diff --git a/build/docker/conf/templates/user/balanceReminder.html b/build/docker/conf/templates/user/balanceReminder.html
new file mode 100644
index 0000000..9c34074
--- /dev/null
+++ b/build/docker/conf/templates/user/balanceReminder.html
@@ -0,0 +1,70 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Verification Code</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            line-height: 1.6;
+            color: #333333;
+            margin: 0;
+            padding: 0;
+        }
+        .container {
+            max-width: 600px;
+            margin: 0 auto;
+            padding: 20px;
+        }
+        .header {
+            text-align: center;
+            padding: 20px 0;
+        }
+        .code-box {
+            background-color: #f8f8f8;
+            padding: 20px;
+            text-align: center;
+            margin: 20px 0;
+            border-radius: 5px;
+        }
+        .verification-code {
+            font-size: 32px;
+            font-weight: bold;
+            letter-spacing: 5px;
+            color: #2b2b2b;
+        }
+        .footer {
+            font-size: 12px;
+            color: #666666;
+            text-align: center;
+            margin-top: 30px;
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h2>Balance Reminder</h2>
+        </div>
+        
+        <p>Dear User,</p>
+        
+        <p>Thank you for using our service. We want to inform you that from now on, your balance is less than <span th:text="${currencySymbol}">$</span><span th:text="${threshold}">10</span>.</p>
+        
+        <div class="code-box">
+            <div> <strong>Balance:</strong> <span th:text="${currencySymbol}">$</span><span th:text="${balance}">100</span></div>
+        </div>
+        
+        <p>To avoid service interruption, please recharge in time.</p>
+        
+        <p>Best regards,<br>
+        Your Company Name</p>
+        
+        <div class="footer">
+            <p>This is an automated message, please do not reply to this email</p>
+            <p>&copy; 2024 Your Company Name. All rights reserved.</p>
+        </div>
+    </div>
+</body>
+</html>
\ No newline at end of file
diff --git a/build/docker/conf/templates/user/trafficReminder.html b/build/docker/conf/templates/user/trafficReminder.html
new file mode 100644
index 0000000..1458807
--- /dev/null
+++ b/build/docker/conf/templates/user/trafficReminder.html
@@ -0,0 +1,71 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Verification Code</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            line-height: 1.6;
+            color: #333333;
+            margin: 0;
+            padding: 0;
+        }
+        .container {
+            max-width: 600px;
+            margin: 0 auto;
+            padding: 20px;
+        }
+        .header {
+            text-align: center;
+            padding: 20px 0;
+        }
+        .code-box {
+            background-color: #f8f8f8;
+            padding: 20px;
+            text-align: center;
+            margin: 20px 0;
+            border-radius: 5px;
+        }
+        .verification-code {
+            font-size: 32px;
+            font-weight: bold;
+            letter-spacing: 5px;
+            color: #2b2b2b;
+        }
+        .footer {
+            font-size: 12px;
+            color: #666666;
+            text-align: center;
+            margin-top: 30px;
+        }
+    </style>
+</head>
+<body>
+    <div class="container">
+        <div class="header">
+            <h2>Traffic Reminder</h2>
+        </div>
+        
+        <p>Dear User,</p>
+        
+        <p>Thank you for using our service. We want to inform you that from now on, your package traffic is less than <span th:text="${threshold}">10</span>%.</p>
+        
+        <div class="code-box">
+            <div> <strong>Total Traffic:</strong> <span th:text="${totalTraffic}">10 GB</span></div>
+            <div> <strong>Used Traffic:</strong> <span th:text="${usedTraffic}">1 GB</span></div>
+        </div>
+        
+        <p>To avoid service interruption, please purchase the package in time.</p>
+        
+        <p>Best regards,<br>
+        Your Company Name</p>
+        
+        <div class="footer">
+            <p>This is an automated message, please do not reply to this email</p>
+            <p>&copy; 2024 Your Company Name. All rights reserved.</p>
+        </div>
+    </div>
+</body>
+</html>
\ No newline at end of file
diff --git a/build/docker/wfc/gateway/dockerfile b/build/docker/wfc/gateway/dockerfile
index fa30d21..59dd525 100644
--- a/build/docker/wfc/gateway/dockerfile
+++ b/build/docker/wfc/gateway/dockerfile
@@ -9,6 +9,10 @@ RUN ln -snf /usr/share/zoneinfo/$TZ /etc/localtime && echo $TZ > /etc/timezone
 ENV LANG en_US.UTF-8
 ENV LANGUAGE en_US:en
 ENV LC_ALL en_US.UTF-8
+
+# 设置华为云源
+RUN sed -i 's/http:\/\/archive.ubuntu.com\/ubuntu\//http:\/\/repo.huaweicloud.com\/ubuntu\//g' /etc/apt/sources.list && \
+    sed -i 's#http://security.ubuntu.com/ubuntu#http://repo.huaweicloud.com/ubuntu#' /etc/apt/sources.list20
  
 # 安装OpenJDK 8
 RUN apt-get update && \
