feat:老师多选

src/views/curriculum/curr.vue

@@ -208,6 +208,7 @@
                 <a-form-item label="授课讲师" name="teacherId">
                   <a-select
                     v-model:value="addData.teacherId"
+                    mode="multiple"
                     :options="teachersA"
                   ></a-select>
                 </a-form-item>