Add

Strides-Admin/src/views/voucher/detail.vue

@@ -20,7 +20,7 @@
           </el-form-item>
           <el-form-item
             label="Validity Period:"
-            prop="voucherName"
+            prop="validityPeriod"
             class="flex1">
             <el-date-picker
               v-model="form.validityPeriod"