diff --git a/src/views/newMap/jointTrainingNew/chatView/chatBox.vue b/src/views/newMap/jointTrainingNew/chatView/chatBox.vue
index 17d556f6d..6f17cb8ff 100644
--- a/src/views/newMap/jointTrainingNew/chatView/chatBox.vue
+++ b/src/views/newMap/jointTrainingNew/chatView/chatBox.vue
@@ -151,7 +151,7 @@ export default {
         },
         quitCoversition() {
             quitCoversition(this.group, this.currentCoversition.id).then(res=>{
-                this.currentCoversition = null;
+                this.currentCoversition = {all:undefined, id:null};
                 this.$refs.chatCoversitionList.initPage(true);
                 this.isHasCoversition = false;
             }).catch(error=>{
diff --git a/src/views/newMap/jointTrainingNew/chatView/chatContent.vue b/src/views/newMap/jointTrainingNew/chatView/chatContent.vue
index 0186ebc77..e1977b6dc 100644
--- a/src/views/newMap/jointTrainingNew/chatView/chatContent.vue
+++ b/src/views/newMap/jointTrainingNew/chatView/chatContent.vue
@@ -94,7 +94,7 @@ export default {
     },
     methods:{
         inintData() {
-            if (this.coversition) {
+            if (this.coversition.id) {
                 getSimulationContextListNew(this.$route.query.group, this.coversition.id).then(res=>{
                     const userId = this.$store.state.user.id;
                     const coversitionList = res.data.map(coversition=>{
diff --git a/src/views/newMap/jointTrainingNew/chatView/chatMemberList.vue b/src/views/newMap/jointTrainingNew/chatView/chatMemberList.vue
index 2d8a51de4..284a5f1a1 100644
--- a/src/views/newMap/jointTrainingNew/chatView/chatMemberList.vue
+++ b/src/views/newMap/jointTrainingNew/chatView/chatMemberList.vue
@@ -59,7 +59,7 @@ export default {
     methods:{
         getSimulationMembers() {
             this.memberList = [];
-            if (this.currentCoversition && this.currentCoversition.id) {
+            if (this.currentCoversition.id) {
                 getSimulationChatMemberNew(this.$route.query.group, this.currentCoversition.id).then(resp => {
                     let lastData = JSON.stringify(resp.data);
                     const roleTypeList = ConstConfig.ConstSelect.roleTypeNew;