diff --git a/ipbc-Client/ipbc-Client.xcodeproj/project.pbxproj b/ipbc-Client/ipbc-Client.xcodeproj/project.pbxproj
index 515b43a..9b1ccd2 100644
--- a/ipbc-Client/ipbc-Client.xcodeproj/project.pbxproj
+++ b/ipbc-Client/ipbc-Client.xcodeproj/project.pbxproj
@@ -444,11 +444,14 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_IDENTITY = "Mac Developer";
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Mac Developer";
 				COMBINE_HIDPI_IMAGES = YES;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "ipbc-Client/ipbc-Client-Prefix.pch";
 				INFOPLIST_FILE = "ipbc-Client/ipbc-Client-Info.plist";
+				MACOSX_DEPLOYMENT_TARGET = 10.8;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE = "";
 				WRAPPER_EXTENSION = app;
 			};
 			name = Debug;
@@ -458,11 +461,14 @@
 			buildSettings = {
 				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
 				CODE_SIGN_IDENTITY = "Mac Developer";
+				"CODE_SIGN_IDENTITY[sdk=macosx*]" = "Mac Developer";
 				COMBINE_HIDPI_IMAGES = YES;
 				GCC_PRECOMPILE_PREFIX_HEADER = YES;
 				GCC_PREFIX_HEADER = "ipbc-Client/ipbc-Client-Prefix.pch";
 				INFOPLIST_FILE = "ipbc-Client/ipbc-Client-Info.plist";
+				MACOSX_DEPLOYMENT_TARGET = 10.8;
 				PRODUCT_NAME = "$(TARGET_NAME)";
+				PROVISIONING_PROFILE = "";
 				WRAPPER_EXTENSION = app;
 			};
 			name = Release;
diff --git a/ipbc-Client/ipbc-Client/WebserviceClient.m b/ipbc-Client/ipbc-Client/WebserviceClient.m
index 54531f9..33e4d64 100644
--- a/ipbc-Client/ipbc-Client/WebserviceClient.m
+++ b/ipbc-Client/ipbc-Client/WebserviceClient.m
@@ -98,40 +98,45 @@
 }
 
 -(BOOL)doWebServiceUpdate {
-    NSLog(@"update ip to %@", usersIPv4);
     isRequestRunning = YES;
     
     NSString *settingTempName = [[NSUserDefaults standardUserDefaults] stringForKey:@"setting.name"];
     NSString *settingTempToken = [[NSUserDefaults standardUserDefaults] stringForKey:@"setting.token"];
     
-    NSURL *url = [NSURL URLWithString:WS_RESOURCE];
-    NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url];
-    [request setHTTPMethod:@"POST"];
-    [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
-    
-    NSDictionary *tmp = [[NSDictionary alloc] initWithObjectsAndKeys:
-                         settingTempName, @"domain",
-                         settingTempToken, @"token",
-                         nil];
-    NSError *error;
-    NSData *postData = [NSJSONSerialization dataWithJSONObject:tmp options:0 error:&error];
-    [request setHTTPBody:postData];
-    
-    /*NSData *resultData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
-    NSString *strData = [[NSString alloc]initWithData:resultData encoding:NSUTF8StringEncoding];
-    NSLog(@"resultData: %@", strData);*/
-    
-    [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *resultData, NSError *error) {
-        NSString *strData = [[NSString alloc]initWithData:resultData encoding:NSUTF8StringEncoding];
-        NSLog(@"resultData: %@", strData);
+    if([settingTempName length] > 0 && [settingTempToken length] > 0) {
+        NSLog(@"update ip to %@", usersIPv4);
         
-        // locally save posted ip
-        [[NSUserDefaults standardUserDefaults] setObject:usersIPv4 forKey:@"value.ip.ipv4"];
+        NSURL *url = [NSURL URLWithString:WS_RESOURCE];
+        NSMutableURLRequest *request = [[NSMutableURLRequest alloc] initWithURL:url];
+        [request setHTTPMethod:@"POST"];
+        [request setValue:@"application/json" forHTTPHeaderField:@"Content-Type"];
+
+        NSDictionary *tmp = [[NSDictionary alloc] initWithObjectsAndKeys:
+                             settingTempName, @"domain",
+                             settingTempToken, @"token",
+                             nil];
+        NSError *error;
+        NSData *postData = [NSJSONSerialization dataWithJSONObject:tmp options:0 error:&error];
+        [request setHTTPBody:postData];
+
+        /*NSData *resultData = [NSURLConnection sendSynchronousRequest:request returningResponse:nil error:nil];
+         NSString *strData = [[NSString alloc]initWithData:resultData encoding:NSUTF8StringEncoding];
+         NSLog(@"resultData: %@", strData);*/
+
+        [NSURLConnection sendAsynchronousRequest:request queue:[NSOperationQueue mainQueue] completionHandler:^(NSURLResponse *response, NSData *resultData, NSError *error) {
+            NSString *strData = [[NSString alloc]initWithData:resultData encoding:NSUTF8StringEncoding];
+            NSLog(@"resultData: %@", strData);
         
-        isRequestRunning = NO;
-    }];
+            // locally save posted ip
+            [[NSUserDefaults standardUserDefaults] setObject:usersIPv4 forKey:@"value.ip.ipv4"];
+        
+            isRequestRunning = NO;
+        }];
     
-    return YES;
+        return YES;
+    } else {
+        return NO;
+    }
 }
 
 -(NSString *)fetchIPv4 {