diff --git a/src/main/java/cn/lihongjie/coal/filter/SignFilter.java b/src/main/java/cn/lihongjie/coal/filter/SignFilter.java
index 6bad30c9..af150a44 100644
--- a/src/main/java/cn/lihongjie/coal/filter/SignFilter.java
+++ b/src/main/java/cn/lihongjie/coal/filter/SignFilter.java
@@ -205,7 +205,7 @@ public class SignFilter extends OncePerRequestFilter {
                 cacheBodyRequestWrapper.reset();
             }
 
-            log.info("签名验证通过: {}", stopWatch.prettyPrint());
+            log.debug("签名验证通过: {}", stopWatch.prettyPrint());
         }
 
         doFilter(request, response, filterChain);