fix

Example/GMAILab.xcodeproj/project.pbxproj

@@ -650,6 +650,7 @@
 				INFOPLIST_FILE = "GMAILab/GMAILab-Info.plist";
 				LD_RUNPATH_SEARCH_PATHS = "$(inherited) @executable_path/Frameworks";
 				MODULE_NAME = ExampleApp;
+				ONLY_ACTIVE_ARCH = YES;
 				PRODUCT_BUNDLE_IDENTIFIER = com.wanmeizhensuo.ZhengXing;
 				PRODUCT_NAME = "$(TARGET_NAME)";
 				PROVISIONING_PROFILE_SPECIFIER = user_dev;