diff --git a/README-EN.md b/README-EN.md
index 19e9ff2..d7ac1c8 100644
--- a/README-EN.md
+++ b/README-EN.md
@@ -1,7 +1,7 @@
 <div align="center" id="trendradar">
 
 <a href="https://github.com/sansan0/TrendRadar" title="TrendRadar">
-  <img src="/_image/banner.jpg" alt="TrendRadar Banner" width="50%">
+  <img src="/_image/banner.webp" alt="TrendRadar Banner" width="80%">
 </a>
 
 🚀 Deploy in <strong>30 seconds</strong> — Your Smart Trending News Assistant
@@ -841,8 +841,16 @@ frequency_words.txt file added **required word** feature, using + sign
    | **126 Mail** | 126.com | smtp.126.com | 465 | SSL |
    | **Sina Mail** | sina.com | smtp.sina.com | 465 | SSL |
    | **Sohu Mail** | sohu.com | smtp.sohu.com | 465 | SSL |
+   | **189 Mail** | 189.cn | smtp.189.cn | 465 | SSL |
 
    > **Auto-detect**: When using above emails, no need to manually configure `EMAIL_SMTP_SERVER` and `EMAIL_SMTP_PORT`, system auto-detects.
+   >
+   > **Feedback Notice**:
+   > - If you successfully test with **other email providers**, please open an [Issue](https://github.com/sansan0/TrendRadar/issues) to let us know, we'll add to support list
+   > - If above email configurations are incorrect or unusable, please also open an [Issue](https://github.com/sansan0/TrendRadar/issues) for feedback to help improve the project
+   >
+   > **Special Thanks**:
+   > - Thanks to [@DYZYD](https://github.com/DYZYD) for contributing 189 Mail (189.cn) configuration and completing self-send-receive testing ([#291](https://github.com/sansan0/TrendRadar/issues/291))
 
    **Common Email Settings:**
 
diff --git a/README.md b/README.md
index e886585..ecafa61 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 <div align="center" id="trendradar">
 
 <a href="https://github.com/sansan0/TrendRadar" title="TrendRadar">
-  <img src="/_image/banner.jpg" alt="TrendRadar Banner" width="50%">
+  <img src="/_image/banner.webp" alt="TrendRadar Banner" width="80%">
 </a>
 
 🚀 最快<strong>30秒</strong>部署的热点助手 —— 告别无效刷屏，只看真正关心的新闻资讯
@@ -897,12 +897,16 @@ frequency_words.txt 文件增加了一个【必须词】功能，使用 + 号
    | **126邮箱** | 126.com | smtp.126.com | 465 | SSL |
    | **新浪邮箱** | sina.com | smtp.sina.com | 465 | SSL |
    | **搜狐邮箱** | sohu.com | smtp.sohu.com | 465 | SSL |
+   | **天翼邮箱** | 189.cn | smtp.189.cn | 465 | SSL |
 
    > **自动识别**：使用以上邮箱时，无需手动配置 `EMAIL_SMTP_SERVER` 和 `EMAIL_SMTP_PORT`，系统会自动识别。
    >
    > **反馈说明**：
    > - 如果你使用**其他邮箱**测试成功，欢迎开 [Issues](https://github.com/sansan0/TrendRadar/issues) 告知，我会添加到支持列表
    > - 如果上述邮箱配置有误或无法使用，也请开 [Issues](https://github.com/sansan0/TrendRadar/issues) 反馈，帮助改进项目
+   >
+   > **特别感谢**：
+   > - 感谢 [@DYZYD](https://github.com/DYZYD) 贡献天翼邮箱（189.cn）配置并完成自发自收测试 ([#291](https://github.com/sansan0/TrendRadar/issues/291))
 
    **常见邮箱设置：**
 
diff --git a/_image/banner.jpg b/_image/banner.jpg
deleted file mode 100644
index fec0bf8..0000000
Binary files a/_image/banner.jpg and /dev/null differ
diff --git a/_image/banner.webp b/_image/banner.webp
new file mode 100644
index 0000000..477af5d
Binary files /dev/null and b/_image/banner.webp differ
diff --git a/main.py b/main.py
index fbf292f..5080b91 100644
--- a/main.py
+++ b/main.py
@@ -48,6 +48,8 @@ SMTP_CONFIGS = {
     "sina.com": {"server": "smtp.sina.com", "port": 465, "encryption": "SSL"},
     # 搜狐邮箱（使用 SSL）
     "sohu.com": {"server": "smtp.sohu.com", "port": 465, "encryption": "SSL"},
+    # 天翼邮箱（使用 SSL）
+    "189.cn": {"server": "smtp.189.cn", "port": 465, "encryption": "SSL"},
 }