diff --git a/src/ios/Plugins/JPushDefine.h b/src/ios/Plugins/JPushDefine.h
index 06253a9..02e59af 100644
--- a/src/ios/Plugins/JPushDefine.h
+++ b/src/ios/Plugins/JPushDefine.h
@@ -24,7 +24,7 @@ static NSString *const JPushConfig_Delay        = @"Delay";
 
 static NSString *const JPushDocumentEvent_ReceiveNotification       = @"receiveNotification";
 static NSString *const JPushDocumentEvent_OpenNotification          = @"openNotification";
-static NSString *const JPushDocumentEvent_BackgroundNotification    = @"backgroundNotification";
+static NSString *const JPushDocumentEvent_BackgroundNotification    = @"backgroundNotification";
 static NSString *const JPushDocumentEvent_SetTagsWithAlias          = @"setTagsWithAlias";
 static NSString *const JPushDocumentEvent_ReceiveMessage            = @"receiveMessage";
 static NSString *const JPushDocumentEvent_StartLocalNotification    = @"startLocalNotification";