diff --git a/生成SSL自签名证书并测试.md b/生成SSL自签名证书并测试.md
index 166c890..c8ceebd 100644
--- a/生成SSL自签名证书并测试.md
+++ b/生成SSL自签名证书并测试.md
@@ -56,4 +56,38 @@ base64内容
 base64内容
 -----END CERTIFICATE-----
 ```
-如果不是-----BEGIN RSA PRIVATE KEY----- 可以重新开始第4部，将文件调换下顺序，重新合并
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+如果不是-----BEGIN RSA PRIVATE KEY----- 可以重新开始第4部，将文件调换下顺序，重新合并
+
+# 7、证书包含多ip或域名情况
+## 创建服务器证书配置文件 server.conf
+```
+[ req ]
+distinguished_name = req_distinguished_name
+req_extensions = req_ext
+
+[ req_distinguished_name ]
+countryName = Country Name (2 letter code)
+stateOrProvinceName = State or Province Name (full name)
+localityName = Locality Name (eg, city)
+organizationName = Organization Name (eg, company)
+organizationalUnitName = Organizational Unit Name (eg, section)
+commonName = Common Name (eg, fully qualified host name)
+emailAddress = Email Address
+
+[ req_ext ]
+subjectAltName = @alt_names
+
+[ alt_names ]
+DNS.1 = localhost
+DNS.2 = *.local
+DNS.3 = wss.local
+IP.1 = 192.168.1.10
+IP.2 = 192.168.1.11
+```
+## 命令顺序
+```bash
+openssl genpkey -algorithm RSA -out server.key
+openssl req -new -key server.key -out server.csr -config server.cnf
+openssl x509 -req -in server.csr -signkey server.key -out server.crt -extensions req_ext -extfile openssl.cnf -days 36500
+cat server.key server.crt > ./ssl.pem
+```
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