fix:添加已使用状态

pages/activity/invite-user/invite-fission.vue

@@ -25,7 +25,8 @@
             <div class="index-container">{{ index+1 }}</div>
             <div class="date-container">{{ item.createTime | formatDate('MM月DD日 HH:mm') }}</div>
             <div class="code-container">{{ item.activationCode | activationCodeMask }}</div>
-            <div class="operation-container"><v-btn text small color="#FF9616" class="copy-btn" @click="copyCode(item)">复制</v-btn></div>
+            <div class="operation-container" v-if="!item.activationUse"><v-btn text small color="#FF9616" class="copy-btn" @click="copyCode(item)">复制</v-btn></div>
+            <div class="operation-container" v-else><v-btn text small color="#999999" class="copy-btn">已使用</v-btn></div>
           </div>
           <div v-if="myActivationCode.length" v-intersect.quiet="codeLoadMoreIntersect" class="flex item-center justify-center">
             <v-btn :loading="codeIsLoading" text small>