代码优化

magic-api/src/main/java/org/ssssssss/magicapi/controller/MagicAPIController.java

@@ -13,6 +13,7 @@ import org.ssssssss.magicapi.model.Constants;
 import org.ssssssss.magicapi.model.JsonBean;
 
 import javax.servlet.http.HttpServletRequest;
+import java.util.Comparator;
 import java.util.List;
 import java.util.stream.Collectors;