diff --git a/api-wrap-boot/src/main/java/com/seelyn/apiwrap/ApiWrapAspect.java b/api-wrap-boot/src/main/java/com/seelyn/apiwrap/ApiWrapAspect.java
index 1725bbd..fce17b7 100644
--- a/api-wrap-boot/src/main/java/com/seelyn/apiwrap/ApiWrapAspect.java
+++ b/api-wrap-boot/src/main/java/com/seelyn/apiwrap/ApiWrapAspect.java
@@ -50,6 +50,9 @@ public void before(JoinPoint joinPoint) {
         WrapHandler wrapHandler = (WrapHandler) WrapBeanFactoryUtils.getBean(clazz);
 
         Object[] args = joinPoint.getArgs();
+        if (args == null || args.length == 0) {
+            throw new InvalidWrapSignatureException("签名有误");
+        }
         for (Object obj : args) {
             if (obj instanceof WrapRequest) {
                 //noinspection unchecked