8月9，75号打印单

src/xt_pages/dialysis/template/DialysisPrintOrderseventyfive.vue

                 class="under_line"
                 style="width: 70px; text-align: center"
               >
-                {{predialysis.weight_before ? predialysis.weight_before : ""}}
+                {{ predialysis.weight_before != '' && predialysis.additional_weight !='' ? (predialysis.weight_before - predialysis.additional_weight).toFixed(1) : ""}}
               </div>
               kg
             </div>
 
                   <span v-if="advice.parent_id > 0"></span>
                   <span>{{ advice.advice_name }}</span>
-                  <span v-if="advice && advice.advice_desc"
-                    >({{ advice.advice_desc
-                    }}{{ advice.drug_spec_unit }})</span
-                  >
+                  <span v-if="advice && advice.advice_desc">
+                    ({{ advice.advice_desc}}
+                    {{ advice.drug_spec_unit }})
+                  </span>
                   <span v-if="advice.prescribing_number"
                     >&nbsp; {{ advice.prescribing_number
                     }}{{ advice.prescribing_number_unit }}</span