diff --git a/.DS_Store b/.DS_Store
index 33338d2..0e377c7 100644
Binary files a/.DS_Store and b/.DS_Store differ
diff --git a/WeiboSDKLibDemo.xcodeproj/project.pbxproj b/WeiboSDKLibDemo.xcodeproj/project.pbxproj
index 9cd5192..0116c28 100644
--- a/WeiboSDKLibDemo.xcodeproj/project.pbxproj
+++ b/WeiboSDKLibDemo.xcodeproj/project.pbxproj
@@ -686,7 +686,7 @@
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 6.1;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				ONLY_ACTIVE_ARCH = YES;
 				SDKROOT = iphoneos;
 			};
@@ -710,7 +710,7 @@
 				GCC_WARN_ABOUT_RETURN_TYPE = YES;
 				GCC_WARN_UNINITIALIZED_AUTOS = YES;
 				GCC_WARN_UNUSED_VARIABLE = YES;
-				IPHONEOS_DEPLOYMENT_TARGET = 6.1;
+				IPHONEOS_DEPLOYMENT_TARGET = 9.0;
 				OTHER_CFLAGS = "-DNS_BLOCK_ASSERTIONS=1";
 				SDKROOT = iphoneos;
 				VALIDATE_PRODUCT = YES;