fix

Author: garenwang

QCloudCOSXMLDemo.xcworkspace/xcuserdata/garenwang.xcuserdatad/UserInterfaceState.xcuserstate

@@ -53,8 +53,6 @@ QCloudCore--腾讯云iOS-SDK Foundation。提供腾讯云iOS相关SDK的基础
   end
 
   s.subspec 'DNSLoader' do |tdns|
-    tdns.ios.deployment_target = '10.0'
-    tdns.osx.deployment_target = "10.12"
     tdns.ios.deployment_target = '10.0'
     tdns.dependency "MSDKDns_C11";
     tdns.dependency "QCloudCore/WithoutMTA";