fix: rn-card footer extra bug, close #969
fix: rn-card footer extra bug, close #969

bccsafe/ant-design-mobile,ant-design/ant-design-mobile,bccsafe/ant-design-mobile,ant-design/ant-design-mobile,bccsafe/ant-design-mobile,ant-design/ant-design-mobile,bccsafe/ant-design-mobile,ant-design/ant-design-mobile,bccsafe/ant-design-mobile