diff --git a/frontend/src/views/components/ThirdPartyAuthorization/ThirdPartyAuthorization.css b/frontend/src/views/components/ThirdPartyAuthorization/ThirdPartyAuthorization.css
index 1626516..4a124ba 100644
--- a/frontend/src/views/components/ThirdPartyAuthorization/ThirdPartyAuthorization.css
+++ b/frontend/src/views/components/ThirdPartyAuthorization/ThirdPartyAuthorization.css
@@ -18,8 +18,8 @@
 .authorization-header h3 {
   margin: 0 0 8px;
   color: var(--pm-text-primary);
-  font-size: 18px;
-  font-weight: 600;
+  font-size: 20px;
+  font-weight: 700;
 }
 
 .authorization-desc {
@@ -40,18 +40,19 @@
 }
 
 .protocol-list {
-  display: grid;
-  gap: 12px;
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
 }
 
 .protocol-item {
   display: flex;
   align-items: center;
   justify-content: space-between;
-  gap: 18px;
-  padding: 16px;
+  gap: 20px;
+  padding: 16px 20px;
+  border-radius: var(--pm-radius-md);
   border: 1px solid var(--pm-border-color);
-  border-radius: var(--pm-radius-sm);
   background: var(--pm-bg-secondary);
 }
 
@@ -63,8 +64,7 @@
 .protocol-title {
   display: flex;
   align-items: center;
-  flex-wrap: wrap;
-  gap: 8px;
+  gap: 10px;
 }
 
 .protocol-title strong {
@@ -154,9 +154,10 @@
   .protocol-item {
     align-items: stretch;
     flex-direction: column;
+    gap: 14px;
   }
 
   .protocol-actions {
     justify-content: flex-start;
   }
-}
+}
\ No newline at end of file
diff --git a/frontend/src/views/components/ThirdPartyAuthorization/ThirdPartyAuthorization.js b/frontend/src/views/components/ThirdPartyAuthorization/ThirdPartyAuthorization.js
index 2efee64..66e9020 100644
--- a/frontend/src/views/components/ThirdPartyAuthorization/ThirdPartyAuthorization.js
+++ b/frontend/src/views/components/ThirdPartyAuthorization/ThirdPartyAuthorization.js
@@ -10,77 +10,107 @@ export function usePage() {
   const generatedProtocolCode = ref('')
   const generatedProtocol = ref('')
 
-  // ??????????{ imap: 'xxxx', pop3: 'yyyy', smtp: 'zzzz' }
+  // 解密后的各协议授权码明文 { imap: 'xxxx', pop3: 'yyyy', smtp: 'zzzz' }
   const revealedCodes = reactive({})
-  // ???????????????
+  // 是否已完成密码安全验证并展示
   const codesRevealed = ref(false)
 
-  // ????????
+  // 密码验证查看弹窗
   const verifyDialogVisible = ref(false)
   const verifyPassword = ref('')
   const verifyLoading = ref(false)
 
   const notify = (message, type = 'error') => {
     ElNotification({
-      title: type === 'success' ? '????' : '????',
+      title: type === 'success' ? '操作成功' : '操作失败',
       message,
       type,
     })
   }
 
-  const protocolLabel = protocol => ({
-    imap: 'IMAP',
-    pop3: 'POP3',
-    smtp: 'SMTP',
-  }[protocol] || protocol.toUpperCase())
+  const protocolLabel = (protocol = '') => {
+    const map = {
+      smtp: 'SMTP (代发/发信)',
+      imap: 'IMAP (收信/同步)',
+      pop3: 'POP3 (收信)',
+    }
+    return map[protocol.toLowerCase()] || protocol.toUpperCase()
+  }
 
   const loadProtocolCredentials = async () => {
     protocolLoading.value = true
     try {
       const response = await http.get('/api/v1/security/credentials/protocols')
       if (response.errorNo !== 0) {
-        throw new Error(response.errorMsg || '?????????????')
+        throw new Error(response.errorMsg || '读取邮件客户端协议设置失败')
       }
       protocolCredentials.value = Array.isArray(response.data) ? response.data : []
     } catch (error) {
-      notify(error?.message || '?????????????')
+      notify(error?.message || '读取邮件客户端协议设置失败')
     } finally {
       protocolLoading.value = false
     }
   }
 
   const setProtocolEnabled = async (item, enabled) => {
-    if (protocolLoading.value || item.enabled === enabled) return
-    const previous = item.enabled
-    item.enabled = enabled
     protocolLoading.value = true
     try {
-      const response = await http.put('/api/v1/security/credentials/protocols/enabled', {
+      const response = await http.post('/api/v1/security/credentials/protocols/status', {
         protocol: item.protocol,
         enabled,
       })
       if (response.errorNo !== 0) {
-        throw new Error(response.errorMsg || '??????')
+        throw new Error(response.errorMsg || '更新协议开启状态失败')
       }
-      if (!enabled) {
-        if (generatedProtocol.value === item.protocol) {
-          generatedProtocol.value = ''
-          generatedProtocolCode.value = ''
-        }
-        delete revealedCodes[item.protocol]
-      }
-      notify(`${protocolLabel(item.protocol)} ??????????${enabled ? '??' : '??'}`, 'success')
+      notify(`${protocolLabel(item.protocol)} ${enabled ? '已开启' : '已关闭'}`, 'success')
+      await loadProtocolCredentials()
     } catch (error) {
-      item.enabled = previous
-      notify(error?.message || '??????')
+      notify(error?.message || '更新协议开启状态失败')
     } finally {
       protocolLoading.value = false
     }
   }
 
-  const generateProtocolCode = async item => {
-    if (!item.enabled) {
-      notify(`???? ${protocolLabel(item.protocol)} ??`)
+  const copyProtocolCode = async (codeToCopy) => {
+    const targetCode = typeof codeToCopy === 'string' && codeToCopy
+      ? codeToCopy
+      : generatedProtocolCode.value
+
+    if (!targetCode) {
+      notify('未找到可复制的授权码')
+      return
+    }
+
+    try {
+      if (navigator?.clipboard?.writeText) {
+        await navigator.clipboard.writeText(targetCode)
+      } else {
+        const input = document.createElement('input')
+        input.value = targetCode
+        document.body.appendChild(input)
+        input.select()
+        document.execCommand('copy')
+        document.body.removeChild(input)
+      }
+      notify('协议授权码已复制到剪贴板', 'success')
+    } catch (error) {
+      notify('复制失败，请手动选择复制')
+    }
+  }
+
+  const generateProtocolCode = async (item) => {
+    const actionText = item.configured ? '重新生成' : '生成'
+    try {
+      await ElMessageBox.confirm(
+        `确定为 ${protocolLabel(item.protocol)} ${actionText}专属授权码吗？旧授权码将立即失效并更新。`,
+        '安全提示',
+        {
+          confirmButtonText: '确定生成',
+          cancelButtonText: '取消',
+          type: 'warning',
+        }
+      )
+    } catch {
       return
     }
 
@@ -90,114 +120,114 @@ export function usePage() {
         protocol: item.protocol,
       })
       if (response.errorNo !== 0) {
-        throw new Error(response.errorMsg || '???????')
+        throw new Error(response.errorMsg || '生成协议授权码失败')
       }
-      const newCode = response.data?.code || ''
+
+      const newCode = response?.data?.code || ''
       generatedProtocol.value = item.protocol
       generatedProtocolCode.value = newCode
-      item.configured = true
-      // ??????????
+
+      // 自动同步到已解密展示状态，无需再次密码验证
       revealedCodes[item.protocol] = newCode
       codesRevealed.value = true
-      notify(`${protocolLabel(item.protocol)} ???????????`, 'success')
+
+      notify(`${protocolLabel(item.protocol)} 授权码已生成并持久保存`, 'success')
+      await loadProtocolCredentials()
     } catch (error) {
-      notify(error?.message || '???????')
+      notify(error?.message || '生成协议授权码失败')
     } finally {
       protocolLoading.value = false
     }
   }
 
-  const copyProtocolCode = async (code) => {
-    const targetCode = typeof code === 'string' && code ? code : generatedProtocolCode.value
-    if (!targetCode) return
-    try {
-      await navigator.clipboard.writeText(targetCode)
-      notify('??????????', 'success')
-    } catch {
-      notify('?????????????')
-    }
-  }
-
-  const revokeProtocolCode = async item => {
+  const revokeProtocolCode = async (item) => {
     try {
       await ElMessageBox.confirm(
-        `??? ${protocolLabel(item.protocol)} ??????????????`,
-        '???????',
-        { type: 'warning' },
+        `确定撤销 ${protocolLabel(item.protocol)} 的授权码吗？撤销后客户端将无法使用该授权码登录。`,
+        '安全提示',
+        {
+          confirmButtonText: '确定撤销',
+          cancelButtonText: '取消',
+          type: 'warning',
+        }
       )
-      protocolLoading.value = true
+    } catch {
+      return
+    }
+
+    protocolLoading.value = true
+    try {
       const response = await http.post('/api/v1/security/credentials/protocols/revoke', {
         protocol: item.protocol,
       })
       if (response.errorNo !== 0) {
-        throw new Error(response.errorMsg || '???????')
+        throw new Error(response.errorMsg || '撤销协议授权码失败')
       }
-      item.configured = false
+      delete revealedCodes[item.protocol]
       if (generatedProtocol.value === item.protocol) {
         generatedProtocol.value = ''
         generatedProtocolCode.value = ''
       }
-      delete revealedCodes[item.protocol]
-      notify(`${protocolLabel(item.protocol)} ??????`, 'success')
+      notify(`${protocolLabel(item.protocol)} 授权码已撤销`, 'success')
+      await loadProtocolCredentials()
     } catch (error) {
-      if (error !== 'cancel' && error !== 'close') {
-        notify(error?.message || '???????')
-      }
+      notify(error?.message || '撤销协议授权码失败')
     } finally {
       protocolLoading.value = false
     }
   }
 
-  // ????????
+  // 密码验证弹窗控制
   const openVerifyDialog = () => {
     verifyPassword.value = ''
     verifyDialogVisible.value = true
   }
 
-  // ????????
   const closeVerifyDialog = () => {
-    verifyPassword.value = ''
     verifyDialogVisible.value = false
+    verifyPassword.value = ''
   }
 
-  // ????????????????
+  // 提交登录密码验证并解密回显
   const submitVerifyAndReveal = async () => {
-    if (!verifyPassword.value.trim()) {
-      notify('???????????????')
+    const password = verifyPassword.value.trim()
+    if (!password) {
+      notify('请输入当前账号登录密码')
       return
     }
 
     verifyLoading.value = true
     try {
       const response = await http.post('/api/v1/security/credentials/protocols/reveal', {
-        password: verifyPassword.value,
+        password,
       })
       if (response.errorNo !== 0) {
-        throw new Error(response.errorMsg || '????????')
+        throw new Error(response.errorMsg || '密码验证失败，无法查看授权码')
       }
-      const data = response.data || {}
+
+      const codes = response.data?.codes || {}
       Object.keys(revealedCodes).forEach(k => delete revealedCodes[k])
-      Object.assign(revealedCodes, data)
+      Object.assign(revealedCodes, codes)
       codesRevealed.value = true
       closeVerifyDialog()
-      notify('???????????????', 'success')
+      notify('安全验证通过，授权码已解密显示', 'success')
     } catch (error) {
-      notify(error?.message || '????????')
+      notify(error?.message || '验证失败，请检查密码是否正确')
     } finally {
       verifyLoading.value = false
     }
   }
 
-  // ???????????
+  // 安全隐藏授权码
   const hideRevealedCodes = () => {
-    codesRevealed.value = false
     Object.keys(revealedCodes).forEach(k => delete revealedCodes[k])
-    generatedProtocolCode.value = ''
-    generatedProtocol.value = ''
-    notify('????????', 'success')
+    codesRevealed.value = false
+    notify('已恢复安全隐藏保护', 'info')
   }
 
-  onMounted(loadProtocolCredentials)
+  onMounted(() => {
+    loadProtocolCredentials()
+  })
 
   return {
     protocolLoading,
@@ -219,4 +249,4 @@ export function usePage() {
     submitVerifyAndReveal,
     hideRevealedCodes,
   }
-}
+}
\ No newline at end of file
diff --git a/frontend/src/views/components/ThirdPartyAuthorization/ThirdPartyAuthorization.vue b/frontend/src/views/components/ThirdPartyAuthorization/ThirdPartyAuthorization.vue
index 60e0e3c..0dddc4f 100644
--- a/frontend/src/views/components/ThirdPartyAuthorization/ThirdPartyAuthorization.vue
+++ b/frontend/src/views/components/ThirdPartyAuthorization/ThirdPartyAuthorization.vue
@@ -3,9 +3,9 @@
     <section class="authorization-section">
       <div class="authorization-header">
         <div class="header-main">
-          <h3>???????</h3>
+          <h3>邮件客户端协议</h3>
           <p class="authorization-desc">
-            ?? IMAP?POP3?SMTP ????????????????????????????
+            为 IMAP、POP3、SMTP 配置专属授权码，平时安全隐藏，验证密码后可查看或复制。
           </p>
         </div>
         <div class="header-actions">
@@ -16,7 +16,7 @@
             size="small"
             @click="openVerifyDialog"
           >
-            ?????????
+            安全验证查看授权码
           </el-button>
           <el-button
             v-else-if="codesRevealed"
@@ -25,13 +25,13 @@
             size="small"
             @click="hideRevealedCodes"
           >
-            ???????
+            安全隐藏授权码
           </el-button>
         </div>
       </div>
 
       <el-alert
-        title="???????????????????????????????????????????????????????????????"
+        title="使用完整邮箱地址作为登录名，专属授权码作为密码。授权码平时处于加密保护状态，验证密码后可完整查看与一键复制。"
         type="info"
         :closable="false"
         show-icon
@@ -47,16 +47,16 @@
             <div class="protocol-title">
               <strong>{{ protocolLabel(item.protocol) }}</strong>
               <el-tag size="small" :type="item.enabled ? 'success' : 'info'">
-                {{ item.enabled ? '???' : '???' }}
+                {{ item.enabled ? '已开启' : '已关闭' }}
               </el-tag>
               <el-tag size="small" :type="item.configured ? 'success' : 'warning'">
-                {{ item.configured ? '??????' : '??????' }}
+                {{ item.configured ? '已配置授权码' : '未生成授权码' }}
               </el-tag>
             </div>
-            <p class="protocol-guide">???????????????????????</p>
+            <p class="protocol-guide">登录名：完整邮箱地址；密码：本协议专属授权码。</p>
 
             <div class="protocol-credential-slot">
-              <span class="slot-label">??????</span>
+              <span class="slot-label">当前授权码：</span>
               <template v-if="item.configured">
                 <template v-if="codesRevealed && revealedCodes[item.protocol]">
                   <code class="revealed-code">{{ revealedCodes[item.protocol] }}</code>
@@ -67,11 +67,11 @@
                     class="copy-btn"
                     @click="copyProtocolCode(revealedCodes[item.protocol])"
                   >
-                    ??
+                    复制
                   </el-button>
                 </template>
                 <template v-else>
-                  <span class="masked-code">????????????????</span>
+                  <span class="masked-code">••••••••••••••••</span>
                   <el-button
                     type="primary"
                     link
@@ -79,12 +79,12 @@
                     class="reveal-btn"
                     @click="openVerifyDialog"
                   >
-                    ??????
+                    验证查看
                   </el-button>
                 </template>
               </template>
               <template v-else>
-                <span class="unconfigured-tip">???????????????????</span>
+                <span class="unconfigured-tip">尚未生成专属授权码，请点击右侧生成</span>
               </template>
             </div>
           </div>
@@ -93,9 +93,9 @@
             <el-switch
               :model-value="item.enabled"
               :loading="protocolLoading"
-              active-text="??"
-              inactive-text="??"
-              :aria-label="`${protocolLabel(item.protocol)} ?????????`"
+              active-text="开启"
+              inactive-text="关闭"
+              :aria-label="`${protocolLabel(item.protocol)} 当前账号客户端访问`"
               @change="value => setProtocolEnabled(item, value)"
             />
             <el-button
@@ -104,7 +104,7 @@
               :disabled="!item.enabled"
               @click="generateProtocolCode(item)"
             >
-              {{ item.configured ? '???????' : '?????' }}
+              {{ item.configured ? '重新生成授权码' : '生成授权码' }}
             </el-button>
             <el-button
               v-if="item.configured"
@@ -113,17 +113,17 @@
               size="small"
               @click="revokeProtocolCode(item)"
             >
-              ?????
+              撤销授权码
             </el-button>
           </div>
         </div>
       </div>
     </section>
 
-    <!-- ???????? -->
+    <!-- 密码验证弹窗 -->
     <el-dialog
       v-model="verifyDialogVisible"
-      title="??????"
+      title="安全身份验证"
       width="min(440px, calc(100vw - 32px))"
       :close-on-click-modal="false"
       class="verify-reveal-dialog"
@@ -131,15 +131,15 @@
     >
       <div class="verify-dialog-body">
         <p class="verify-dialog-tip">
-          ?????????????????????????????????
+          查看已持久保存的协议授权码前，请先验证当前账号的登录密码：
         </p>
         <el-form @submit.prevent="submitVerifyAndReveal">
-          <el-form-item label="??????">
+          <el-form-item label="登录密码">
             <el-input
               v-model="verifyPassword"
               type="password"
               show-password
-              placeholder="???????????"
+              placeholder="请输入当前账号登录密码"
               autocomplete="current-password"
               @keyup.enter="submitVerifyAndReveal"
             />
@@ -148,14 +148,14 @@
       </div>
       <template #footer>
         <div class="verify-dialog-footer">
-          <el-button @click="closeVerifyDialog">??</el-button>
+          <el-button @click="closeVerifyDialog">取消</el-button>
           <el-button
             type="primary"
             :loading="verifyLoading"
             :disabled="!verifyPassword.trim()"
             @click="submitVerifyAndReveal"
           >
-            ???????
+            验证并查看授权码
           </el-button>
         </div>
       </template>
@@ -192,4 +192,4 @@ const hasConfiguredProtocols = computed(() =>
 )
 </script>
 
-<style scoped src="./ThirdPartyAuthorization.css"></style>
+<style scoped src="./ThirdPartyAuthorization.css"></style>
\ No newline at end of file