Uc query hosts order (#433)

Author: YangSen-qn

QiniuSDK/Common/QNConfig.h

@@ -9,9 +9,9 @@
 #import <Foundation/Foundation.h>
 
 //MARK: -- 内部布置 尽量不要修改
-#define kQNPreQueryHost00 @"uc.qbox.me"
-#define kQNPreQueryHost01 @"api.qiniu.com"
-#define kQNPreQueryHost02 @"kodo-config.qiniuapi.com"
-#define kQNPreQueryHosts @[kQNPreQueryHost00, kQNPreQueryHost02, kQNPreQueryHost01]
+#define kQNPreQueryHost00 @"kodo-config.qiniuapi.com"
+#define kQNPreQueryHost01 @"uc.qbox.me"
+#define kQNPreQueryHost02 @"api.qiniu.com"
+#define kQNPreQueryHosts @[kQNPreQueryHost00, kQNPreQueryHost01, kQNPreQueryHost02]
 
 #define kQNUpLogHost @"uplog.qbox.me"