优化质检报告模板日期显示逻辑并处理空值情况

src/views/inspectionReport/template/inspection_report1.vue

@@ -144,7 +144,7 @@
                   placeholder="选择日期"
                 />
               </div>
-              <div v-else>{{ basicInfoData.expirationDate }}</div>
+              <div v-else>{{ basicInfoData.expirationDate ||'/'}}</div>
             </td>
           </tr>
           <tr>

src/views/inspectionReport/template/inspection_report2.vue

@@ -176,7 +176,7 @@
                   placeholder="选择日期"
                 />
               </div>
-              <div v-else>{{ basicInfoData.expirationDate }}</div>
+              <div v-else>{{ basicInfoData.expirationDate ||'/'}}</div>
             </td>
             <td style="width: 150px; border: 1px solid #ccc; padding: 8px"
               >报告日期</td