.memo-span {

  width: 200px;
  display:block;
  padding: 10px;
}

src/components/History.vue

@@ -49,7 +49,7 @@ export default {
         { text: 'Mev', value: 'mev', width: '3%' },
         { text: 'Pending', value: 'pending', width: '7%' },
         { text: 'TradeInfo', value: 'tradeInfo'},
-        { text: 'memo', value: 'memo', width: '10%'}
+        { text: 'memo', value: 'memo'}
       ]
     },
   }),

src/components/Pending.vue

@@ -49,7 +49,7 @@ export default {
         {text: 'Mev', value: 'mev'},
         {text: 'Pending', value: 'pending'},
         {text: 'TradeInfo', value: 'tradeInfo'},
-        {text: 'memo', value: 'memo', width: '10%'}
+        {text: 'memo', value: 'memo'}
       ]
     }
   }),

src/components/viewer/Table.vue

@@ -117,6 +117,14 @@
             <TradeInfo :item="item"></TradeInfo>
           </div>
         </template>
+        <template v-slot:item.memo="{ item }">
+          <div v-if="item.memo !== undefined">
+            <span class="memo-span">{{ item.memo }}</span>
+          </div>
+          <div v-else>
+            [memo]
+          </div>
+        </template>
       </v-data-table>
     </v-card>
 
@@ -198,4 +206,9 @@ export default {
 .tradeInfoBtn:hover {
   background: beige;
 }
+.memo-span {
+  width: 200px;
+  display:block;
+  padding: 10px;
+}
 </style>

src/plugins/model/EthMev.js

@@ -54,6 +54,7 @@ export default class EthMev {
     historyList.map(function (history) {
       try {
         let dataObj = history.dataObj
+        dataObj.memo = '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'
 
         history.from = dataObj.fromAdd
         history.to = dataObj.toAdd