update：更新代码

src/modules/payment/components/Confirmed.vue

@@ -7,7 +7,7 @@
           v-for="(item, index) in row.payment_voucher_filename"
           :key="index"
           :src="item"
-          :fit="cover"
+          :fit="fill"
           style="width: 100px; height: 100px"
         ></el-image>
       </template>

src/modules/payment/components/Toconfirm.vue

@@ -3,11 +3,11 @@
   <app-card>
     <app-list v-bind="tableOptions" ref="list">
       <template v-slot:payment_voucher_filename="{ row }">
-        :fit="cover"
         <el-image
           v-for="(item, index) in row.payment_voucher_filename"
           :key="index"
           :src="item"
+          :fit="fill"
           style="width: 100px; height: 100px"
         ></el-image>
       </template>