diff --git a/back/src/views/modules/ability/assignedScene/components/infrastructure-modal.vue b/back/src/views/modules/ability/assignedScene/components/infrastructure-modal.vue
index ae7be4fe..caf3a71c 100644
--- a/back/src/views/modules/ability/assignedScene/components/infrastructure-modal.vue
+++ b/back/src/views/modules/ability/assignedScene/components/infrastructure-modal.vue
@@ -44,6 +44,11 @@
                         <el-button type="primary" style="margin-left:10px;margin-top:4px" size="small" @click="clear">
                             重置
                         </el-button>
+                        <el-button type="primary" style="margin-left:10px;margin-top:4px" size="small"
+                            @click="clearSelectArray">
+                            清空已选择
+                        </el-button>
+
                     </div>
                 </div>
 
@@ -115,6 +120,7 @@ export default {
             showKey: 0,
             showModal: false,
             selectedArray: [], // 已选择的数据id
+            selectedArrayCopy: [],
             displayList: [], // 用于展示的list
             btnList: ['视频资源', '云资源', '感知资源'],
             showText: {
@@ -210,6 +216,8 @@ export default {
             this.displayList = JSON.parse(JSON.stringify(arr));
             // 已选中
             this.selectedArray = arr.map(v => v.idtCameraChannel);
+            this.selectedArrayCopy = JSON.parse(JSON.stringify(arr));
+
             this.dataList = JSON.parse(JSON.stringify(arr));
             this.pageData.total = arr.length;
             // 默认选中复选框
@@ -303,24 +311,38 @@ export default {
             this.searchData.parentId = parentId;
             this.getData(parentId)
         },
+        clearSelectArray() {
+            this.selectedArrayCopy = []
+            this.selectedArray = []
+            this.getData()
+        },
         confirmSubmitHandle() {
-            if (this.selectedArray.length > this.maxNum) {
+            // 新选择的
+            let idtCameraChannelArray = this.selectedArray.map(v => v.idtCameraChannel)
+            // 选过的
+            let newIdArray = this.selectedArrayCopy.map(v => v.idtCameraChannel)
+            let idArray = [...new Set(newIdArray.concat(idtCameraChannelArray))]
+            if (idArray.length > this.maxNum) {
                 return this.$message.error('最多选择十条数据！');
             }
-            this.showModal = false;
-            this.displayList = []
-            let idtCameraChannelArray = this.selectedArray.map(v => v.idtCameraChannel)
-            this.dataList.map(v => {
-                if (idtCameraChannelArray.includes(v.idtCameraChannel)) {
+
+            let listArray = [].concat(this.selectedArrayCopy, this.dataList);
+            this.displayList = [];
+            idArray.map(v => {
+                let obj = listArray.find(k => k.idtCameraChannel === v)
+                if (obj) {
                     this.displayList.push({
-                        channelName: v.channelName
+                        channelName: obj.channelName
                     })
                 }
+
             })
+
             this.$emit('update', {
                 title: this.type,
-                list: idtCameraChannelArray
+                list: idArray,
             })
+            this.showModal = false;
         },
         close() {
             this.showModal = false;