diff --git a/app.py b/app.py
index 61f1672..e2781cc 100644
--- a/app.py
+++ b/app.py
@@ -921,6 +921,33 @@ def export_certificate_view(cert_id):
                     "Content-Disposition": f"attachment; filename={cert['common_name']}.pem"
                 }
             )
+        elif format_type == 'pem_separate':
+            # 创建临时zip文件包含两个单独的文件
+            import zipfile
+            from io import BytesIO
+
+            # 创建内存中的zip文件
+            memory_file = BytesIO()
+            with zipfile.ZipFile(memory_file, 'w') as zf:
+                # 添加证书文件
+                with open(cert['cert_path'], 'r') as f:
+                    cert_content = f.read()
+                zf.writestr(f"{cert['common_name']}.crt", cert_content)
+
+                # 添加私钥文件
+                with open(cert['key_path'], 'r') as f:
+                    key_content = f.read()
+                zf.writestr(f"{cert['common_name']}.key", key_content)
+
+            memory_file.seek(0)
+
+            return Response(
+                memory_file,
+                mimetype="application/zip",
+                headers={
+                    "Content-Disposition": f"attachment; filename={cert['common_name']}_separate.zip"
+                }
+            )
         else:
             flash('不支持的导出格式', 'danger')
 
diff --git a/templates/export_certificate.html b/templates/export_certificate.html
index 3a3cd6e..098e917 100644
--- a/templates/export_certificate.html
+++ b/templates/export_certificate.html
@@ -21,9 +21,16 @@
                 <div class="form-check">
                     <input class="form-check-input" type="radio" name="format" id="formatPem" value="pem">
                     <label class="form-check-label" for="formatPem">
-                        PEM (.pem)
+                        PEM (.pem) - 合并文件
                     </label>
-                    <div class="form-text">Base64编码的证书和私钥，适用于Nginx/Apache等</div>
+                    <div class="form-text">Base64编码的证书和私钥合并为一个文件</div>
+                </div>
+                <div class="form-check">
+                    <input class="form-check-input" type="radio" name="format" id="formatPemSeparate" value="pem_separate">
+                    <label class="form-check-label" for="formatPemSeparate">
+                        PEM (.pem) - 分开文件
+                    </label>
+                    <div class="form-text">Base64编码的证书和私钥作为两个单独文件</div>
                 </div>
             </div>