....

src/modules/examwork/view/offlineExamOrgSettings.vue

@@ -155,7 +155,6 @@
                   start-placeholder="开始日期"
                   end-placeholder="结束日期"
                   value-format="yyyy-MM-dd HH:mm:ss"
-                  :clearable="false"
                 >
                 </el-date-picker>
               </el-form-item>

src/modules/examwork/view/onlineExamOrgSettings.vue

@@ -271,7 +271,6 @@
                   start-placeholder="开始日期"
                   end-placeholder="结束日期"
                   value-format="yyyy-MM-dd HH:mm:ss"
-                  :clearable="false"
                 >
                 </el-date-picker>
               </el-form-item>