新增案例组别单选功能

src/components/pages/race/addRace/raceDetail.vue

@@ -110,7 +110,7 @@
                       <div class="choose">
                         <div class="all_choose" v-for="(item, index) in CourseType[0]" :key="index">
                           <span>{{ item.name }}</span>
-                          <el-checkbox-group v-model="raceDetail.type">
+                          <el-checkbox-group v-model="raceDetail.type" @change="updateTitle">
                             <el-checkbox @change="updateType(item1)" v-for="item1 in CourseTypeJson[item.id]"
                               :key="item1.id" :label="item1.id">{{ item1.name }}</el-checkbox>
                           </el-checkbox-group>