diff --git a/src/handlers/meta.rs b/src/handlers/meta.rs
index 418d96c..25ca36e 100644
--- a/src/handlers/meta.rs
+++ b/src/handlers/meta.rs
@@ -6,7 +6,7 @@ const HTML_TEMPLATE: &str = r#"<!DOCTYPE html>
 <head>
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
-    <title>大气稳定度判定系统 — 环境监测助手</title>
+    <title>环境计算助手 — 环境监测工具</title>
     <style>
         * { margin: 0; padding: 0; box-sizing: border-box; }
         body {
@@ -135,7 +135,7 @@ const HTML_TEMPLATE: &str = r#"<!DOCTYPE html>
 
     <!-- Hero -->
     <div class="hero">
-        <h1>🌤 大气稳定度判定</h1>
+        <h1>🌤 环境计算助手</h1>
         <p>环境监测领域的专业计算工具，快速判定大气稳定度等级，判断无组织排放监测适宜性</p>
     </div>
 
@@ -208,7 +208,7 @@ const HTML_TEMPLATE: &str = r#"<!DOCTYPE html>
     </div>
 
     <div class="footer">
-        <p>大气稳定度判定系统 · v{version}</p>
+        <p>环境计算助手 · v{version}</p>
         <p style="margin-top:4px;">如有问题请联系客服</p>
     </div>
 
diff --git a/src/handlers/payment.rs b/src/handlers/payment.rs
index 96075c4..cc80f4d 100644
--- a/src/handlers/payment.rs
+++ b/src/handlers/payment.rs
@@ -298,7 +298,7 @@ pub async fn payment_index() -> Result<HttpResponse, AppError> {
 <head>
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0">
-<title>开通会员 - 大气稳定度判定</title>
+<title>开通会员 - 环境计算助手</title>
 <style>
   * { margin: 0; padding: 0; box-sizing: border-box; }
   body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', sans-serif; background: #f0f2f5; min-height: 100vh; }
