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src/xt_pages/dialysis/batch_print/batch_print_order_sixtyeight.vue

           </div>
           <div style="position: relative;left: 70%;top: 30px;">
             患者签名：
-            <div class="under_line" style="width: 120px;"></div>
+            <div class="under_line" style="width: 120px;">
+              <img
+                v-if="record.dialysis_order.url!=''"
+                style="height: 30px"
+                :src="record.dialysis_order == null? 0: dialysis_order.url"
+                alt=""
+                srcset=""
+              />
+            </div>
           </div>
         </div>
       </div>

src/xt_pages/dialysis/template/DialysisPrintOrderSixtyeight.vue

          <div style="position: relative; left: 70%;top: 50px;width: 288px;">
           患者签名：
           <div class="under_line" style="width: 120px;">
-            <!-- <img
+            <img
+              v-if="dialysisOrder.url!=''"
               style="height: 30px"
               :src="dialysisOrder == null? 0: dialysisOrder.url"
               alt=""
               srcset=""
-            /> -->
+            />
           </div>
         </div>
       </div>