隐藏拍照上传，添加开始时间

src/views/teachingHomework/homeworkTask/answer.vue

@@ -86,12 +86,12 @@
               </div>
             </div>
           </div>
-          <!-- 选择题禁用拍照；解答题可上传。最后一题把「下一题」换成「提交」 -->
+          <!-- 判断题、单选题、多选题不显示拍照；解答题可上传。最后一题把「下一题」换成「提交」 -->
           <div class="dock_actions">
-            <el-button class="photo_btn" :type="isSingle ? 'default' : 'primary'"
-              :disabled="isSingle || photoLimitReached" :loading="uploading"
+            <el-button v-if="!isSingle" class="photo_btn" type="primary"
+              :disabled="photoLimitReached" :loading="uploading"
               @click="handlePhoto">
-              <img class="camera_icon" :src="isSingle ? cameraGray : cameraWhite" alt="">
+              <img class="camera_icon" :src="cameraWhite" alt="">
               拍照上传
             </el-button>
             <el-button class="nav_btn" :disabled="currentQuestion.index === 0" @click="prevQuestion">
@@ -178,8 +178,7 @@ export default {
       answers: {}, // 选择题为所选选项 key 数组，拍照题为图片 url 数组
       imgVisible: false, // 是否打开图片放大预览
       previewIndex: 0, // 预览起始图片下标
-      cameraGray: require('@/assets/homeworkTask/camera_999.png'),
-      cameraWhite: require('@/assets/homeworkTask/camera_fff.png'),
+      cameraWhite: require('@/assets/homeworkTask/camera_999.png'),
       nowTick: Date.now(),
       timer: null,
       uploading: false,

src/views/teachingHomework/homeworkTask/list.vue

@@ -42,7 +42,8 @@
               </span>
             </div>
             <div class="card_meta">
-              <span>提交截止：{{ item.submitEndTime || '-' }}</span>
+              <span>开始时间：{{ item.submitStartTime || '-' }}</span>
+              <span>结束时间：{{ item.submitEndTime || '-' }}</span>
               <span>试题数量：{{ item.questionNumber != null ? item.questionNumber : '-' }}</span>
               <span>
                 状态：