diff --git a/app.py b/app.py
index e16f591..f0754c8 100644
--- a/app.py
+++ b/app.py
@@ -86,6 +86,30 @@ def index():
     # 默认展示第一个客户
     return redirect(url_for('view_customer', index=0))
 
+
+
+def calculate_statistics():
+    total_emails = 0
+    cold_lead_count = 0
+    no_promotion_count = 0
+
+    # 遍历所有客户数据以计算统计信息
+    for customer in customer_data:
+        for domain, info in customer.items():
+            if 'email addresses' in info and isinstance(info['email addresses'], list):
+                for email in info['email addresses']:
+                    total_emails += 1
+                    # 判断 "cold lead" 类型
+                    if email.get('category', '').lower() == "cold lead":
+                        cold_lead_count += 1
+                    # 判断是否有推广历史
+                    promotion_history = email.get('promotion history', [])
+                    if not promotion_history:  # 如果推广历史为空或不存在
+                        no_promotion_count += 1
+
+    return total_emails, cold_lead_count, no_promotion_count
+
+
 @app.route('/customer/<int:index>')
 def view_customer(index):
     # 判断是否有数据
@@ -109,11 +133,17 @@ def view_customer(index):
     is_first = index == 0
     is_last = index == len(customer_data) - 1
     
+    # 调用统计函数，获取统计数据
+    total_emails, cold_lead_count, no_promotion_count = calculate_statistics()
+
     return render_template('edit_customers.html', 
                            customer=customer, 
                            index=index, 
                            is_first=is_first, 
-                           is_last=is_last)
+                           is_last=is_last,
+                           total_emails=total_emails, 
+                           cold_lead_count=cold_lead_count,
+                           no_promotion_count=no_promotion_count)