diff --git a/README.md b/README.md
index a9f94fd..0cdc791 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,6 @@
 # WeChatTweak
 
-[![License](https://img.shields.io/badge/License-Apache%202.0-green.svg)](LICENSE)
-[![README](https://img.shields.io/badge/Telegram-WeChatTweak-brightgreen.svg)](https://t.me/wechattweak)
+A command-line tool for tweaking WeChat.
 
 ## 功能
 
@@ -9,15 +8,16 @@
 - 阻止自动更新
 - 客户端多开
 
-## 安装
+## 安装&使用
 
 ```bash
+# 首次安装
 brew install sunnyyoung/tap/wechattweak
-```
 
-## 使用
+# 更新
+brew upgrade wechattweak
 
-```bash
+# 使用
 wechattweak patch
 ```
 
diff --git a/Sources/WeChatTweak/main.swift b/Sources/WeChatTweak/main.swift
index 74f80c4..7f6ebb1 100644
--- a/Sources/WeChatTweak/main.swift
+++ b/Sources/WeChatTweak/main.swift
@@ -8,6 +8,15 @@ import Foundation
 import Dispatch
 import ArgumentParser
 
+struct Versions: AsyncParsableCommand {
+    static let configuration = CommandConfiguration(abstract: "List all supported WeChat versions")
+
+    mutating func run() async throws {
+        try await Config.load(from: Tweak.config).forEach({ print($0.version) })
+        Darwin.exit(EXIT_SUCCESS)
+    }
+}
+
 struct Patch: AsyncParsableCommand {
     enum Error: LocalizedError {
         case invalidApp
@@ -57,42 +66,35 @@ struct Patch: AsyncParsableCommand {
             }
         }
     )
-    var config: URL = URL(string: "https://raw.githubusercontent.com/sunnyyoung/WeChatTweak/refs/heads/feature/2.0/config.json")!
+    var config: URL = Tweak.config
 
     mutating func run() async throws {
-        do {
-            print("------ Version ------")
-            guard let version = try await Command.version(app: self.app) else {
-                throw Error.invalidVersion
-            }
-            print("\(version)")
-
-            print("------ Config ------")
-            guard let config = (try await Config.load(from: self.config)).first(where: { $0.version == version }) else {
-                throw Error.unsupportedVersion
-            }
-            print("\(config)")
-
-            print("------ Patch ------")
-            try await Command.patch(
-                app: self.app,
-                config: config
-            )
-            print("Done!")
-
-            print("------ Resign ------")
-            try await Command.resign(
-                app: self.app
-            )
-            print("Done!")
-
-            print("------🎉 Done!------")
-            Darwin.exit(EXIT_SUCCESS)
-        } catch {
-            print("------🚨 Error------")
-            print("\(error.localizedDescription)")
-            Darwin.exit(EXIT_FAILURE)
+        print("------ Version ------")
+        guard let version = try await Command.version(app: self.app) else {
+            throw Error.invalidVersion
         }
+        print("WeChat version: \(version)")
+
+        print("------ Config ------")
+        guard let config = (try await Config.load(from: self.config)).first(where: { $0.version == version }) else {
+            throw Error.unsupportedVersion
+        }
+        print("Matched config: \(config)")
+
+        print("------ Patch ------")
+        try await Command.patch(
+            app: self.app,
+            config: config
+        )
+        print("Done!")
+
+        print("------ Resign ------")
+        try await Command.resign(
+            app: self.app
+        )
+        print("Done!")
+
+        Darwin.exit(EXIT_SUCCESS)
     }
 }
 
@@ -101,10 +103,13 @@ struct Tweak: AsyncParsableCommand {
         commandName: "wechattweak",
         abstract: "A command-line tool for tweaking WeChat.",
         subcommands: [
+            Versions.self,
             Patch.self
         ],
         defaultSubcommand: Self.self
     )
+
+    static let config = URL(string:"https://raw.githubusercontent.com/sunnyyoung/WeChatTweak/refs/heads/feature/2.0/config.json")!
 }
 
 Task {