diff --git a/OnlineChatSdk/Classes/ChatController.swift b/OnlineChatSdk/Classes/ChatController.swift
index d9c886f..e6ee082 100644
--- a/OnlineChatSdk/Classes/ChatController.swift
+++ b/OnlineChatSdk/Classes/ChatController.swift
@@ -631,4 +631,4 @@ open class ChatController: UIViewController, WKNavigationDelegate, WKScriptMessa
     open func getContactsCallback(_ data: NSDictionary) {
         
     }
-}
+}
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