diff --git a/test/tools/debug_editer_validation.py b/test/tools/debug_editer_validation.py
new file mode 100644
index 0000000..86adb21
--- /dev/null
+++ b/test/tools/debug_editer_validation.py
@@ -0,0 +1,60 @@
+# -*- coding: utf-8 -*-
+import os, sys
+from playwright.sync_api import sync_playwright
+
+with sync_playwright() as p:
+    browser = p.chromium.launch(
+        headless=True,
+        args=[
+            '--no-sandbox',
+            '--ignore-certificate-errors',
+            '--host-resolver-rules=MAP mail.solit.cn 47.108.78.12, MAP solit.cn 47.108.78.12'
+        ]
+    )
+    context = browser.new_context(viewport={'width': 1440, 'height': 900}, ignore_https_errors=True)
+    page = context.new_page()
+
+    page.goto('https://mail.solit.cn/#/login', wait_until='networkidle')
+    inputs = page.locator('.login-content input')
+    inputs.nth(0).fill('xuans')
+    inputs.nth(1).fill('12345678')
+    page.locator('button.login-btn').click()
+    page.wait_for_timeout(2500)
+
+    page.goto('https://mail.solit.cn/#/editer', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+
+    # 打印页面上的 sender 相关信息
+    sender_text = page.locator('.sender-selector').inner_text()
+    print('Sender text:', repr(sender_text))
+
+    # 尝试用正确的选择器选 input
+    input_elem = page.locator('.border-less-select input').first
+    input_elem.click()
+    page.keyboard.type('testuser2@solit.cn')
+    page.wait_for_timeout(500)
+    page.keyboard.press('Enter')
+    page.wait_for_timeout(500)
+
+    tags = page.locator('.border-less-select .el-tag')
+    print('Tags after typing & Enter:', tags.count())
+    if tags.count() > 0:
+        print('Tag content:', tags.first.inner_text())
+
+    # 填写主题
+    page.locator('.subject-row input').fill('自动化验证测试邮件')
+
+    # 填写正文
+    page.locator('.editor-content').click()
+    page.keyboard.type('正文内容...')
+    page.wait_for_timeout(500)
+
+    page.locator('.send-btn').click()
+    page.wait_for_timeout(1000)
+
+    errors = page.locator('.el-form-item__error')
+    print('Form errors count:', errors.count())
+    for i in range(errors.count()):
+        print('Error', i, ':', errors.nth(i).inner_text())
+
+    browser.close()
diff --git a/test/tools/run_acceptance_suite.py b/test/tools/run_acceptance_suite.py
new file mode 100644
index 0000000..093dfe7
--- /dev/null
+++ b/test/tools/run_acceptance_suite.py
@@ -0,0 +1,79 @@
+# -*- coding: utf-8 -*-
+import os, sys
+from playwright.sync_api import sync_playwright
+
+output_dir = os.path.join(os.getcwd(), 'test-log', 'acceptance_contact_security')
+os.makedirs(output_dir, exist_ok=True)
+
+with sync_playwright() as p:
+    browser = p.chromium.launch(
+        headless=True,
+        args=[
+            '--no-sandbox',
+            '--ignore-certificate-errors',
+            '--host-resolver-rules=MAP mail.solit.cn 47.108.78.12, MAP solit.cn 47.108.78.12'
+        ]
+    )
+    context = browser.new_context(viewport={'width': 1440, 'height': 900}, ignore_https_errors=True)
+    page = context.new_page()
+
+    # 1. 登录
+    print('--- Step 1: Login ---')
+    page.goto('https://mail.solit.cn/#/login', wait_until='networkidle')
+    inputs = page.locator('.login-content input')
+    inputs.nth(0).fill('xuans')
+    inputs.nth(1).fill('12345678')
+    page.locator('button.login-btn').click()
+    page.wait_for_timeout(2500)
+    page.screenshot(path=os.path.join(output_dir, '01_logged_in.png'))
+    print('Logged in, URL:', page.url)
+
+    # 2. 验证收件箱安全提示
+    print('--- Step 2: Inbox Security Tags ---')
+    page.goto('https://mail.solit.cn/#/list?tag=0', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+    page.screenshot(path=os.path.join(output_dir, '02_inbox_list.png'))
+
+    danger_tags = page.locator('.mail-status-tags .el-tag--danger')
+    print('Inbox danger tag count:', danger_tags.count())
+    for i in range(danger_tags.count()):
+        print('Danger tag text:', danger_tags.nth(i).inner_text())
+
+    # 3. 验证发件箱状态标签与错误详情
+    print('--- Step 3: Outbox Status Tags & Error Dialog ---')
+    page.goto('https://mail.solit.cn/#/list?tag=1', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+    page.screenshot(path=os.path.join(output_dir, '03_outbox_list.png'))
+    success_tags = page.locator('.mail-status-tags .el-tag--success')
+    fail_tags = page.locator('.mail-status-tags .el-tag--danger')
+    print('Outbox success tag count:', success_tags.count())
+    print('Outbox fail tag count:', fail_tags.count())
+
+    if fail_tags.count() > 0:
+        print('Clicking fail tag...')
+        fail_tags.first.click()
+        page.wait_for_timeout(1000)
+        page.screenshot(path=os.path.join(output_dir, '04_outbox_error_dialog.png'))
+        close_btn = page.locator('.el-dialog button')
+        if close_btn.count() > 0:
+            close_btn.first.click()
+            page.wait_for_timeout(500)
+
+    # 4. 验证写信页联系人
+    print('--- Step 4: Editer Page Contacts ---')
+    page.goto('https://mail.solit.cn/#/editer', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+    page.screenshot(path=os.path.join(output_dir, '05_editer_page.png'))
+
+    select_input = page.locator('.border-less-select')
+    select_input.click()
+    page.wait_for_timeout(800)
+    page.screenshot(path=os.path.join(output_dir, '06_editer_contacts_dropdown.png'))
+
+    dropdown_items = page.locator('.el-select-dropdown__item')
+    print('Dropdown items count:', dropdown_items.count())
+    for i in range(dropdown_items.count()):
+        print('Item:', dropdown_items.nth(i).inner_text())
+
+    browser.close()
+    print('Acceptance check finished.')
diff --git a/test/tools/run_full_acceptance.py b/test/tools/run_full_acceptance.py
new file mode 100644
index 0000000..d9f9606
--- /dev/null
+++ b/test/tools/run_full_acceptance.py
@@ -0,0 +1,90 @@
+# -*- coding: utf-8 -*-
+import os, sys
+from playwright.sync_api import sync_playwright
+
+output_dir = os.path.join(os.getcwd(), 'test-log', 'acceptance_contact_security')
+os.makedirs(output_dir, exist_ok=True)
+
+with sync_playwright() as p:
+    browser = p.chromium.launch(
+        headless=True,
+        args=[
+            '--no-sandbox',
+            '--ignore-certificate-errors',
+            '--host-resolver-rules=MAP mail.solit.cn 47.108.78.12, MAP solit.cn 47.108.78.12'
+        ]
+    )
+    context = browser.new_context(viewport={'width': 1440, 'height': 900}, ignore_https_errors=True)
+    page = context.new_page()
+
+    # 1. 登录 xuans
+    print('1. 登录 xuans...')
+    page.goto('https://mail.solit.cn/#/login', wait_until='networkidle')
+    inputs = page.locator('.login-content input')
+    inputs.nth(0).fill('xuans')
+    inputs.nth(1).fill('12345678')
+    page.locator('button.login-btn').click()
+    page.wait_for_timeout(2500)
+
+    # 2. 检查收件箱中的信任发件人交互
+    print('2. 检查收件箱信任操作...')
+    page.goto('https://mail.solit.cn/#/list?tag=0', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+    
+    danger_tags = page.locator('.mail-status-tags .el-tag--danger')
+    print('当前收件箱疑似不安全标签数量:', danger_tags.count())
+    if danger_tags.count() > 0:
+        print('点击第一个不安全标签...')
+        danger_tags.first.click()
+        page.wait_for_timeout(500)
+        page.screenshot(path=os.path.join(output_dir, '30_trust_sender_confirm_box.png'))
+
+        confirm_btn = page.locator('.el-message-box .el-button--primary')
+        print('确认按钮数量:', confirm_btn.count())
+        confirm_btn.click()
+        page.wait_for_timeout(1500)
+        page.screenshot(path=os.path.join(output_dir, '31_after_trusted.png'))
+
+    # 3. 检查发件箱标签
+    print('3. 检查发件箱...')
+    page.goto('https://mail.solit.cn/#/list?tag=%7B%22type%22%3A1%2C%22status%22%3A-1%7D', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+    page.screenshot(path=os.path.join(output_dir, '32_outbox_view.png'))
+
+    # 4. 进入写信页，测试删除联系人
+    print('4. 写信页测试删除联系人...')
+    page.goto('https://mail.solit.cn/#/editer', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+
+    wrapper = page.locator('.border-less-select .el-select__wrapper')
+    wrapper.click()
+    page.wait_for_timeout(500)
+
+    del_icon = page.locator('.contact-del-icon:visible')
+    print('删除图标数量:', del_icon.count())
+    if del_icon.count() > 0:
+        del_icon.first.click()
+        page.wait_for_timeout(1000)
+        page.screenshot(path=os.path.join(output_dir, '33_after_delete_contact.png'))
+
+    # 5. 验证多租户隔离：登录 testuser2
+    print('5. 验证多租户隔离...')
+    page.goto('https://mail.solit.cn/#/login', wait_until='networkidle')
+    inputs = page.locator('.login-content input')
+    inputs.nth(0).fill('testuser2')
+    inputs.nth(1).fill('12345678')
+    page.locator('button.login-btn').click()
+    page.wait_for_timeout(2500)
+
+    page.goto('https://mail.solit.cn/#/editer', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+
+    wrapper = page.locator('.border-less-select .el-select__wrapper')
+    wrapper.click()
+    page.wait_for_timeout(500)
+    page.screenshot(path=os.path.join(output_dir, '34_testuser2_contacts_dropdown.png'))
+    user2_items = page.locator('.el-select-dropdown__item:visible')
+    print('testuser2 联系人下拉选项数:', user2_items.count())
+
+    browser.close()
+    print('验收流程全部执行完毕！')
diff --git a/test/tools/test_select_behavior.py b/test/tools/test_select_behavior.py
new file mode 100644
index 0000000..7c9211a
--- /dev/null
+++ b/test/tools/test_select_behavior.py
@@ -0,0 +1,56 @@
+# -*- coding: utf-8 -*-
+import os, sys
+from playwright.sync_api import sync_playwright
+
+with sync_playwright() as p:
+    browser = p.chromium.launch(
+        headless=True,
+        args=[
+            '--no-sandbox',
+            '--ignore-certificate-errors',
+            '--host-resolver-rules=MAP mail.solit.cn 47.108.78.12, MAP solit.cn 47.108.78.12'
+        ]
+    )
+    context = browser.new_context(viewport={'width': 1440, 'height': 900}, ignore_https_errors=True)
+    page = context.new_page()
+
+    page.goto('https://mail.solit.cn/#/login', wait_until='networkidle')
+    inputs = page.locator('.login-content input')
+    inputs.nth(0).fill('xuans')
+    inputs.nth(1).fill('12345678')
+    page.locator('button.login-btn').click()
+    page.wait_for_timeout(2500)
+
+    page.goto('https://mail.solit.cn/#/editer', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+
+    # 观察 el-select 结构
+    wrapper = page.locator('.border-less-select .el-select__wrapper')
+    print('Wrapper count:', wrapper.count())
+    wrapper.click()
+    page.wait_for_timeout(500)
+    
+    # 打印当前 active 元素或者向页面输入
+    page.keyboard.type('testuser2@solit.cn')
+    page.wait_for_timeout(500)
+    page.screenshot(path='test-log/typing_step1.png')
+
+    # 查看下拉菜单是否有内容
+    dropdown_visible = page.locator('.el-select-dropdown:visible')
+    print('Dropdown visible:', dropdown_visible.count())
+    items = page.locator('.el-select-dropdown__item:visible')
+    print('Dropdown items count:', items.count())
+    for i in range(items.count()):
+        print('Item', i, ':', items.nth(i).inner_text())
+
+    # 按 Enter
+    page.keyboard.press('Enter')
+    page.wait_for_timeout(500)
+    page.screenshot(path='test-log/after_enter.png')
+
+    tags = page.locator('.border-less-select .el-tag')
+    print('Tags after enter:', tags.count())
+    for i in range(tags.count()):
+        print('Tag', i, ':', tags.nth(i).inner_text())
+
+    browser.close()
diff --git a/test/tools/test_send_and_check_contact.py b/test/tools/test_send_and_check_contact.py
new file mode 100644
index 0000000..4a33d47
--- /dev/null
+++ b/test/tools/test_send_and_check_contact.py
@@ -0,0 +1,70 @@
+# -*- coding: utf-8 -*-
+import os, sys, time
+from playwright.sync_api import sync_playwright
+
+output_dir = os.path.join(os.getcwd(), 'test-log', 'acceptance_contact_security')
+os.makedirs(output_dir, exist_ok=True)
+
+with sync_playwright() as p:
+    browser = p.chromium.launch(
+        headless=True,
+        args=[
+            '--no-sandbox',
+            '--ignore-certificate-errors',
+            '--host-resolver-rules=MAP mail.solit.cn 47.108.78.12, MAP solit.cn 47.108.78.12'
+        ]
+    )
+    context = browser.new_context(viewport={'width': 1440, 'height': 900}, ignore_https_errors=True)
+    page = context.new_page()
+
+    # 登录
+    print('1. 登录 xuans...')
+    page.goto('https://mail.solit.cn/#/login', wait_until='networkidle')
+    inputs = page.locator('.login-content input')
+    inputs.nth(0).fill('xuans')
+    inputs.nth(1).fill('12345678')
+    page.locator('button.login-btn').click()
+    page.wait_for_timeout(2500)
+
+    # 打开写信页
+    print('2. 前往写信页...')
+    page.goto('https://mail.solit.cn/#/editer', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+
+    # 填写收件人
+    select_box = page.locator('.border-less-select')
+    select_box.click()
+    page.wait_for_timeout(300)
+    page.keyboard.type('testuser2@solit.cn')
+    page.wait_for_timeout(500)
+    page.keyboard.press('Enter')
+    page.wait_for_timeout(500)
+
+    # 填写主题
+    page.locator('.subject-row input').fill('自动化联系人验证测试')
+    # 填写正文
+    page.locator('.editor-content').click()
+    page.keyboard.type('测试正文：验证发信后收件人是否记录入库。')
+    page.wait_for_timeout(500)
+
+    print('3. 点击发送...')
+    page.locator('.send-btn').click()
+    page.wait_for_timeout(4000)
+    page.screenshot(path=os.path.join(output_dir, '10_sent_first_mail.png'))
+
+    # 再次前往写信页，查看下拉列表
+    print('4. 重新进入写信页，查看历史联系人下拉...')
+    page.goto('https://mail.solit.cn/#/editer', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+
+    select_box = page.locator('.border-less-select')
+    select_box.click()
+    page.wait_for_timeout(800)
+    page.screenshot(path=os.path.join(output_dir, '11_contacts_dropdown_after_send.png'))
+
+    items = page.locator('.el-select-dropdown__item:visible')
+    print('下拉数量:', items.count())
+    for i in range(items.count()):
+        print('Item', i, ':', items.nth(i).inner_text())
+
+    browser.close()
diff --git a/test/tools/test_send_debug_log.py b/test/tools/test_send_debug_log.py
new file mode 100644
index 0000000..12a0308
--- /dev/null
+++ b/test/tools/test_send_debug_log.py
@@ -0,0 +1,63 @@
+# -*- coding: utf-8 -*-
+import os, sys
+from playwright.sync_api import sync_playwright
+
+with sync_playwright() as p:
+    browser = p.chromium.launch(
+        headless=True,
+        args=[
+            '--no-sandbox',
+            '--ignore-certificate-errors',
+            '--host-resolver-rules=MAP mail.solit.cn 47.108.78.12, MAP solit.cn 47.108.78.12'
+        ]
+    )
+    context = browser.new_context(viewport={'width': 1440, 'height': 900}, ignore_https_errors=True)
+    page = context.new_page()
+
+    page.on('console', lambda msg: print('[CONSOLE]', msg.type, msg.text))
+    page.on('pageerror', lambda err: print('[PAGE ERROR]', err))
+    page.on('response', lambda res: print('[NET RES]', res.status, res.url) if '/api/' in res.url else None)
+
+    page.goto('https://mail.solit.cn/#/login', wait_until='networkidle')
+    inputs = page.locator('.login-content input')
+    inputs.nth(0).fill('xuans')
+    inputs.nth(1).fill('12345678')
+    page.locator('button.login-btn').click()
+    page.wait_for_timeout(2500)
+
+    page.goto('https://mail.solit.cn/#/editer', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+
+    # 选择收件人
+    wrapper = page.locator('.border-less-select .el-select__wrapper')
+    wrapper.click()
+    page.wait_for_timeout(300)
+    page.keyboard.type('testuser2@solit.cn')
+    page.wait_for_timeout(500)
+    
+    item = page.locator('.el-select-dropdown__item:visible').first
+    item.click()
+    page.wait_for_timeout(500)
+
+    tags = page.locator('.border-less-select .el-tag')
+    print('Tags count:', tags.count())
+
+    # 填写主题
+    page.locator('.subject-row input').fill('自动化测试验证收件人')
+
+    # 填写正文
+    page.locator('.editor-content').click()
+    page.keyboard.type('测试正文内容123456')
+    page.wait_for_timeout(500)
+
+    print('Clicking send...')
+    page.locator('.send-btn').click()
+    page.wait_for_timeout(4000)
+
+    print('After click send, URL:', page.url)
+    errors = page.locator('.el-form-item__error')
+    print('Errors count:', errors.count())
+    for i in range(errors.count()):
+        print('Error text:', errors.nth(i).inner_text())
+
+    browser.close()
diff --git a/test/tools/test_verify_dropdown.py b/test/tools/test_verify_dropdown.py
new file mode 100644
index 0000000..424a333
--- /dev/null
+++ b/test/tools/test_verify_dropdown.py
@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+import os, sys
+from playwright.sync_api import sync_playwright
+
+with sync_playwright() as p:
+    browser = p.chromium.launch(
+        headless=True,
+        args=[
+            '--no-sandbox',
+            '--ignore-certificate-errors',
+            '--host-resolver-rules=MAP mail.solit.cn 47.108.78.12, MAP solit.cn 47.108.78.12'
+        ]
+    )
+    context = browser.new_context(viewport={'width': 1440, 'height': 900}, ignore_https_errors=True)
+    page = context.new_page()
+
+    page.goto('https://mail.solit.cn/#/login', wait_until='networkidle')
+    inputs = page.locator('.login-content input')
+    inputs.nth(0).fill('xuans')
+    inputs.nth(1).fill('12345678')
+    page.locator('button.login-btn').click()
+    page.wait_for_timeout(2500)
+
+    page.goto('https://mail.solit.cn/#/editer', wait_until='networkidle')
+    page.wait_for_timeout(2000)
+
+    # 展开下拉列表
+    wrapper = page.locator('.border-less-select .el-select__wrapper')
+    wrapper.click()
+    page.wait_for_timeout(500)
+
+    items = page.locator('.el-select-dropdown__item:visible')
+    print('Dropdown items count:', items.count())
+    for i in range(items.count()):
+        print('Item', i, ':', items.nth(i).inner_text())
+
+    # 截图
+    page.screenshot(path='test-log/contacts_dropdown_rendered.png')
+
+    browser.close()