修改

src/components/course/class-form.vue

@@ -110,6 +110,18 @@
         </div>
         <div class="row wrap">
           <div class="col-6">
+            <template v-if="saveObj.ClassId>0">
+              <q-input filled v-model="objOption.OpenTime" class="col-6 q-pr-lg q-pb-lg" mask="date" label="开始报名时间">
+                <template v-slot:append>
+                  <q-icon name="event" class="cursor-pointer">
+                    <q-popup-proxy ref="qDateProxy1" transition-show="scale" transition-hide="scale">
+                      <q-date v-model="objOption.OpenTime" @input="() => $refs.qDateProxy1.hide()" />
+                    </q-popup-proxy>
+                  </q-icon>
+                </template>
+              </q-input>
+            </template>
+            <template v-else>
               <q-field filled class="q-pr-lg">
                    <template v-slot:control>
                       <el-date-picker
@@ -121,6 +133,7 @@
                       </el-date-picker>
                     </template>
                 </q-field>
+            </template>
           </div>
           <div class="col-6">
             <q-input filled v-model="objOption.EndOrderTime" class="col-6 q-pr-lg q-pb-lg" mask="date" label="截止报名时间">