doc: 更新 README

LICENSE

@@ -1,4 +1,4 @@
-Copyright (c) 2020 icyleaf <icyleaf.cn@gmail.com>
+Copyright (c) 2020-present icyleaf <icyleaf.cn@gmail.com>
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal

README.md

@@ -5,19 +5,52 @@
 [![License](https://img.shields.io/cocoapods/l/Zealot.svg?style=flat)](https://cocoapods.org/pods/Zealot)
 [![Platform](https://img.shields.io/cocoapods/p/Zealot.svg?style=flat)](https://cocoapods.org/pods/Zealot)
 
-## Example
+## 安装
 
-To run the example project, clone the repo, and run `pod install` from the Example directory first.
+### Cocoapods
 
-## Requirements
+使用 [Cocoapods](https://cocoapods.org) 安装 Zealot 需要把它加到 `PodFile`:
 
-## Installation
-
-Zealot is available through [CocoaPods](https://cocoapods.org). To install
-it, simply add the following line to your Podfile:
+> 未达到上线标准前暂不上 Cocoapods Specs
 
 ```ruby
-pod 'Zealot'
+pod 'Zealot', :git => 'https://github.com/getzealot/zealot-ios.git', :branch => 'master'
+```
+
+保存后开始安装：
+
+```sh
+pod install
+```
+
+## 使用
+
+1. 在 AppDelegate 文件t引入 Zealot 框架头：
+
+```swift
+// Swift
+import Zealot
+```
+
+```objective-c
+// Objective-C
+#import <Zealot/Zealot-Swift.h>
+```
+
+2. 接着在上面文件的 `application:didFinishLaunchingWithOptions:` 方法追加启动代码：
+
+```swift
+// Swift
+let zealot = Zealot(endpoint: "http://zealot.test",
+                  channelKey: "...")
+zealot.checkVersion()
+```
+
+```objective-c
+// Objective-C
+Zealot *zealot = [[Zealot alloc] initWithEndpoint:@"http://zealot.test" 
+                                       channelKey:@"..."];
+[zealot checkVersion];
 ```
 
 ## Author

Zealot/Classes/Zealot.swift

@@ -11,9 +11,8 @@ import UIKit
 public final class Zealot: NSObject {
     public let defaultEnvironment: String = "default"
     public var enviroment: String
-
-    private var endpoint: String
-    private var channelKeys: [String: String] = [:]
+    public var endpoint: String
+    public var channelKeys: [String: String] = [:]
     
     public init(endpoint: String, channelKey: String) {
         self.endpoint = endpoint
@@ -32,6 +31,11 @@ public final class Zealot: NSObject {
 
 // MARK: - Public methods
 public extension Zealot {
+    
+    func setChannelKey(channelKey: String, environment: String) {
+        self.channelKeys[environment] = channelKey
+    }
+    
     func checkVersion() {
         let client = try! Client(endpoint: endpoint, channelKey: useChannelKey())
         client.checkVersion { (result) in