From a7f6c0532bd38d6c57d39d4355d2aca19d216ec0 Mon Sep 17 00:00:00 2001
From: Guangwen Feng <fenggw-fnst@fujitsu.com>
Date: Thu, 7 Jul 2022 17:27:29 +0800
Subject: [PATCH] [zh-cn] Update certificates.md

Signed-off-by: Guangwen Feng <fenggw-fnst@fujitsu.com>
---
 .../tasks/administer-cluster/certificates.md  | 459 ++++++++++--------
 1 file changed, 252 insertions(+), 207 deletions(-)

diff --git a/content/zh-cn/docs/tasks/administer-cluster/certificates.md b/content/zh-cn/docs/tasks/administer-cluster/certificates.md
index 2dfafa463b..6a86ded9eb 100644
--- a/content/zh-cn/docs/tasks/administer-cluster/certificates.md
+++ b/content/zh-cn/docs/tasks/administer-cluster/certificates.md
@@ -29,63 +29,74 @@ manually through `easyrsa`, `openssl` or `cfssl`.
 **easyrsa** 支持以手工方式为你的集群生成证书。
 
 <!-- 
-1.  Download, unpack, and initialize the patched version of easyrsa3.
+1. Download, unpack, and initialize the patched version of `easyrsa3`.
 -->
-1.  下载、解压、初始化打过补丁的 easyrsa3。
+1. 下载、解压、初始化打过补丁的 `easyrsa3`。
 
-        curl -LO https://storage.googleapis.com/kubernetes-release/easy-rsa/easy-rsa.tar.gz
-        tar xzf easy-rsa.tar.gz
-        cd easy-rsa-master/easyrsa3
-        ./easyrsa init-pki
+   ```shell
+   curl -LO https://storage.googleapis.com/kubernetes-release/easy-rsa/easy-rsa.tar.gz
+   tar xzf easy-rsa.tar.gz
+   cd easy-rsa-master/easyrsa3
+   ./easyrsa init-pki
+   ```
 
 <!-- 
-2.  Generate a new certificate authority (CA). `--batch` sets automatic mode;
-`--req-cn` specifies the Common Name (CN) for the CA's new root certificate.
+1. Generate a new certificate authority (CA). `--batch` sets automatic mode;
+   `--req-cn` specifies the Common Name (CN) for the CA's new root certificate.
 -->
-2.  生成新的证书颁发机构（CA）。参数 `--batch` 用于设置自动模式；
-    参数 `--req-cn` 用于设置新的根证书的通用名称（CN）。
+2. 生成新的证书颁发机构（CA）。参数 `--batch` 用于设置自动模式；
+   参数 `--req-cn` 用于设置新的根证书的通用名称（CN）。
 
-        ./easyrsa --batch "--req-cn=${MASTER_IP}@`date +%s`" build-ca nopass
+   ```shell
+   ./easyrsa --batch "--req-cn=${MASTER_IP}@`date +%s`" build-ca nopass
+   ```
 
 <!-- 
-3.  Generate server certificate and key.
-The argument `--subject-alt-name` sets the possible IPs and DNS names the API server will
-be accessed with. The `MASTER_CLUSTER_IP` is usually the first IP from the service CIDR
-that is specified as the `--service-cluster-ip-range` argument for both the API server and
-the controller manager component. The argument `--days` is used to set the number of days
-after which the certificate expires.
-The sample below also assumes that you are using `cluster.local` as the default
-DNS domain name.
--->
-3.  生成服务器证书和秘钥。
-    参数 `--subject-alt-name` 设置 API 服务器的 IP 和 DNS 名称。
-    `MASTER_CLUSTER_IP` 用于 API 服务器和控制管理器，通常取 CIDR 的第一个 IP，由 `--service-cluster-ip-range` 的参数提供。
-    参数 `--days` 用于设置证书的过期时间。
-    下面的示例假定你的默认 DNS 域名为 `cluster.local`。
+1. Generate server certificate and key.
 
-        ./easyrsa --subject-alt-name="IP:${MASTER_IP},"\
-        "IP:${MASTER_CLUSTER_IP},"\
-        "DNS:kubernetes,"\
-        "DNS:kubernetes.default,"\
-        "DNS:kubernetes.default.svc,"\
-        "DNS:kubernetes.default.svc.cluster,"\
-        "DNS:kubernetes.default.svc.cluster.local" \
-        --days=10000 \
-        build-server-full server nopass
+   The argument `--subject-alt-name` sets the possible IPs and DNS names the API server will
+   be accessed with. The `MASTER_CLUSTER_IP` is usually the first IP from the service CIDR
+   that is specified as the `--service-cluster-ip-range` argument for both the API server and
+   the controller manager component. The argument `--days` is used to set the number of days
+   after which the certificate expires.
+   The sample below also assumes that you are using `cluster.local` as the default
+   DNS domain name.
+-->
+3. 生成服务器证书和秘钥。
+
+   参数 `--subject-alt-name` 设置 API 服务器的 IP 和 DNS 名称。
+   `MASTER_CLUSTER_IP` 用于 API 服务器和控制器管理器，通常取 CIDR 的第一个 IP，
+   由 `--service-cluster-ip-range` 的参数提供。
+   参数 `--days` 用于设置证书的过期时间。
+   下面的示例假定你的默认 DNS 域名为 `cluster.local`。
+
+   ```shell
+   ./easyrsa --subject-alt-name="IP:${MASTER_IP},"\
+   "IP:${MASTER_CLUSTER_IP},"\
+   "DNS:kubernetes,"\
+   "DNS:kubernetes.default,"\
+   "DNS:kubernetes.default.svc,"\
+   "DNS:kubernetes.default.svc.cluster,"\
+   "DNS:kubernetes.default.svc.cluster.local" \
+   --days=10000 \
+   build-server-full server nopass
+   ```
 
 <!-- 
-4.  Copy `pki/ca.crt`, `pki/issued/server.crt`, and `pki/private/server.key` to your directory.
+1. Copy `pki/ca.crt`, `pki/issued/server.crt`, and `pki/private/server.key` to your directory.
 -->
-4.  拷贝文件 `pki/ca.crt`、`pki/issued/server.crt` 和 `pki/private/server.key` 到你的目录中。
+4. 拷贝文件 `pki/ca.crt`、`pki/issued/server.crt` 和 `pki/private/server.key` 到你的目录中。
 
 <!--
-5.  Fill in and add the following parameters into the API server start parameters:
+1. Fill in and add the following parameters into the API server start parameters:
 -->
-5.  在 API 服务器的启动参数中添加以下参数：
+5. 在 API 服务器的启动参数中添加以下参数：
 
-        --client-ca-file=/yourdirectory/ca.crt
-        --tls-cert-file=/yourdirectory/server.crt
-        --tls-private-key-file=/yourdirectory/server.key
+   ```shell
+   --client-ca-file=/yourdirectory/ca.crt
+   --tls-cert-file=/yourdirectory/server.crt
+   --tls-private-key-file=/yourdirectory/server.key
+   ```
 
 ### openssl
 
@@ -95,103 +106,120 @@ DNS domain name.
 **openssl** 支持以手工方式为你的集群生成证书。
 
 <!-- 
-1.  Generate a ca.key with 2048bit:
+1. Generate a ca.key with 2048bit:
 -->
-1.  生成一个 2048 位的 ca.key 文件
+1. 生成一个 2048 位的 ca.key 文件
 
-        openssl genrsa -out ca.key 2048
+   ```shell
+   openssl genrsa -out ca.key 2048
+   ```
 
 <!-- 
-2.  According to the ca.key generate a ca.crt (use -days to set the certificate effective time):
+1. According to the ca.key generate a ca.crt (use `-days` to set the certificate effective time):
 -->
-2.  在 ca.key 文件的基础上，生成 ca.crt 文件（用参数 -days 设置证书有效期）
+2. 在 ca.key 文件的基础上，生成 ca.crt 文件（用参数 `-days` 设置证书有效期）
 
-        openssl req -x509 -new -nodes -key ca.key -subj "/CN=${MASTER_IP}" -days 10000 -out ca.crt
+   ```shell
+   openssl req -x509 -new -nodes -key ca.key -subj "/CN=${MASTER_IP}" -days 10000 -out ca.crt
+   ```
 
 <!-- 
-3.  Generate a server.key with 2048bit:
+1. Generate a server.key with 2048bit:
 -->
-3.  生成一个 2048 位的 server.key 文件：
+3. 生成一个 2048 位的 server.key 文件：
 
-        openssl genrsa -out server.key 2048
+   ```shell
+   openssl genrsa -out server.key 2048
+   ```
 
 <!-- 
-4.  Create a config file for generating a Certificate Signing Request (CSR).
-Be sure to substitute the values marked with angle brackets (e.g. `<MASTER_IP>`)
-with real values before saving this to a file (e.g. `csr.conf`).
-Note that the value for `MASTER_CLUSTER_IP` is the service cluster IP for the
-API server as described in previous subsection.
-The sample below also assumes that you are using `cluster.local` as the default
-DNS domain name.
+1. Create a config file for generating a Certificate Signing Request (CSR).
+
+   Be sure to substitute the values marked with angle brackets (e.g. `<MASTER_IP>`)
+   with real values before saving this to a file (e.g. `csr.conf`).
+   Note that the value for `MASTER_CLUSTER_IP` is the service cluster IP for the
+   API server as described in previous subsection.
+   The sample below also assumes that you are using `cluster.local` as the default
+   DNS domain name.
 -->
-4.  创建一个用于生成证书签名请求（CSR）的配置文件。
-    保存文件（例如：`csr.conf`）前，记得用真实值替换掉尖括号中的值（例如：`<MASTER_IP>`）。
-    注意：`MASTER_CLUSTER_IP` 就像前一小节所述，它的值是 API 服务器的服务集群 IP。
-    下面的例子假定你的默认 DNS 域名为 `cluster.local`。
+4. 创建一个用于生成证书签名请求（CSR）的配置文件。
+   保存文件（例如：`csr.conf`）前，记得用真实值替换掉尖括号中的值（例如：`<MASTER_IP>`）。
+   注意：`MASTER_CLUSTER_IP` 就像前一小节所述，它的值是 API 服务器的服务集群 IP。
+   下面的例子假定你的默认 DNS 域名为 `cluster.local`。
 
-        [ req ]
-        default_bits = 2048
-        prompt = no
-        default_md = sha256
-        req_extensions = req_ext
-        distinguished_name = dn
+   ```ini
+   [ req ]
+   default_bits = 2048
+   prompt = no
+   default_md = sha256
+   req_extensions = req_ext
+   distinguished_name = dn
 
-        [ dn ]
-        C = <country>
-        ST = <state>
-        L = <city>
-        O = <organization>
-        OU = <organization unit>
-        CN = <MASTER_IP>
+   [ dn ]
+   C = <country>
+   ST = <state>
+   L = <city>
+   O = <organization>
+   OU = <organization unit>
+   CN = <MASTER_IP>
 
-        [ req_ext ]
-        subjectAltName = @alt_names
+   [ req_ext ]
+   subjectAltName = @alt_names
 
-        [ alt_names ]
-        DNS.1 = kubernetes
-        DNS.2 = kubernetes.default
-        DNS.3 = kubernetes.default.svc
-        DNS.4 = kubernetes.default.svc.cluster
-        DNS.5 = kubernetes.default.svc.cluster.local
-        IP.1 = <MASTER_IP>
-        IP.2 = <MASTER_CLUSTER_IP>
+   [ alt_names ]
+   DNS.1 = kubernetes
+   DNS.2 = kubernetes.default
+   DNS.3 = kubernetes.default.svc
+   DNS.4 = kubernetes.default.svc.cluster
+   DNS.5 = kubernetes.default.svc.cluster.local
+   IP.1 = <MASTER_IP>
+   IP.2 = <MASTER_CLUSTER_IP>
 
-        [ v3_ext ]
-        authorityKeyIdentifier=keyid,issuer:always
-        basicConstraints=CA:FALSE
-        keyUsage=keyEncipherment,dataEncipherment
-        extendedKeyUsage=serverAuth,clientAuth
-        subjectAltName=@alt_names
+   [ v3_ext ]
+   authorityKeyIdentifier=keyid,issuer:always
+   basicConstraints=CA:FALSE
+   keyUsage=keyEncipherment,dataEncipherment
+   extendedKeyUsage=serverAuth,clientAuth
+   subjectAltName=@alt_names
+   ```
 
 <!-- 
-5.  Generate the certificate signing request based on the config file:
+1. Generate the certificate signing request based on the config file:
 -->
-5.  基于上面的配置文件生成证书签名请求：
+5. 基于上面的配置文件生成证书签名请求：
 
-        openssl req -new -key server.key -out server.csr -config csr.conf
+   ```shell
+   openssl req -new -key server.key -out server.csr -config csr.conf
+   ```
 
 <!-- 
-6.  Generate the server certificate using the ca.key, ca.crt and server.csr:
+1. Generate the server certificate using the ca.key, ca.crt and server.csr:
 -->
-6.  基于 ca.key、ca.crt 和 server.csr 等三个文件生成服务端证书：
+6. 基于 ca.key、ca.crt 和 server.csr 等三个文件生成服务端证书：
 
-        openssl x509 -req -in server.csr -CA ca.crt -CAkey ca.key \
-        -CAcreateserial -out server.crt -days 10000 \
-        -extensions v3_ext -extfile csr.conf
+   ```shell
+   openssl x509 -req -in server.csr -CA ca.crt -CAkey ca.key \
+       -CAcreateserial -out server.crt -days 10000 \
+       -extensions v3_ext -extfile csr.conf
+   ```
 
 <!--
-7.  View the certificate signing request:
+1. View the certificate signing request:
 -->
-7.  查看证书签名请求：
+7. 查看证书签名请求：
 
-        openssl req  -noout -text -in ./server.csr
+   ```shell
+   openssl req  -noout -text -in ./server.csr
+   ```
 
 <!-- 
-8.  View the certificate:
+1. View the certificate:
 -->
-8.  查看证书：
+8. 查看证书：
 
-        openssl x509  -noout -text -in ./server.crt
+   ```shell
+   openssl x509  -noout -text -in ./server.crt
+   ```
 
 <!-- 
 Finally, add the same parameters into the API server start parameters.
@@ -206,135 +234,151 @@ Finally, add the same parameters into the API server start parameters.
 **cfssl** 是另一个用于生成证书的工具。
 
 <!-- 
-1.  Download, unpack and prepare the command line tools as shown below.
-    Note that you may need to adapt the sample commands based on the hardware
-    architecture and cfssl version you are using.
--->
-1.  下载、解压并准备如下所示的命令行工具。
-    注意：你可能需要根据所用的硬件体系架构和 cfssl 版本调整示例命令。
+1. Download, unpack and prepare the command line tools as shown below.
 
-        curl -L https://github.com/cloudflare/cfssl/releases/download/v1.5.0/cfssl_1.5.0_linux_amd64 -o cfssl
-        chmod +x cfssl
-        curl -L https://github.com/cloudflare/cfssl/releases/download/v1.5.0/cfssljson_1.5.0_linux_amd64 -o cfssljson
-        chmod +x cfssljson
-        curl -L https://github.com/cloudflare/cfssl/releases/download/v1.5.0/cfssl-certinfo_1.5.0_linux_amd64 -o cfssl-certinfo
-        chmod +x cfssl-certinfo
+   Note that you may need to adapt the sample commands based on the hardware
+   architecture and cfssl version you are using.
+-->
+1. 下载、解压并准备如下所示的命令行工具。
+
+   注意：你可能需要根据所用的硬件体系架构和 cfssl 版本调整示例命令。
+
+   ```shell
+   curl -L https://github.com/cloudflare/cfssl/releases/download/v1.5.0/cfssl_1.5.0_linux_amd64 -o cfssl
+   chmod +x cfssl
+   curl -L https://github.com/cloudflare/cfssl/releases/download/v1.5.0/cfssljson_1.5.0_linux_amd64 -o cfssljson
+   chmod +x cfssljson
+   curl -L https://github.com/cloudflare/cfssl/releases/download/v1.5.0/cfssl-certinfo_1.5.0_linux_amd64 -o cfssl-certinfo
+   chmod +x cfssl-certinfo
+   ```
 
 <!-- 
-2.  Create a directory to hold the artifacts and initialize cfssl:
+1. Create a directory to hold the artifacts and initialize cfssl:
 -->
-2.  创建一个目录，用它保存所生成的构件和初始化 cfssl：
+2. 创建一个目录，用它保存所生成的构件和初始化 cfssl：
 
-        mkdir cert
-        cd cert
-        ../cfssl print-defaults config > config.json
-        ../cfssl print-defaults csr > csr.json
+   ```shell
+   mkdir cert
+   cd cert
+   ../cfssl print-defaults config > config.json
+   ../cfssl print-defaults csr > csr.json
+   ```
 
 <!-- 
-3.  Create a JSON config file for generating the CA file, for example, `ca-config.json`:
+1. Create a JSON config file for generating the CA file, for example, `ca-config.json`:
 -->
-3.  创建一个 JSON 配置文件来生成 CA 文件，例如：`ca-config.json`：
+3. 创建一个 JSON 配置文件来生成 CA 文件，例如：`ca-config.json`：
 
-        {
-          "signing": {
-            "default": {
-              "expiry": "8760h"
-            },
-            "profiles": {
-              "kubernetes": {
-                "usages": [
-                  "signing",
-                  "key encipherment",
-                  "server auth",
-                  "client auth"
-                ],
-                "expiry": "8760h"
-              }
-            }
-          }
-        }
+   ```json
+   {
+     "signing": {
+       "default": {
+         "expiry": "8760h"
+       },
+       "profiles": {
+         "kubernetes": {
+           "usages": [
+             "signing",
+             "key encipherment",
+             "server auth",
+             "client auth"
+           ],
+           "expiry": "8760h"
+         }
+       }
+     }
+   }
+   ```
 
 <!-- 
-4.  Create a JSON config file for CA certificate signing request (CSR), for example,
-`ca-csr.json`. Be sure to replace the values marked with angle brackets with
-real values you want to use.
+1. Create a JSON config file for CA certificate signing request (CSR), for example,
+   `ca-csr.json`. Be sure to replace the values marked with angle brackets with
+   real values you want to use.
 -->
-4.  创建一个 JSON 配置文件，用于 CA 证书签名请求（CSR），例如：`ca-csr.json`。
-    确认用你需要的值替换掉尖括号中的值。
+4. 创建一个 JSON 配置文件，用于 CA 证书签名请求（CSR），例如：`ca-csr.json`。
+   确认用你需要的值替换掉尖括号中的值。
 
-        {
-          "CN": "kubernetes",
-          "key": {
-            "algo": "rsa",
-            "size": 2048
-          },
-          "names":[{
-            "C": "<country>",
-            "ST": "<state>",
-            "L": "<city>",
-            "O": "<organization>",
-            "OU": "<organization unit>"
-          }]
-        }
+   ```json
+   {
+     "CN": "kubernetes",
+     "key": {
+       "algo": "rsa",
+       "size": 2048
+     },
+     "names":[{
+       "C": "<country>",
+       "ST": "<state>",
+       "L": "<city>",
+       "O": "<organization>",
+       "OU": "<organization unit>"
+     }]
+   }
+   ```
 
 <!-- 
-5.  Generate CA key (`ca-key.pem`) and certificate (`ca.pem`):
+1. Generate CA key (`ca-key.pem`) and certificate (`ca.pem`):
 -->
-5.  生成 CA 秘钥文件（`ca-key.pem`）和证书文件（`ca.pem`）：
+5. 生成 CA 秘钥文件（`ca-key.pem`）和证书文件（`ca.pem`）：
 
-        ../cfssl gencert -initca ca-csr.json | ../cfssljson -bare ca
+   ```shell
+   ../cfssl gencert -initca ca-csr.json | ../cfssljson -bare ca
+   ```
 
 <!-- 
-6.  Create a JSON config file for generating keys and certificates for the API
-server, for example, `server-csr.json`. Be sure to replace the values in angle brackets with
-real values you want to use. The `MASTER_CLUSTER_IP` is the service cluster
-IP for the API server as described in previous subsection.
-The sample below also assumes that you are using `cluster.local` as the default
-DNS domain name.
+1. Create a JSON config file for generating keys and certificates for the API
+   server, for example, `server-csr.json`. Be sure to replace the values in angle brackets with
+   real values you want to use. The `<MASTER_CLUSTER_IP>` is the service cluster
+   IP for the API server as described in previous subsection.
+   The sample below also assumes that you are using `cluster.local` as the default
+   DNS domain name.
 -->
-6.  创建一个 JSON 配置文件，用来为 API 服务器生成秘钥和证书，例如：`server-csr.json`。
-    确认用你需要的值替换掉尖括号中的值。`MASTER_CLUSTER_IP` 是为 API 服务器 指定的服务集群 IP，就像前面小节描述的那样。
-    以下示例假定你的默认 DNS 域名为`cluster.local`。
+6. 创建一个 JSON 配置文件，用来为 API 服务器生成秘钥和证书，例如：`server-csr.json`。
+   确认用你需要的值替换掉尖括号中的值。`MASTER_CLUSTER_IP` 是为 API 服务器 指定的服务集群 IP，就像前面小节描述的那样。
+   以下示例假定你的默认 DNS 域名为`cluster.local`。
 
-        {
-          "CN": "kubernetes",
-          "hosts": [
-            "127.0.0.1",
-            "<MASTER_IP>",
-            "<MASTER_CLUSTER_IP>",
-            "kubernetes",
-            "kubernetes.default",
-            "kubernetes.default.svc",
-            "kubernetes.default.svc.cluster",
-            "kubernetes.default.svc.cluster.local"
-          ],
-          "key": {
-            "algo": "rsa",
-            "size": 2048
-          },
-          "names": [{
-            "C": "<country>",
-            "ST": "<state>",
-            "L": "<city>",
-            "O": "<organization>",
-            "OU": "<organization unit>"
-          }]
-        }
+   ```json
+   {
+     "CN": "kubernetes",
+     "hosts": [
+       "127.0.0.1",
+       "<MASTER_IP>",
+       "<MASTER_CLUSTER_IP>",
+       "kubernetes",
+       "kubernetes.default",
+       "kubernetes.default.svc",
+       "kubernetes.default.svc.cluster",
+       "kubernetes.default.svc.cluster.local"
+     ],
+     "key": {
+       "algo": "rsa",
+       "size": 2048
+     },
+     "names": [{
+       "C": "<country>",
+       "ST": "<state>",
+       "L": "<city>",
+       "O": "<organization>",
+       "OU": "<organization unit>"
+     }]
+   }
+   ```
 
 <!-- 
-7.  Generate the key and certificate for the API server, which are by default
-saved into file `server-key.pem` and `server.pem` respectively:
+1. Generate the key and certificate for the API server, which are by default
+   saved into file `server-key.pem` and `server.pem` respectively:
 -->
-7.  为 API 服务器生成秘钥和证书，默认会分别存储为`server-key.pem` 和 `server.pem` 两个文件。
+7. 为 API 服务器生成秘钥和证书，默认会分别存储为`server-key.pem` 和 `server.pem` 两个文件。
 
-        ../cfssl gencert -ca=ca.pem -ca-key=ca-key.pem \
+   ```shell
+   ../cfssl gencert -ca=ca.pem -ca-key=ca-key.pem \
         --config=ca-config.json -profile=kubernetes \
         server-csr.json | ../cfssljson -bare server
+   ```
 
 <!-- 
 ## Distributing Self-Signed CA Certificate
 -->
-## 分发自签名的 CA 证书
+## 分发自签名的 CA 证书   {#distributing-self-signed-ca-certificate}
 
 <!-- 
 A client node may refuse to recognize a self-signed CA certificate as valid.
@@ -349,12 +393,12 @@ On each client, perform the following operations:
 
 在每一个客户节点，执行以下操作：
 
-```bash
+```shell
 sudo cp ca.crt /usr/local/share/ca-certificates/kubernetes.crt
 sudo update-ca-certificates
 ```
 
-```
+```none
 Updating certificates in /etc/ssl/certs...
 1 added, 0 removed; done.
 Running hooks in /etc/ca-certificates/update.d....
@@ -364,13 +408,14 @@ done.
 <!-- 
 ## Certificates API
 -->
-## 证书 API {#certificates-api}
+## 证书 API   {#certificates-api}
 
 <!-- 
 You can use the `certificates.k8s.io` API to provision
 x509 certificates to use for authentication as documented
-[here](/docs/tasks/tls/managing-tls-in-a-cluster).
+in the [Managing TLS in a cluster](/docs/tasks/tls/managing-tls-in-a-cluster)
+task page.
 -->
 你可以通过 `certificates.k8s.io` API 提供 x509 证书，用来做身份验证，
-如[本](/zh-cn/docs/tasks/tls/managing-tls-in-a-cluster)文档所述。
+如[管理集群中的 TLS 认证](/zh-cn/docs/tasks/tls/managing-tls-in-a-cluster)文档所述。