diff --git a/CHANGELOG.md b/CHANGELOG.md
index 06c1f8175..c3d1cd70c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,4 @@
 # Change Log
 ---
 
+- [Bugfix: optimize ratelimit actuator](https://github.com/Tencent/spring-cloud-tencent/pull/420)
\ No newline at end of file
diff --git a/spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/endpoint/PolarisRateLimitRuleEndpoint.java b/spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/endpoint/PolarisRateLimitRuleEndpoint.java
index abad381e0..6597ea6fc 100644
--- a/spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/endpoint/PolarisRateLimitRuleEndpoint.java
+++ b/spring-cloud-starter-tencent-polaris-ratelimit/src/main/java/com/tencent/cloud/polaris/ratelimit/endpoint/PolarisRateLimitRuleEndpoint.java
@@ -22,11 +22,16 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 
+import com.google.protobuf.InvalidProtocolBufferException;
+import com.google.protobuf.util.JsonFormat;
+import com.tencent.cloud.common.util.JacksonUtils;
 import com.tencent.cloud.polaris.context.ServiceRuleManager;
 import com.tencent.cloud.polaris.ratelimit.config.PolarisRateLimitProperties;
 import com.tencent.polaris.client.pb.RateLimitProto;
 import com.tencent.polaris.client.pb.RoutingProto;
 import org.apache.commons.lang.StringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import org.springframework.boot.actuate.endpoint.annotation.Endpoint;
 import org.springframework.boot.actuate.endpoint.annotation.ReadOperation;
@@ -42,6 +47,8 @@ import org.springframework.util.CollectionUtils;
 @Endpoint(id = "polaris-ratelimit")
 public class PolarisRateLimitRuleEndpoint {
 
+	private static final Logger LOG = LoggerFactory.getLogger(PolarisRateLimitRuleEndpoint.class);
+
 	private final ServiceRuleManager serviceRuleManager;
 	private final PolarisRateLimitProperties polarisRateLimitProperties;
 
@@ -76,26 +83,15 @@ public class PolarisRateLimitRuleEndpoint {
 		}
 
 		for (RateLimitProto.Rule rule : rateLimit.getRulesList()) {
-			Map<String, Object> ruleMap = new HashMap<>();
-			ruleMap.put("id", rule.getId());
-			ruleMap.put("priority", rule.getPriority());
-			ruleMap.put("resource", rule.getResource());
-			ruleMap.put("type", rule.getType());
-			ruleMap.put("labels", rule.getLabelsMap());
-			ruleMap.put("amounts", rule.getAmountsList());
-			ruleMap.put("action", rule.getAction());
-			ruleMap.put("disable", rule.getDisable());
-			ruleMap.put("report", rule.getReport());
-			ruleMap.put("create_time", rule.getCtime());
-			ruleMap.put("modify_time", rule.getMtime());
-			ruleMap.put("revision", rule.getRevision());
-			ruleMap.put("service_token", rule.getServiceToken());
-			ruleMap.put("adjuster", rule.getAdjuster());
-			ruleMap.put("regex_combine", rule.getRegexCombine());
-			ruleMap.put("amount_mode", rule.getAmountMode());
-			ruleMap.put("failover", rule.getFailover());
-			ruleMap.put("cluster", rule.getCluster());
-			rateLimitRule.add(ruleMap);
+			String ruleJson = "";
+			try {
+				ruleJson = JsonFormat.printer().print(rule);
+			}
+			catch (InvalidProtocolBufferException e) {
+				LOG.error("rule to Json failed. check rule {}.", rule, e);
+				throw new RuntimeException("Json failed.", e);
+			}
+			rateLimitRule.add(JacksonUtils.deserialize2Map(ruleJson));
 		}
 		return rateLimitRule;
 	}