使用el-date-picker时间选择出现“TypeError:dateObject.getTime is not a function“报错_el-date-picker typeerror: dateobject.gettime is no

<el-form-item label="完结时间" prop="end_at" class="coursename">
          <el-date-picker
            v-model="ruleForm.end_at"
            type="date"
            placeholder="请选择完结日期"
            class="date"
            format="yyyy 年 MM 月 dd 日"
            value-format="yyyy-MM-dd"
          >
          </el-date-picker>
          <el-checkbox label="自动完结"></el-checkbox>
        </el-form-item>
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    end_at: [
          {
            type: "date",
            required: true,
            message: "请选择完结日期",
            trigger: "change",
          },
        ],
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将检验规则中的 type :date改为String或直接去掉

   end_at: [
          {
            type: "String",
            required: true,
            message: "请选择完结日期",
            trigger: "change",
          },
        ],
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