11月12日，打印单

src/pages/main/template/DialysisPrintOrderThirtyOne.vue

                       <td width="60" style="text-align:left;border:none;">
                         <div>
                           <span class="under_line" style="width:50px;display:inline-block">
-                            {{ afterdialysis.actual_displacement ? afterdialysis.actual_displacement : "" }}
+                            {{ afterdialysis.actual_displacement ? afterdialysis.actual_displacement : "/" }}
                           </span>L
                         </div>
                       </td>
                       <td width="70" style="text-align:left;border:none;">
                         <div>
                           <span class="under_line" style="width:50px;display:inline-block">
-                            {{ afterdialysis.is_eat == 1 && afterdialysis.dialysis_during ? afterdialysis.dialysis_during : '' }}
+                            {{ afterdialysis.is_eat == 1 && afterdialysis.dialysis_during ? afterdialysis.dialysis_during : '/' }}
                           </span>g
                         </div>
                       </td>