送礼物可以发送自定义消息

xplan-ios/Appdelegate/AppDelegate+ThirdConfig.m

@@ -11,6 +11,7 @@
 #import <NIMSDK/NIMSDK.h>
 ///Tool
 #import "XPConstant.h"
+#import "CustomAttachmentDecoder.h"
 
 @implementation AppDelegate (ThirdConfig)
 
@@ -37,6 +38,9 @@
 	NIMSDKOption *option    = [NIMSDKOption optionWithAppKey:appKey];
 	option.apnsCername      = KeyWithType(KeyType_APNSCer);
 	[[NIMSDK sharedSDK] registerWithOption:option];
+	
+	// NIM SDK初始化
+	[NIMCustomObject registerCustomDecoder:[[CustomAttachmentDecoder alloc] init]];
 }
 
 @end