diff --git a/routes_email.py b/routes_email.py
index 20de52d..9f7c854 100644
--- a/routes_email.py
+++ b/routes_email.py
@@ -32,20 +32,22 @@ def register_email_routes(app):
             # SMTP配置 (从环境变量或默认值)
             smtp_host = os.environ.get('SMTP_HOST', 'mail.tphai.com')
             smtp_port = int(os.environ.get('SMTP_PORT', 587))
-            smtp_user = os.environ.get('SMTP_USER', 'favor@tphai.com')
-            smtp_pass = os.environ.get('SMTP_PASS', 'favor@!')
+            smtp_user = os.environ.get('SMTP_USER', 'hz4th_coder@tphai.com')
+            smtp_pass = os.environ.get('SMTP_PASS', 'hz4th_coder@!')
             
             # 创建邮件
             msg = MIMEMultipart()
-            msg['From'] = smtp_user
+            from email.utils import formataddr
+            msg['From'] = formataddr(('黄庄4号程序员', smtp_user))
             msg['To'] = to_email
             msg['Subject'] = subject
             
             # 添加正文
             msg.attach(MIMEText(body, 'plain', 'utf-8'))
             
-            # 发送邮件
+            # 发送邮件（无SSL模式，需要先ehlo）
             server = smtplib.SMTP(smtp_host, smtp_port)
+            server.ehlo()
             server.login(smtp_user, smtp_pass)
             server.send_message(msg)
             server.quit()