diff --git a/JJNetwork.podspec b/JJNetwork.podspec
index d754d4b..4b6785e 100644
--- a/JJNetwork.podspec
+++ b/JJNetwork.podspec
@@ -16,7 +16,7 @@ Pod::Spec.new do |s|
   #
 
   s.name         = "JJNetwork"
-  s.version      = "0.0.5"
+  s.version      = "0.0.6"
   s.summary      = "JJNetwork."
 
   # This description is used to generate tags and improve search results.
diff --git a/JJNetwork/Source/APIService/APIService.m b/JJNetwork/Source/APIService/APIService.m
index 7befd8b..f3c235e 100644
--- a/JJNetwork/Source/APIService/APIService.m
+++ b/JJNetwork/Source/APIService/APIService.m
@@ -39,13 +39,11 @@ @implementation APIService
 #pragma mark - Register APIModule
 
 + (void)registerDomainIP:(id<APIDominIPModule>)module{
-    NSDictionary* dic = [module domainIPData];
-    [APIServiceManager share].domainIPs = dic;
+    [APIServiceManager share].domainIPs = module;
 }
 
 + (void)registerHttpHeadField:(id<APIHttpHeadModule>)module{
-    NSDictionary* dic = [module customerHttpHead];
-    [APIServiceManager share].httpHeadField = dic;
+    [APIServiceManager share].httpHeadField = module;
 }
 
 
@@ -159,7 +157,12 @@ - (BOOL)checkRequestValidity:(APIRequest<RequestProtocol>*)request{
  @return New URL
  */
 - (NSString*)replaceDomainIPFromURL:(NSString*)url{
-    NSDictionary* ips = [APIServiceManager share].domainIPs;
+    
+    if (![[APIServiceManager share].domainIPs respondsToSelector:@selector(domainIPData)]) {
+        return url;
+    }
+    
+    NSDictionary* ips = [[APIServiceManager share].domainIPs domainIPData];
     if (ips.count == 0) {
         return url;
     }
@@ -177,7 +180,10 @@ - (NSString*)replaceDomainIPFromURL:(NSString*)url{
  @param request NSMutableURLRequest
  */
 - (void)addHttpHeadFieldFromRequest:(NSMutableURLRequest**)request{
-    NSDictionary* heads = [APIServiceManager share].httpHeadField;
+    if (![[APIServiceManager share].httpHeadField respondsToSelector:@selector(customerHttpHead)]) {
+        return;
+    }
+    NSDictionary* heads = [[APIServiceManager share].httpHeadField customerHttpHead];
     for (NSString* key in heads) {
         [*request setValue:heads[key] forHTTPHeaderField:key];
     }
@@ -215,11 +221,12 @@ - (NSDictionary*)signParameterWithKey:(NSDictionary *)para key:(NSString*)key{
     
     //MD5 the all value and contact the timeStamp,
     //The sign will change every seconds
-    
-    [mString appendFormat:@"%d",(int)[[NSDate date] timeIntervalSince1970]];
+    NSInteger timestamp = (int)[[NSDate date] timeIntervalSince1970];
+    [mString appendFormat:@"%d",timestamp];
     NSString* sign = [[NSString stringWithFormat:@"%@%@",mString,key] md5];
     
     dic[@"sign"] = sign;
+    dic[@"timestamp"] = @(timestamp);
     return dic;
 }
 
diff --git a/JJNetwork/Source/APIService/APIServiceManager.h b/JJNetwork/Source/APIService/APIServiceManager.h
index e998b2b..af2b2e4 100644
--- a/JJNetwork/Source/APIService/APIServiceManager.h
+++ b/JJNetwork/Source/APIService/APIServiceManager.h
@@ -7,13 +7,14 @@
 //
 
 #import <Foundation/Foundation.h>
+#import "APIModule.h"
 
 @interface APIServiceManager : NSObject
 
 + (instancetype)share;
 
-@property(nonatomic,readwrite,strong)NSDictionary* domainIPs;
+@property(nonatomic,readwrite,weak)id<APIDominIPModule> domainIPs;
 
-@property(nonatomic,readwrite,strong)NSDictionary* httpHeadField;
+@property(nonatomic,readwrite,weak)id<APIHttpHeadModule> httpHeadField;
 
 @end
diff --git a/README.md b/README.md
index f28860d..566e783 100644
--- a/README.md
+++ b/README.md
@@ -3,7 +3,7 @@
 [![Build Status](https://travis-ci.org/jezzmemo/JJNetwork.svg?branch=master)](https://travis-ci.org/jezzmemo/JJNetwork.svg?branch=master)
 [![Pod License](http://img.shields.io/cocoapods/l/JJNetwork.svg?style=flat)](https://www.apache.org/licenses/LICENSE-2.0.html)
 
-AFNetworking-based network library, with delegate to process network response, integrate more business functions and optimize network performance,[Chinese document](https://github.com/jezzmemo/JJNetwork/blob/master/EXPLAIN.md)
+AFNetworking-based network library, with delegate to process network response, integrate more business and optimize network performance,[Chinese document](https://github.com/jezzmemo/JJNetwork/blob/master/EXPLAIN.md)
 
 ## Features