diff --git a/apollo-common/src/main/java/com/ctrip/framework/apollo/common/controller/GlobalDefaultExceptionHandler.java b/apollo-common/src/main/java/com/ctrip/framework/apollo/common/controller/GlobalDefaultExceptionHandler.java
index 4d5ce51da914e4d1395003308fa5bdeca83eab86..960afa2799eeef7d0400599a35c76be10521d5d0 100644
--- a/apollo-common/src/main/java/com/ctrip/framework/apollo/common/controller/GlobalDefaultExceptionHandler.java
+++ b/apollo-common/src/main/java/com/ctrip/framework/apollo/common/controller/GlobalDefaultExceptionHandler.java
@@ -3,6 +3,9 @@ package com.ctrip.framework.apollo.common.controller;
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
 
+import com.ctrip.framework.apollo.common.exception.AbstractApolloHttpException;
+import com.dianping.cat.Cat;
+
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.HttpHeaders;
@@ -15,9 +18,6 @@ import org.springframework.web.bind.annotation.ControllerAdvice;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.client.HttpStatusCodeException;
 
-import com.ctrip.framework.apollo.common.exception.AbstractApolloHttpException;
-import com.dianping.cat.Cat;
-
 import java.lang.reflect.Type;
 import java.time.LocalDateTime;
 import java.time.format.DateTimeFormatter;
@@ -34,74 +34,75 @@ import static org.springframework.http.MediaType.APPLICATION_JSON;
 
 @ControllerAdvice
 public class GlobalDefaultExceptionHandler {
-	private Gson gson = new Gson();
-	private static Type mapType = new TypeToken<Map<String, Object>>() {}.getType();
-
-	private static final Logger logger = LoggerFactory.getLogger(GlobalDefaultExceptionHandler.class);
-
-	//处理系统内置的Exception
-	@ExceptionHandler(Throwable.class)
-	public ResponseEntity<Map<String, Object>> exception(HttpServletRequest request, Throwable ex) {
-		return handleError(request, INTERNAL_SERVER_ERROR, ex);
-	}
-
-	@ExceptionHandler({HttpRequestMethodNotSupportedException.class, HttpMediaTypeException.class})
-	public ResponseEntity<Map<String, Object>> badRequest(HttpServletRequest request,
-																												ServletException ex) {
-		return handleError(request, BAD_REQUEST, ex);
-	}
-
-	@ExceptionHandler(HttpStatusCodeException.class)
-	public ResponseEntity<Map<String, Object>> restTemplateException(HttpServletRequest request,
-																																	 HttpStatusCodeException ex) {
-		return handleError(request, ex.getStatusCode(), ex);
-	}
-
-	@ExceptionHandler(AccessDeniedException.class)
-	public ResponseEntity<Map<String, Object>> accessDeny(HttpServletRequest request,
-																												AccessDeniedException ex) {
-		return handleError(request, FORBIDDEN, ex);
-	}
-
-	//处理自定义Exception
-	@ExceptionHandler({AbstractApolloHttpException.class})
-	public ResponseEntity<Map<String, Object>> badRequest(HttpServletRequest request, AbstractApolloHttpException ex) {
-		return handleError(request, ex);
-	}
-
-
-	private ResponseEntity<Map<String, Object>> handleError(HttpServletRequest request,
-																													AbstractApolloHttpException ex) {
-		return handleError(request, ex.getHttpStatus(), ex);
-	}
-
-
-	private ResponseEntity<Map<String, Object>> handleError(HttpServletRequest request,
-																													HttpStatus status, Throwable ex) {
-		String message = ex.getMessage();
-
-		logger.error(message, ex);
-		Cat.logError(ex);
-
-
-		Map<String, Object> errorAttributes = new HashMap<>();
-
-		//如果是admin server引起的异常,则显示内部的异常信息
-		if (ex instanceof HttpStatusCodeException){
-			errorAttributes = gson.fromJson(((HttpStatusCodeException)ex).getResponseBodyAsString(), mapType);
-			status = ((HttpStatusCodeException)ex).getStatusCode();
-		} else {
-			errorAttributes.put("status", status.value());
-			errorAttributes.put("message", message);
-			errorAttributes.put("timestamp",
-													LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
-			errorAttributes.put("exception", ex.getClass().getName());
-
-		}
-
-		HttpHeaders headers = new HttpHeaders();
-		headers.setContentType(APPLICATION_JSON);
-		return new ResponseEntity<>(errorAttributes, headers, status);
-	}
+  private Gson gson = new Gson();
+  private static Type mapType = new TypeToken<Map<String, Object>>() {
+  }.getType();
+
+  private static final Logger logger = LoggerFactory.getLogger(GlobalDefaultExceptionHandler.class);
+
+  //处理系统内置的Exception
+  @ExceptionHandler(Throwable.class)
+  public ResponseEntity<Map<String, Object>> exception(HttpServletRequest request, Throwable ex) {
+    return handleError(request, INTERNAL_SERVER_ERROR, ex);
+  }
+
+  @ExceptionHandler({HttpRequestMethodNotSupportedException.class, HttpMediaTypeException.class})
+  public ResponseEntity<Map<String, Object>> badRequest(HttpServletRequest request,
+                                                        ServletException ex) {
+    return handleError(request, BAD_REQUEST, ex);
+  }
+
+  @ExceptionHandler(HttpStatusCodeException.class)
+  public ResponseEntity<Map<String, Object>> restTemplateException(HttpServletRequest request,
+                                                                   HttpStatusCodeException ex) {
+    return handleError(request, ex.getStatusCode(), ex);
+  }
+
+  @ExceptionHandler(AccessDeniedException.class)
+  public ResponseEntity<Map<String, Object>> accessDeny(HttpServletRequest request,
+                                                        AccessDeniedException ex) {
+    return handleError(request, FORBIDDEN, ex);
+  }
+
+  //处理自定义Exception
+  @ExceptionHandler({AbstractApolloHttpException.class})
+  public ResponseEntity<Map<String, Object>> badRequest(HttpServletRequest request, AbstractApolloHttpException ex) {
+    return handleError(request, ex);
+  }
+
+
+  private ResponseEntity<Map<String, Object>> handleError(HttpServletRequest request,
+                                                          AbstractApolloHttpException ex) {
+    return handleError(request, ex.getHttpStatus(), ex);
+  }
+
+
+  private ResponseEntity<Map<String, Object>> handleError(HttpServletRequest request,
+                                                          HttpStatus status, Throwable ex) {
+    String message = ex.getMessage();
+
+    logger.error(message, ex);
+    Cat.logError(ex);
+
+
+    Map<String, Object> errorAttributes = new HashMap<>();
+
+    //如果是admin server引起的异常,则显示内部的异常信息
+    if (ex instanceof HttpStatusCodeException) {
+      errorAttributes = gson.fromJson(((HttpStatusCodeException) ex).getResponseBodyAsString(), mapType);
+      status = ((HttpStatusCodeException) ex).getStatusCode();
+    } else {
+      errorAttributes.put("status", status.value());
+      errorAttributes.put("message", message);
+      errorAttributes.put("timestamp",
+          LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
+      errorAttributes.put("exception", ex.getClass().getName());
+
+    }
+
+    HttpHeaders headers = new HttpHeaders();
+    headers.setContentType(APPLICATION_JSON);
+    return new ResponseEntity<>(errorAttributes, headers, status);
+  }
 
 }