diff --git a/content/zh/docs/tasks/traffic-management/egress/egress-gateway-tls-origination-sds/index.md b/content/zh/docs/tasks/traffic-management/egress/egress-gateway-tls-origination-sds/index.md
index 6e6fbef934..34cc8f9811 100644
--- a/content/zh/docs/tasks/traffic-management/egress/egress-gateway-tls-origination-sds/index.md
+++ b/content/zh/docs/tasks/traffic-management/egress/egress-gateway-tls-origination-sds/index.md
@@ -70,7 +70,7 @@ TLS 所需的私钥、服务器证书和 root 证书是通过以下方式配置
 
     {{< text bash >}}
     $ openssl req -out my-nginx.mesh-external.svc.cluster.local.csr -newkey rsa:2048 -nodes -keyout my-nginx.mesh-external.svc.cluster.local.key -subj "/CN=my-nginx.mesh-external.svc.cluster.local/O=some organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in my-nginx.mesh-external.svc.cluster.local.csr -out my-nginx.mesh-external.svc.cluster.local.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in my-nginx.mesh-external.svc.cluster.local.csr -out my-nginx.mesh-external.svc.cluster.local.crt
     {{< /text >}}
 
 ### 部署一个简单的 TLS 服务器{#deploy-a-simple-TLS-server}
@@ -373,14 +373,14 @@ Egress 网关将使用 SDS 而不是文件挂载来提供客户端证书。
 
     {{< text bash >}}
     $ openssl req -out my-nginx.mesh-external.svc.cluster.local.csr -newkey rsa:2048 -nodes -keyout my-nginx.mesh-external.svc.cluster.local.key -subj "/CN=my-nginx.mesh-external.svc.cluster.local/O=some organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in my-nginx.mesh-external.svc.cluster.local.csr -out my-nginx.mesh-external.svc.cluster.local.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in my-nginx.mesh-external.svc.cluster.local.csr -out my-nginx.mesh-external.svc.cluster.local.crt
     {{< /text >}}
 
 1.  生成客户端的证书和私钥:
 
     {{< text bash >}}
     $ openssl req -out client.example.com.csr -newkey rsa:2048 -nodes -keyout client.example.com.key -subj "/CN=client.example.com/O=client organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
     {{< /text >}}
 
 ### 部署一个双向TLS服务器{deploy-a-mutual-TLS-server}
diff --git a/content/zh/docs/tasks/traffic-management/egress/egress-gateway-tls-origination/index.md b/content/zh/docs/tasks/traffic-management/egress/egress-gateway-tls-origination/index.md
index 7e05b56c03..c2eaaff7b9 100644
--- a/content/zh/docs/tasks/traffic-management/egress/egress-gateway-tls-origination/index.md
+++ b/content/zh/docs/tasks/traffic-management/egress/egress-gateway-tls-origination/index.md
@@ -252,14 +252,14 @@ $ kubectl delete destinationrule egressgateway-for-cnn
 
     {{< text bash >}}
     $ openssl req -out my-nginx.mesh-external.svc.cluster.local.csr -newkey rsa:2048 -nodes -keyout my-nginx.mesh-external.svc.cluster.local.key -subj "/CN=my-nginx.mesh-external.svc.cluster.local/O=some organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in my-nginx.mesh-external.svc.cluster.local.csr -out my-nginx.mesh-external.svc.cluster.local.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in my-nginx.mesh-external.svc.cluster.local.csr -out my-nginx.mesh-external.svc.cluster.local.crt
     {{< /text >}}
 
 1. 生成客户端证书和私钥：
 
     {{< text bash >}}
     $ openssl req -out client.example.com.csr -newkey rsa:2048 -nodes -keyout client.example.com.key -subj "/CN=client.example.com/O=client organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
     {{< /text >}}
 
 ### 部署一个双向 TLS 服务器{#deploy-a-mutual-TLS-server}
diff --git a/content/zh/docs/tasks/traffic-management/ingress/secure-ingress-mount/index.md b/content/zh/docs/tasks/traffic-management/ingress/secure-ingress-mount/index.md
index 875e46204e..61c319d974 100644
--- a/content/zh/docs/tasks/traffic-management/ingress/secure-ingress-mount/index.md
+++ b/content/zh/docs/tasks/traffic-management/ingress/secure-ingress-mount/index.md
@@ -38,7 +38,7 @@ TLS 所必需的私钥、服务器证书和根证书使用基于文件挂载的
 
     {{< text bash >}}
     $ openssl req -out httpbin.example.com.csr -newkey rsa:2048 -nodes -keyout httpbin.example.com.key -subj "/CN=httpbin.example.com/O=httpbin organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in httpbin.example.com.csr -out httpbin.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in httpbin.example.com.csr -out httpbin.example.com.crt
     {{< /text >}}
 
 ## 基于文件挂载的方式配置 TLS ingress 网关{#configure-a-TLS-ingress-gateway-with-a-file-mount-based-approach}
@@ -231,7 +231,7 @@ TLS 所必需的私钥、服务器证书和根证书使用基于文件挂载的
 
     {{< text bash >}}
     $ openssl req -out httpbin-client.example.com.csr -newkey rsa:2048 -nodes -keyout httpbin-client.example.com.key -subj "/CN=httpbin-client.example.com/O=httpbin's client organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in httpbin-client.example.com.csr -out httpbin-client.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in httpbin-client.example.com.csr -out httpbin-client.example.com.crt
     {{< /text >}}
 
 1. 重新用 _curl_ 发送之前的请求，这次通过参数传递客户端证书（添加 `--cert` 选项）和您的私钥（`--key` 选项）：
@@ -264,7 +264,7 @@ Ingress 网关将向客户端提供与每个请求的服务器相对应的唯一
 
 {{< text bash >}}
 $ openssl req -out bookinfo.com.csr -newkey rsa:2048 -nodes -keyout bookinfo.com.key -subj "/CN=bookinfo.com/O=bookinfo organization"
-$ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in bookinfo.com.csr -out bookinfo.com.crt
+$ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in bookinfo.com.csr -out bookinfo.com.crt
 {{< /text >}}
 
 ### 使用新证书重新部署 `istio-ingressgateway`{#redeploy-Istio-ingress-gateway-with-the-new-certificate}
diff --git a/content/zh/docs/tasks/traffic-management/ingress/secure-ingress/index.md b/content/zh/docs/tasks/traffic-management/ingress/secure-ingress/index.md
index 36f6329022..4bb734c30c 100644
--- a/content/zh/docs/tasks/traffic-management/ingress/secure-ingress/index.md
+++ b/content/zh/docs/tasks/traffic-management/ingress/secure-ingress/index.md
@@ -39,7 +39,7 @@ test: yes
 
     {{< text bash >}}
     $ openssl req -out httpbin.example.com.csr -newkey rsa:2048 -nodes -keyout httpbin.example.com.key -subj "/CN=httpbin.example.com/O=httpbin organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in httpbin.example.com.csr -out httpbin.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 0 -in httpbin.example.com.csr -out httpbin.example.com.crt
     {{< /text >}}
 
 ### 配置单机TLS入口网关
@@ -123,7 +123,7 @@ test: yes
     $ mkdir new_certificates
     $ openssl req -x509 -sha256 -nodes -days 365 -newkey rsa:2048 -subj '/O=example Inc./CN=example.com' -keyout new_certificates/example.com.key -out new_certificates/example.com.crt
     $ openssl req -out new_certificates/httpbin.example.com.csr -newkey rsa:2048 -nodes -keyout new_certificates/httpbin.example.com.key -subj "/CN=httpbin.example.com/O=httpbin organization"
-    $ openssl x509 -req -days 365 -CA new_certificates/example.com.crt -CAkey new_certificates/example.com.key -set_serial 0 -in new_certificates/httpbin.example.com.csr -out new_certificates/httpbin.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA new_certificates/example.com.crt -CAkey new_certificates/example.com.key -set_serial 0 -in new_certificates/httpbin.example.com.csr -out new_certificates/httpbin.example.com.crt
     $ kubectl create -n istio-system secret tls httpbin-credential \
     --key=new_certificates/httpbin.example.com.key \
     --cert=new_certificates/httpbin.example.com.crt
@@ -223,7 +223,7 @@ test: yes
 
     {{< text bash >}}
     $ openssl req -out helloworld-v1.example.com.csr -newkey rsa:2048 -nodes -keyout helloworld-v1.example.com.key -subj "/CN=helloworld-v1.example.com/O=helloworld organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in helloworld-v1.example.com.csr -out helloworld-v1.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in helloworld-v1.example.com.csr -out helloworld-v1.example.com.crt
     {{< /text >}}
 
 1.  创建 `helloworld-credential` secret:
@@ -372,7 +372,7 @@ $ kubectl create -n istio-system secret generic httpbin-credential --from-file=t
 
     {{< text bash >}}
     $ openssl req -out client.example.com.csr -newkey rsa:2048 -nodes -keyout client.example.com.key -subj "/CN=client.example.com/O=client organization"
-    $ openssl x509 -req -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
+    $ openssl x509 -req -sha256 -days 365 -CA example.com.crt -CAkey example.com.key -set_serial 1 -in client.example.com.csr -out client.example.com.crt
     {{< /text >}}
 
 1. 重新发送带客户端证书和私钥的 `curl` 请求。使用 --cert 标志传递客户端证书，使用 --key 标志传递私钥。