diff --git a/plugin.xml b/plugin.xml
index c92b7c6..db4b59a 100644
--- a/plugin.xml
+++ b/plugin.xml
@@ -49,7 +49,7 @@
         <source-file src="src/ios/Plugins/AppDelegate+JPush.m" />
 
         <header-file src="src/ios/lib/JPUSHService.h" />
-        <source-file src="src/ios/lib/jpush-ios-4.6.6.a" framework="true" />
+        <source-file src="src/ios/lib/jpush-ios-4.8.1.a" framework="true" />
         <resource-file src="src/ios/JPushConfig.plist" />
 
         <framework src="CFNetwork.framework" weak="true" />
diff --git a/src/ios/lib/JPUSHService.h b/src/ios/lib/JPUSHService.h
index 9b8b203..6df89fa 100644
--- a/src/ios/lib/JPUSHService.h
+++ b/src/ios/lib/JPUSHService.h
@@ -9,7 +9,7 @@
  * Copyright (c) 2011 ~ 2017 Shenzhen HXHG. All rights reserved.
  */
 
-#define JPUSH_VERSION_NUMBER 4.6.6
+#define JPUSH_VERSION_NUMBER 4.8.1
 
 #import <Foundation/Foundation.h>
 
@@ -28,6 +28,7 @@
 typedef void (^JPUSHTagsOperationCompletion)(NSInteger iResCode, NSSet *iTags, NSInteger seq);
 typedef void (^JPUSHTagValidOperationCompletion)(NSInteger iResCode, NSSet *iTags, NSInteger seq, BOOL isBind);
 typedef void (^JPUSHAliasOperationCompletion)(NSInteger iResCode, NSString *iAlias, NSInteger seq);
+typedef void (^JPUSHPropertiesOperationCompletion)(NSInteger iResCode, NSDictionary *properties, NSInteger seq);
 
 extern NSString *const kJPFNetworkIsConnectingNotification; // 正在连接中
 extern NSString *const kJPFNetworkDidSetupNotification;     // 建立连接
@@ -363,6 +364,49 @@ typedef NS_ENUM(NSUInteger, JPAuthorizationStatus) {
  */
 + (NSSet *)filterValidTags:(NSSet *)tags;
 
+
+/*!
+ * Property操作接口
+ * 支持增加/删除/清空操作
+ * 详情请参考文档：https://docs.jiguang.cn/jpush/client/iOS/ios_api/）
+ */
+
+/**
+ 新增/更新用户属性
+ 
+ 如果某个用户属性之前已经存在了，则会更新；不存在，则会新增
+ 
+ @param properties  需要新增或者更新的的用户属性内容，类型为NSDictionary；
+                   Key 为用户属性名称，类型必须是 NSString 类型；Value为用户属性值，只支持 NSString、NSNumber、NSDate类型，如果属性为BOOL类型，传值时请转成NSNumber类型
+ @param completion 响应回调
+ @param seq 请求序列号
+ */
++ (void)setProperties:(NSDictionary *)properties
+           completion:(JPUSHPropertiesOperationCompletion)completion
+                  seq:(NSInteger)seq;
+
+
+/**
+ 删除指定属性
+
+ @param keys 需要删除的属性名称集合
+ @param completion 响应回调
+ @param seq 请求序列号
+ */
++ (void)deleteProperties:(NSSet<NSString *> *)keys
+              completion:(JPUSHPropertiesOperationCompletion)completion
+                     seq:(NSInteger)seq;
+
+
+/**
+ 清空所有属性
+ @param completion 响应回调
+ @param seq 请求序列号
+ */
++ (void)cleanProperties:(JPUSHPropertiesOperationCompletion)completion
+                    seq:(NSInteger)seq;
+
+
 ///----------------------------------------------------
 /// @name Stats 统计功能
 ///----------------------------------------------------
diff --git a/src/ios/lib/jpush-ios-4.6.6.a b/src/ios/lib/jpush-ios-4.8.1.a
similarity index 79%
rename from src/ios/lib/jpush-ios-4.6.6.a
rename to src/ios/lib/jpush-ios-4.8.1.a
index 26aa045..ca2b579 100644
Binary files a/src/ios/lib/jpush-ios-4.6.6.a and b/src/ios/lib/jpush-ios-4.8.1.a differ