diff --git a/inside-notices/src/main/java/cn/axzo/msg/center/http/PrivateHandlerInterceptor.java b/inside-notices/src/main/java/cn/axzo/msg/center/http/PrivateHandlerInterceptor.java
index 9bde455f..12dd74bd 100644
--- a/inside-notices/src/main/java/cn/axzo/msg/center/http/PrivateHandlerInterceptor.java
+++ b/inside-notices/src/main/java/cn/axzo/msg/center/http/PrivateHandlerInterceptor.java
@@ -23,11 +23,14 @@ public class PrivateHandlerInterceptor implements HandlerInterceptor {
     @Override
     public boolean preHandle(HttpServletRequest request,
                              @NotNull HttpServletResponse response,
-                             @NotNull Object handler) {
+                             @NotNull Object handler) throws Exception {
         String token = request.getHeader("token");
         boolean tokenValid = PRIVATE_TOKEN.equals(token);
-        if (!tokenValid)
+        if (!tokenValid) {
             log.warn("Invalid private token:{}", token);
+            response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+            response.getWriter().write("Invalid private token");
+        }
         return tokenValid;
     }