diff --git a/UIKit+WTRequestCenter/WTDataSaver.h b/UIKit+WTRequestCenter/WTDataSaver.h
index 08bb8d8..81ffbfb 100644
--- a/UIKit+WTRequestCenter/WTDataSaver.h
+++ b/UIKit+WTRequestCenter/WTDataSaver.h
@@ -14,9 +14,9 @@
                                             
                                         Mike
  */
-#import <Foundation/Foundation.h>
+
 @import UIKit;
-@import <#module#>
+@import Foundation;
 @interface WTDataSaver : NSObject
 
 #pragma mark - 存数据 Save Data
diff --git a/UIKit+WTRequestCenter/WTNetworkActivityIndicatorManager.h b/UIKit+WTRequestCenter/WTNetworkActivityIndicatorManager.h
index 72bc89d..6bfae68 100644
--- a/UIKit+WTRequestCenter/WTNetworkActivityIndicatorManager.h
+++ b/UIKit+WTRequestCenter/WTNetworkActivityIndicatorManager.h
@@ -6,7 +6,7 @@
 //  Copyright (c) 2014年 song. All rights reserved.
 
 
-#import <Foundation/Foundation.h>
+@import Foundation;
 @import UIKit;
 
 
diff --git a/WTNetWork/WTNetworkReachabilityManager.h b/WTNetWork/WTNetworkReachabilityManager.h
index aff8c08..84a84d6 100644
--- a/WTNetWork/WTNetworkReachabilityManager.h
+++ b/WTNetWork/WTNetworkReachabilityManager.h
@@ -19,7 +19,7 @@
 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 // THE SOFTWARE.
 
-#import <Foundation/Foundation.h>
+@import Foundation;
 #import <SystemConfiguration/SystemConfiguration.h>
 
 #ifndef NS_DESIGNATED_INITIALIZER
diff --git a/WTNetWork/WTRequestCenter.h b/WTNetWork/WTRequestCenter.h
index 9155d7e..55e8134 100644
--- a/WTNetWork/WTRequestCenter.h
+++ b/WTNetWork/WTRequestCenter.h
@@ -19,7 +19,7 @@
                                 Mike
  
  */
-#import <Foundation/Foundation.h>
+@import Foundation;
 
 @class WTURLRequestSerialization;
 @protocol WTMultipartFormData;
diff --git a/WTNetWork/WTURLRequestOperation.h b/WTNetWork/WTURLRequestOperation.h
index 127372d..e108715 100644
--- a/WTNetWork/WTURLRequestOperation.h
+++ b/WTNetWork/WTURLRequestOperation.h
@@ -19,7 +19,8 @@
  Mike
  
  */
-#import <Foundation/Foundation.h>
+@import Foundation;
+
 #import "WTRequestCenter.h"
 typedef void (^WTRequestComplectionBlock)(NSURLResponse *response,NSData *data,NSError *error);
 typedef void(^WTDownLoadProgressBlock)(NSUInteger bytesRead,long long totalBytesRead,long long totalBytesExpectedToRead);
diff --git a/WTNetWork/WTURLRequestSerialization.h b/WTNetWork/WTURLRequestSerialization.h
index 84b0794..53ee641 100644
--- a/WTNetWork/WTURLRequestSerialization.h
+++ b/WTNetWork/WTURLRequestSerialization.h
@@ -19,7 +19,7 @@
  Mike
  
  */
-#import <Foundation/Foundation.h>
+@import Foundation;
 @protocol WTMultipartFormData;
 extern NSTimeInterval const WTURLRequestSerializationTimeoutTimeInterval;
 
diff --git a/WTNetWork/WTURLSessionManager.h b/WTNetWork/WTURLSessionManager.h
index a67eae8..884ce32 100644
--- a/WTNetWork/WTURLSessionManager.h
+++ b/WTNetWork/WTURLSessionManager.h
@@ -6,7 +6,7 @@
 //  Copyright (c) 2015 song. All rights reserved.
 //
 
-#import <Foundation/Foundation.h>
+@import Foundation;
 
 @interface WTURLSessionManager : NSObject
 @property (readonly, nonatomic, strong) NSURLSession *session;
diff --git a/WTRequestCenter/WTRequestCenter-Prefix.pch b/WTRequestCenter/WTRequestCenter-Prefix.pch
index c1fa0d9..e11e2ae 100644
--- a/WTRequestCenter/WTRequestCenter-Prefix.pch
+++ b/WTRequestCenter/WTRequestCenter-Prefix.pch
@@ -12,5 +12,5 @@
 
 #ifdef __OBJC__
 //    @import UIKit;
-//    #import <Foundation/Foundation.h>
+//    @import Foundation;
 #endif