diff --git a/src/views/Project.vue b/src/views/Project.vue
index 9ff44f8..fff7aac 100644
--- a/src/views/Project.vue
+++ b/src/views/Project.vue
@@ -13,7 +13,7 @@
                     <el-button :icon="Plus" circle @click="add_room" />
                 </el-card>
             </el-col>
-            <el-col :span="6" v-for="item in rooms">
+            <el-col :span="6" v-for="(item,index) in rooms" :key="index">
                 <el-card>
                     <p>{{ item.name }}</p>
                     <p>{{ item.count }}</p>