: "0", //卡路里
@@ -21,18 +19,7 @@ export default {
         _this.averHeartRate = _this.endAverHeartRate;
         _this.maxHeartRate = _this.endMaxHeartRate;
     },
-    onShow() {
-        let _this = this;
-        //保持屏幕常亮
-        _this.keepScreenOn();
-        timer = setInterval(function () {
-            _this.keepScreenOn();
-        },2 * 60 * 1000);
-    },
     onDestroy() {
-        if (timer != null) {
-            clearInterval(timer);
-        }
         //取消接收手机侧第三方应用发过来的消息
         FeatureAbility.unsubscribeMsg();
     },
@@ -50,19 +37,6 @@ export default {
         }
     },
 
-/**
-  *保持屏幕常亮
-  */
-    keepScreenOn() {
-        brightness.setKeepScreenOn({
-            keepScreenOn: true,
-            success: function () {
-            },
-            fail: function (data, code) {
-            }
-        })
-    },
-
 /**
   *获取客户端短消息
     */

entry/src/main/js/default/pages/index/index.js

@@ -162,6 +162,7 @@ export default {
         switch (msg.eventFlg) {
             case "0": //训练准备
             _this.page = "0";
+            _this.tabIndex = "0";
             break;
             case "1": //训练准备后的倒计时
             _this.countdownT = model.countdownT;