[Update] Bug fixes and performance enhancements.

ios/Classes/Module/UserManager.swift

@@ -40,4 +40,9 @@ public class UserListener: NSObject, Open_im_sdk_callbackOnUserListenerProtocol
     public func onSelfInfoUpdated(_ userInfo: String?) {
         CommonUtil.emitEvent(channel: self.channel, method: "userListener", type: "onSelfInfoUpdated", errCode: nil, errMsg: nil, data: userInfo)
     }
+    
+    public func onUserStatusChanged(_ userInfo: String?) {
+        CommonUtil.emitEvent(channel: self.channel, method: "userListener", type: "onUserStatusChanged", errCode: nil, errMsg: nil, data: userInfo)
+    }
+
 }

ios/flutter_openim_sdk.podspec

@@ -17,7 +17,7 @@ A new Flutter project.
   s.dependency 'Flutter'
   s.platform = :ios, '11.0'
 
-  s.dependency 'OpenIMSDKCore','3.2.0-alpha.0'
+  s.dependency 'OpenIMSDKCore','3.2.0'
   s.static_framework = true
   # s.vendored_frameworks = 'Framework/*.framework'
   # Flutter.framework does not contain a i386 slice.