页面渲染返回值包含null去掉

          <span class="companyTitle" v-if="newFormData.alarm.remarks != null">
                    报警模拟量值:
                    {{
                      newFormData.alarm.remarks.toString().includes("null")
                        ? ""
                        : newFormData.alarm.remarks
                    }}
                  </span>
              
              
              <el-col :span="6"
                ><span v-if="formData.users">
                  报警模拟量值:
                  {{
                    formData.alarm.remarks.includes("null")
                      ? ""
                      : formData.alarm.remarks
                  }}</span
                >
      </el-col>