diff --git a/docs/document/command.md b/docs/document/command.md
index de246fa..0f86f89 100644
--- a/docs/document/command.md
+++ b/docs/document/command.md
@@ -103,9 +103,9 @@ xray api <command> [arguments]
 
 ### xray convert
 
-把配置文件转换成 protobuf 或者把 typedMessage 转换成 json
+把配置文件转换成 protobuf 或者把 typedMessage 转换成 JSON
 
-使用方法:
+使用方法：
 
 ```
 xray convert <command> [arguments]
@@ -116,7 +116,7 @@ The commands are:
         json         Convert typedMessage to json
 ```
 
-pb 子命令使用示例：
+`pb` 子命令使用示例：
 ```bash
 # 用法：xray convert pb [-debug] [-type] [json file] [json file] ...
 
diff --git a/docs/en/document/command.md b/docs/en/document/command.md
index 4f2bcad..f69f29d 100644
--- a/docs/en/document/command.md
+++ b/docs/en/document/command.md
@@ -51,7 +51,12 @@ Default "json".
 
 The -test flag tells Xray to test config files only,
 without launching the server
+
+The -dump flag tells Xray to print the merged config.
 ```
+::: tip
+Except from the default JSON format, config can also use TOML and YAML. It will automatically recognized from file extensions when the `-format` flag is not set.
+:::
 
 ### xray version
 
@@ -84,6 +89,59 @@ xray api <command> [arguments]
         rmo           Remove outbounds
 ```
 
+### xray convert
+
+Convert config to protobuf, or convert typedMessage to JSON
+
+usage:
+
+```
+xray convert <command> [arguments]
+
+The commands are:
+
+        pb           Convert multiple json configs to protobuf
+        json         Convert typedMessage to json
+```
+
+Sub-command `pb`
+```bash
+# Usage: xray convert pb [-debug] [-type] [json file] [json file] ...
+
+# mix three config files to mix.pb
+xray convert pb c1.json c2.json c3.json > mix.pb
+
+# Use -debug option to view the content of mix.pb
+xray convert pb -debug mix.pb
+
+# Start Xray-core with mix.pb
+xray -c mix.pb
+
+# Detailed usage
+xray help convert pb
+```
+
+Sub-command JSON
+```bash
+# Usage: xray convert json [-type] [stdin:] [typedMessage file]
+
+tmsg='{
+  "type": "xray.proxy.shadowsocks.Account",
+  "value": "CgMxMTEQBg=="
+}'
+
+echo ${tmsg} | xray convert json stdin:
+
+# Outputs from above:
+'{
+  "cipherType": "AES_256_GCM",
+  "password": "111"
+}'
+
+# Detailed usage
+xray help convert json
+```
+
 ### xray tls
 
 Some tools related to TLS.
@@ -95,8 +153,9 @@ xray tls <command> [arguments]
 ```
 
 ```
-        cert         Generate TLS certificates
-        ping         Ping the domain with TLS handshake
+        cert          Generate TLS certificates
+        ping          Ping the domain with TLS handshake
+        certChainHash Calculate TLS certificates hash.
 ```
 
 ### xray uuid
diff --git a/docs/ru/document/command.md b/docs/ru/document/command.md
index 50b46ce..e09f74d 100644
--- a/docs/ru/document/command.md
+++ b/docs/ru/document/command.md
@@ -103,6 +103,59 @@ xray api <command> [arguments]
         rmo           Remove outbounds
 ```
 
+### xray convert
+
+Convert config to protobuf, or convert typedMessage to JSON
+
+usage:
+
+```
+xray convert <command> [arguments]
+
+The commands are:
+
+        pb           Convert multiple json configs to protobuf
+        json         Convert typedMessage to json
+```
+
+Sub-command `pb`
+```bash
+# Usage: xray convert pb [-debug] [-type] [json file] [json file] ...
+
+# mix three config files to mix.pb
+xray convert pb c1.json c2.json c3.json > mix.pb
+
+# Use -debug option to view the content of mix.pb
+xray convert pb -debug mix.pb
+
+# Start Xray-core with mix.pb
+xray -c mix.pb
+
+# Detailed usage
+xray help convert pb
+```
+
+Sub-command JSON
+```bash
+# Usage: xray convert json [-type] [stdin:] [typedMessage file]
+
+tmsg='{
+  "type": "xray.proxy.shadowsocks.Account",
+  "value": "CgMxMTEQBg=="
+}'
+
+echo ${tmsg} | xray convert json stdin:
+
+# Outputs from above:
+'{
+  "cipherType": "AES_256_GCM",
+  "password": "111"
+}'
+
+# Detailed usage
+xray help convert json
+```
+
 ### xray tls
 
 Инструменты для работы с TLS.