diff --git a/backend/database/mongo.go b/backend/database/mongo.go
index 3d4cc1a..301200f 100644
--- a/backend/database/mongo.go
+++ b/backend/database/mongo.go
@@ -200,6 +200,9 @@ func (m *MongoDBManager) GetMaxPostID() (int, error) {
 		options.FindOne().SetSort(bson.M{"id": -1}),
 	).Decode(&post)
 	if err != nil {
+		if err == mongo.ErrNoDocuments {
+			return 0, nil
+		}
 		return 0, err
 	}
 
diff --git a/frontend/src/pages/auth.vue b/frontend/src/pages/auth.vue
index ffcf315..eac50f0 100644
--- a/frontend/src/pages/auth.vue
+++ b/frontend/src/pages/auth.vue
@@ -19,7 +19,7 @@
 
                                 <v-card-text>
                                     <p>请给墙号(QQ: 2297454588)发送</p>
-                                    <p><strong>#注册</strong></p>
+                                    <p><strong>#注册账号</strong></p>
                                     <p>来获得初始密码。</p>
                                 </v-card-text>
 
diff --git a/frontend/src/pages/index.vue b/frontend/src/pages/index.vue
index 555e205..d3f8c65 100644
--- a/frontend/src/pages/index.vue
+++ b/frontend/src/pages/index.vue
@@ -110,10 +110,10 @@
           </template>
 
           <template v-slot:default="{ isActive }">
-            <v-card title="😉 投稿礼仪">
+            <v-card title="😉 投稿规则">
 
               <v-card-text>
-                <p v-for="(rule, index) in $store.state.metadata.post_rules" :key="index">{{ index }}. {{ rule }}</p>
+                <p v-for="(rule, index) in $store.state.metadata.post_rules" :key="index">{{ index + 1 }}. {{ rule }}</p>
               </v-card-text>
 
               <v-card-actions>