diff --git a/CHANGELOG.md b/CHANGELOG.md
index 73787fdd..e02220c7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,5 @@
 # Change Log
 ---
 
-- [Bugfix: optimize ratelimit actuator](https://github.com/Tencent/spring-cloud-tencent/pull/413)
\ No newline at end of file
+- [Bugfix: optimize ratelimit actuator](https://github.com/Tencent/spring-cloud-tencent/pull/413)
+- [Feature: add rate limit filter debug log](https://github.com/Tencent/spring-cloud-tencent/pull/417)
diff --git a/changes/changes-1.6.0.md b/changes/changes-1.6.0.md
index 81941578..24de5fce 100644
--- a/changes/changes-1.6.0.md
+++ b/changes/changes-1.6.0.md
@@ -39,4 +39,4 @@
 - [docs:optimize example](https://github.com/Tencent/spring-cloud-tencent/pull/385)
 - [Optimize starters auto-configuration. (main)](https://github.com/Tencent/spring-cloud-tencent/pull/391/files)
 - [Feature: format code](https://github.com/Tencent/spring-cloud-tencent/pull/394)
-- [test: add PostInitPolarisSDKContextTest](https://github.com/Tencent/spring-cloud-tencent/pull/397)
+- [test: add PostInitPolarisSDKContextTest](https://github.com/Tencent/spring-cloud-tencent/pull/397)
\ No newline at end of file
diff --git a/spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckReactiveFilter.java b/spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckReactiveFilter.java
index fb547bb5..cdca4822 100644
--- a/spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckReactiveFilter.java
+++ b/spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckReactiveFilter.java
@@ -114,6 +114,7 @@ public class QuotaCheckReactiveFilter implements WebFilter, Ordered {
 			}
 			// Unirate
 			if (quotaResponse.getCode() == QuotaResultCode.QuotaResultOk && quotaResponse.getWaitMs() > 0) {
+				LOG.debug("The request of [{}] will waiting for {}ms.", path, quotaResponse.getWaitMs());
 				return Mono.delay(Duration.ofMillis(quotaResponse.getWaitMs())).flatMap(e -> chain.filter(exchange));
 			}
 		}
diff --git a/spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckServletFilter.java b/spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckServletFilter.java
index 8aa05d66..8497bdf4 100644
--- a/spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckServletFilter.java
+++ b/spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/filter/QuotaCheckServletFilter.java
@@ -110,6 +110,7 @@ public class QuotaCheckServletFilter extends OncePerRequestFilter {
 			}
 			// Unirate
 			if (quotaResponse.getCode() == QuotaResultCode.QuotaResultOk && quotaResponse.getWaitMs() > 0) {
+				LOG.debug("The request of [{}] will waiting for {}ms.", request.getRequestURI(), quotaResponse.getWaitMs());
 				Thread.sleep(quotaResponse.getWaitMs());
 			}