diff --git a/src/views/newMap/displayNew/lesson/index.vue b/src/views/newMap/displayNew/lesson/index.vue
index f057c8cb0..1ed89f2cb 100644
--- a/src/views/newMap/displayNew/lesson/index.vue
+++ b/src/views/newMap/displayNew/lesson/index.vue
@@ -14,9 +14,9 @@
     </div>
     <div id="teachGroupButton" class="display-draft" :style="{bottom: offsetBottom + 'px'}">
       <el-button-group>
-        <el-button type="primary" :disabled="backDisable" class="back" @click="back">{{ $t('display.backBtn') }}</el-button>
-        <el-button type="danger" class="end" :disabled="!isDisable || dataError" @click="end">{{ $t('display.endBtn') }}</el-button>
         <el-button type="success" class="start" :disabled="isDisable || dataError" :loading="startLoading" @click="start">{{ $t('display.startBtn') }}</el-button>
+        <el-button type="danger" class="end" :disabled="!isDisable || dataError" @click="end">{{ $t('display.endBtn') }}</el-button>
+        <el-button type="primary" :disabled="backDisable" class="back" @click="back">{{ $t('display.backBtn') }}</el-button>
       </el-button-group>
     </div>
     <tip-training-detail :training-obj="trainingObj" :offset-bottom="offsetBottom + tipBottom" />
@@ -67,7 +67,7 @@ export default {
     },
     data() {
         return {
-			result: {},
+            result: {},
             timeInterval: null,
             TrainingMode: TrainingMode,
             trainingObj:{},
@@ -108,9 +108,9 @@ export default {
         project() {
             return getSessionStorage('project');
         },
-		isOther() {
-			return this.$route.query.from == 'kzfmooc';
-		}
+        isOther() {
+            return this.$route.query.from == 'kzfmooc';
+        }
     },
     watch: {
         demoMode: function (val) {
@@ -159,7 +159,7 @@ export default {
             }
         },
         setTrainingData(resp) {
-			const detail = resp.data;
+            const detail = resp.data;
             this.trainingObj = detail;
             this.$store.dispatch('exam/setCenter', detail.locateDeviceCode);
             this.$store.dispatch('training/setTrainingData', this.trainingObj); // 设置实训教学信息
@@ -228,7 +228,7 @@ export default {
             };
             endTrainingNew(mode, this.group).then(response => {
                 const data = response.data;
-				this.result = data;
+                this.result = data;
                 this.$store.dispatch('training/judgeFinish', data).then(rsp => {
                     this.$store.dispatch('training/setStopCountTime');
                     this.$store.dispatch('training/emitTipFresh');
@@ -262,7 +262,7 @@ export default {
                                 usedTime: this.usedTime
                             };
                             endTrainingNew(mode, this.group).then(response => {
-								this.result = response.data;
+                                this.result = response.data;
                                 this.$store.dispatch('training/end', null);
                                 this.$store.dispatch('training/setStopCountTime');
                                 this.$store.dispatch('training/setScore', 0);
@@ -281,9 +281,9 @@ export default {
         },
         back() {
             Notification.closeAll();
-			if (this.isOther) {
-				EventBus.$emit('demoResult', this.result);
-			} else if (this.$route.params.mode == 'record') {
+            if (this.isOther) {
+                EventBus.$emit('demoResult', this.result);
+            } else if (this.$route.params.mode == 'record') {
                 /** 如果是演示返回时，需要重新创建仿真*/
                 trainingNotifyNew({ trainingId: this.$route.query.trainingId }).then(resp => {
                     this.$router.push({ path: `${UrlConfig.lesson.record}/${this.$route.query.trainingId}/${this.$route.query.trainingName}`, query: { group: resp.data } });