更新乐团修改时，乐队指导显示

src/views/teamBuild/components/teamBaseInfo.vue

@@ -846,7 +846,7 @@ export default {
             this.topFrom.boss = res.data.musicGroup.teamTeacherId;
             this.topFrom.address = res.data.musicGroup.schoolId;
             this.topFrom.salary = res.data.musicGroup.settlementType;
-            this.topFrom.head = res.data.musicGroup.directorUserId;
+            this.topFrom.head = res.data.musicGroup.directorUserId ? res.data.musicGroup.directorUserId : null;
             this.topFrom.isClass = res.data.musicGroup.isClassroomLessons;
             this.topFrom.startTime = res.data.musicGroup.expectStartGroupDate;
             this.topFrom.ownershipType = res.data.musicGroup.ownershipType;