diff --git a/mail-vue/src/components/email-scroll/index.vue b/mail-vue/src/components/email-scroll/index.vue
index 2db1820..8a2c440 100644
--- a/mail-vue/src/components/email-scroll/index.vue
+++ b/mail-vue/src/components/email-scroll/index.vue
@@ -69,7 +69,7 @@
                   <div v-else></div>
                   <span class="name">
                     <span>
-                      <div class="unread" v-if="isMobile && (item.unread === EmailUnreadEnum.UNREAD && showUnread) "/>
+                      <div class="unread" v-if="isMobile && !item.code && (item.unread === EmailUnreadEnum.UNREAD && showUnread) "/>
                       <slot name="name" :email="item"> {{ item.name }}</slot>
                     </span>
                     <span>
@@ -81,10 +81,13 @@
                 <div>
                   <div class="email-text">
                     <span class="email-subject" :style="(item.unread === EmailUnreadEnum.UNREAD && showUnread)  ? 'font-weight: bold' : ''">
-                      <div class="unread" v-if="!isMobile && (item.unread === EmailUnreadEnum.UNREAD && showUnread) "/>
-                      <slot name="subject" :email="item" >
-                        {{ item.subject || '\u200B' }}
-                      </slot>
+                      <div class="unread" v-if="!isMobile && !item.code && (item.unread === EmailUnreadEnum.UNREAD && showUnread) "/>
+                      <span v-if="item.code" class="code-tag" @click.stop="copyCode(item.code)">[{{ t('codeLabel') }}{{ item.code }}]</span>
+                      <span class="subject-text">
+                        <slot name="subject" :email="item" >
+                          {{ item.subject || '\u200B' }}
+                        </slot>
+                      </span>
                     </span>
                     <span class="email-content">{{ item.formatText || '\u200B' }}</span>
                   </div>
@@ -152,6 +155,14 @@
     >
       <template #dropdown>
         <el-dropdown-menu>
+          <el-dropdown-item v-if="rightClickEmail.code" @click="copyCode(rightClickEmail.code)" >
+            <template #default>
+              <div class="right-dropdown-item">
+                <Icon icon="fluent-color:clipboard-24" width="20" height="20" />
+                <span>{{t('copyCode')}}</span>
+              </div>
+            </template>
+          </el-dropdown-item>
           <el-dropdown-item v-if="['email'].includes(props.type)" @click="emailRead(rightClickEmail.emailId)" >
             <template #default>
               <div class="right-dropdown-item">
@@ -656,6 +667,24 @@ function handleSearch(type, value) {
   emit('right-search', type, value);
 }
 
+async function copyCode(code) {
+  try {
+    await navigator.clipboard.writeText(code);
+    ElMessage({
+      message: t('copySuccessMsg'),
+      type: 'success',
+      plain: true
+    })
+  } catch (err) {
+    console.error(`${t('copyFailMsg')}:`, err);
+    ElMessage({
+      message: t('copyFailMsg'),
+      type: 'error',
+      plain: true
+    })
+  }
+}
+
 function handleDelete() {
   ElMessageBox.confirm(t('delEmailsConfirm'), {
     confirmButtonText: t('confirm'),
@@ -1139,14 +1168,37 @@ function loadData() {
       }
 
       .email-subject {
+        display: flex;
+        align-items: center;
+        gap: 6px;
         overflow: hidden;
         white-space: nowrap;
-        text-overflow: ellipsis;
+        min-width: 0;
         @media (min-width: 1367px) {
           padding-left: 5px;
         }
       }
 
+      .code-tag {
+        flex: 0 0 auto;
+        max-width: 170px;
+        height: 20px;
+        line-height: 20px;
+        font-size: 14px;
+        color: var(--el-text-color-primary);
+        overflow: hidden;
+        white-space: nowrap;
+        text-overflow: ellipsis;
+        cursor: pointer;
+      }
+
+      .subject-text {
+        overflow: hidden;
+        white-space: nowrap;
+        text-overflow: ellipsis;
+        min-width: 0;
+      }
+
       .email-content {
         overflow: hidden;
         white-space: nowrap;
diff --git a/mail-vue/src/i18n/en.js b/mail-vue/src/i18n/en.js
index d030b63..8e1028e 100644
--- a/mail-vue/src/i18n/en.js
+++ b/mail-vue/src/i18n/en.js
@@ -104,6 +104,8 @@ const en = {
     validUntil: 'Valid Until',
     expired: 'Expired',
     copy: 'Copy',
+    copyCode: 'Copy Code',
+    codeLabel: 'Code: ',
     history: 'History',
     addRegKey: 'Add Invite Code',
     regKey: 'Invite Code',
diff --git a/mail-vue/src/i18n/zh.js b/mail-vue/src/i18n/zh.js
index fc382d2..35e47b8 100644
--- a/mail-vue/src/i18n/zh.js
+++ b/mail-vue/src/i18n/zh.js
@@ -104,6 +104,8 @@ const zh = {
     validUntil: '有效至期',
     expired: '已过期',
     copy: '复制',
+    copyCode: '复制验证码',
+    codeLabel: '验证码：',
     history: '记录',
     addRegKey: '添加注册码',
     regKey: '注册码',
diff --git a/mail-worker/src/init/init.js b/mail-worker/src/init/init.js
index d9ad096..e06665a 100644
--- a/mail-worker/src/init/init.js
+++ b/mail-worker/src/init/init.js
@@ -35,7 +35,11 @@ const dbInit = {
 
 	async v3_0DB(c) {
 		try {
-			await c.env.db.prepare(`ALTER TABLE email ADD COLUMN code TEXT NOT NULL DEFAULT '';`).run();
+			await c.env.db.batch([
+				await c.env.db.prepare(`ALTER TABLE email ADD COLUMN code TEXT NOT NULL DEFAULT '';`).run(),
+				await c.env.db.prepare(`ALTER TABLE setting ADD COLUMN ai_code INTEGER NOT NULL DEFAULT 1;`).run(),
+				await c.env.db.prepare(`ALTER TABLE setting ADD COLUMN ai_code_filter TEXT NOT NULL DEFAULT '';`).run()
+			]);
 		} catch (e) {
 			console.warn(`跳过字段：${e.message}`);
 		}
@@ -50,17 +54,6 @@ const dbInit = {
 			console.warn(`跳过字段：${e.message}`);
 		}
 
-		try {
-			await c.env.db.prepare(`ALTER TABLE setting ADD COLUMN ai_code INTEGER NOT NULL DEFAULT 1;`).run();
-		} catch (e) {
-			console.warn(`跳过字段：${e.message}`);
-		}
-
-		try {
-			await c.env.db.prepare(`ALTER TABLE setting ADD COLUMN ai_code_filter TEXT NOT NULL DEFAULT '';`).run();
-		} catch (e) {
-			console.warn(`跳过字段：${e.message}`);
-		}
 	},
 
 	async v2_9DB(c) {
diff --git a/mail-worker/src/service/ai-service.js b/mail-worker/src/service/ai-service.js
index 9f1124c..c9a5e68 100644
--- a/mail-worker/src/service/ai-service.js
+++ b/mail-worker/src/service/ai-service.js
@@ -22,7 +22,7 @@ const aiService = {
 				messages: [
 					{
 						role: 'system',
-						content: 'You extract verification codes from emails. Return only JSON like {"code":"123456"} or {"code":""}. Do not explain.'
+						content: 'You extract verification codes from emails. Return only JSON like {"code":"123456"} or {"code":""}. The code must be 6 characters or fewer and must not contain spaces. If the code is longer than 6 characters or contains spaces, return {"code":""}. Do not explain.'
 					},
 					{
 						role: 'user',
@@ -35,7 +35,15 @@ const aiService = {
 
 			const content = typeof result === 'string' ? result : result?.response || '';
 			const json = JSON.parse(content);
-			return typeof json.code === 'string' ? json.code.trim().slice(0, 64) : '';
+			if (typeof json.code !== 'string') {
+				return '';
+			}
+
+			if (json.code.length > 6 || /\s/.test(json.code)) {
+				return '';
+			}
+
+			return json.code;
 		} catch (e) {
 			console.error('验证码提取失败: ', e);
 			return '';