diff --git a/src/views/index.vue b/src/views/index.vue
index 583c9c0..74dcd6c 100644
--- a/src/views/index.vue
+++ b/src/views/index.vue
@@ -353,7 +353,9 @@
                         </el-slider>
                     </div>
                 </el-form-item>
-                <!-- <el-form-item label="单位：" ></el-form-item> -->
+                <el-form-item label=""  v-if="componentForm.componentType == 'OD'">
+                    <div style="color:red;line-height: normal;">注意：OD组件消耗性能极高，可能会造成分析延迟，（起点个数*终点个数）值不要太大!</div>
+                </el-form-item>
                 <el-form-item label="起点：" :required="true" v-if="componentForm.componentType == 'OD'">
                     <el-checkbox-group v-model="componentForm.startSection" @change="handleCheckedStartSection">
                         <el-checkbox v-for="item in sectionals" :label="item.graphicName" :key="item.graphicId">{{
@@ -1154,7 +1156,7 @@ export default {
                 'detection' + this.number,
                 'img' + this.number,
                 'TargetAnalysisStatusData',
-                'TrafficAnalysisStatusData',
+                'TrafficAnalysisStatusData'
             ];
             // console.log('在test1/index视频页面number-',this.number)
             window.PubScribe(this.topicSends, this.number, this.realInfo, false, this.$route.query.id);
@@ -1170,7 +1172,7 @@ export default {
                 'trigger-' + this.$route.query.id,
                 'cycle_time-' + this.$route.query.id,
                 'cycle_statistics-' + this.$route.query.id,
-                'cycle_accumulate-' + this.$route.query.id,
+                'cycle_accumulate-' + this.$route.query.id
             ];
             // console.log('在test1/index视频页面number-',this.number)
             window.PubScribe(this.topicSends, this.number, this.realInfo, false, this.$route.query.id);
@@ -1802,8 +1804,10 @@ export default {
                         this.sectionals.forEach((items) => {
                             startSectionArr.push(items.graphicName);
                         });
-                        this.componentForm.startSection = startSectionArr;
-                        this.handleCheckedStartSection(startSectionArr)
+                        if (startSectionArr.length > 0) {
+                            this.componentForm.startSection = [startSectionArr[0]];
+                            this.handleCheckedStartSection([startSectionArr[0]]);
+                        }
                     }
                     if (res.data.data.endSectionIds != '') {
                         //console.log('endSectionIds', res.data.data.endSectionIds);
@@ -1825,8 +1829,10 @@ export default {
                         this.sectionals.forEach((items) => {
                             endSectionArr.push(items.graphicName);
                         });
-                        this.componentForm.endSection = endSectionArr;
-                        this.handleCheckedendSection(endSectionArr)
+                        if (endSectionArr.length > 0) {
+                            this.componentForm.endSection = [endSectionArr[0]];
+                            this.handleCheckedendSection([endSectionArr[0]]);
+                        }
                     }
                     if (this.componentForm.presentationForm != '') {
                         var arr = [];
@@ -2553,6 +2559,10 @@ export default {
             // console.log('改变起点', value);
             var startSectionIdArr = [];
             var startSectionNameArr = [];
+            if (value.length == 0) {
+                this.componentForm.startSectionIds = '';
+                this.componentForm.startSectionNames = '';
+            }
             value.forEach((item) => {
                 this.sectionals.forEach((items) => {
                     if (item == items.graphicName) {
@@ -2571,6 +2581,10 @@ export default {
             //console.log('改变终点', value);
             var endSectionIdArr = [];
             var endSectionNameArr = [];
+            if (value.length == 0) {
+                this.componentForm.endSectionIds = '';
+                this.componentForm.endSectionNames = '';
+            }
             value.forEach((item) => {
                 this.sectionals.forEach((items) => {
                     if (item == items.graphicName) {