优化异常处理

hsweb-web-controller/src/main/java/org/hsweb/web/controller/DefaultErrorController.java

@@ -6,6 +6,7 @@ import org.springframework.boot.autoconfigure.web.ErrorController;
 import org.springframework.http.MediaType;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.context.request.RequestAttributes;
 import org.springframework.web.context.request.ServletRequestAttributes;

hsweb-web-controller/src/main/java/org/hsweb/web/controller/ExceptionHandlerConfiguration.java

@@ -23,6 +23,7 @@ import org.webbuilder.utils.common.ClassUtils;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
 import java.util.List;
 import java.util.Map;