README.md in rongcloud-server-sdk-1.0.1 vs README.md in rongcloud-server-sdk-1.0.2

@@ -21,11 +21,13 @@
 
 
 ## Usage
 
 ```ruby
-rongcloud = RongCloud::Client::new(
+require "rongcloud"
+
+rongcloud = RongCloud::Client.new(
   app_key: ENV["RONGCLOUD_APP_KEY"],
   app_secret: ENV["RONGCLOUD_APP_SECRET"],
   host: "api-cn.ronghub.com"
 )
 
@@ -47,32 +49,43 @@
 | ...                        | ...                          |
 
 ### Timeout
 
 ```ruby
-rongcloud = RongCloud::Client::new(
+rongcloud = RongCloud::Client.new(
   app_key: ENV["RONGCLOUD_APP_KEY"],
   app_secret: ENV["RONGCLOUD_APP_SECRET"],
   host: "api-cn.ronghub.com",
   http: {
     timeout_class: HTTP::Timeout::Global,
-    timeout_options: {global_timeout: 2}
+    timeout_options: {global_timeout: 5}
   }
 )
 ```
 
 ### Logging
 
 ```ruby
-rongcloud = RongCloud::Client::new(
+rongcloud = RongCloud::Client.new(
   app_key: ENV["RONGCLOUD_APP_KEY"],
   app_secret: ENV["RONGCLOUD_APP_SECRET"],
   host: "api-cn.ronghub.com",
   http: {
     features: {
       logging: {logger: Logger.new($stdout)}
     }
   }
+)
+```
+
+### Signature Verify
+
+```ruby
+verified = RongCloud::Signer.verify?(
+  app_secret: ENV["RONGCLOUD_APP_SECRET"],
+  nonce: params["nonce"],
+  timestamp: params["timestamp"],
+  signature: params["signature"]
 )
 ```
 
 
 ## Development