diff --git a/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/annotation/DubboTransported.java b/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/annotation/DubboTransported.java
index efe083ea..6a97fcc7 100644
--- a/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/annotation/DubboTransported.java
+++ b/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/annotation/DubboTransported.java
@@ -37,16 +37,11 @@ import static org.apache.dubbo.common.constants.CommonConstants.DEFAULT_RETRIES;
  * Spring Cloud Service-to-Service call is transported by Dubbo under the hood, there are
  * two main scenarios:
  * <ol>
- * <li>{@link FeignClient @FeignClient} annotated classes:
- * <ul>
- * If {@link DubboTransported @DubboTransported} annotated classes, the invocation of all
- * methods of {@link FeignClient @FeignClient} annotated classes.
- * </ul>
- * <ul>
- * If {@link DubboTransported @DubboTransported} annotated methods of
- * {@link FeignClient @FeignClient} annotated classes.
- * </ul>
- * </li>
+ * <li>{@link FeignClient @FeignClient} annotated classes: If
+ * {@link DubboTransported @DubboTransported} annotated classes, the invocation of all
+ * methods of {@link FeignClient @FeignClient} annotated classes. If
+ * {@link DubboTransported @DubboTransported} annotated methods of
+ * {@link FeignClient @FeignClient} annotated classes.</li>
  * <li>{@link LoadBalanced @LoadBalanced} {@link RestTemplate} annotated field, method and
  * parameters</li>
  * </ol>
diff --git a/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/autoconfigure/DubboServiceDiscoveryAutoConfiguration.java b/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/autoconfigure/DubboServiceDiscoveryAutoConfiguration.java
index 0deb8897..6e491425 100644
--- a/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/autoconfigure/DubboServiceDiscoveryAutoConfiguration.java
+++ b/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/autoconfigure/DubboServiceDiscoveryAutoConfiguration.java
@@ -16,7 +16,6 @@
 
 package com.alibaba.cloud.dubbo.autoconfigure;
 
-import java.util.Collection;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Map;
@@ -203,7 +202,7 @@ public class DubboServiceDiscoveryAutoConfiguration {
 	 * {@link #defaultHeartbeatEventChangePredicate()} method providers the default
 	 * implementation to detect whether the {@link HeartbeatEvent#getValue() state} is
 	 * changed or not. If and only if changed, the
-	 * {@link #dispatchServiceInstancesChangedEvent(String, Collection)} will be executed.
+	 * {@link #dispatchServiceInstancesChangedEvent(String, List)} will be executed.
 	 * <p>
 	 * <b>Note : </b> Spring Cloud {@link HeartbeatEvent} has a critical flaw that can't
 	 * figure out which service was changed precisely, it's just used for a notification
@@ -362,7 +361,7 @@ public class DubboServiceDiscoveryAutoConfiguration {
 
 		/**
 		 * Zookeeper uses {@link TreeCacheEvent} to trigger
-		 * {@link #dispatchServiceInstancesChangedEvent(String, Collection)} , thus
+		 * {@link #dispatchServiceInstancesChangedEvent(String, List)} , thus
 		 * {@link HeartbeatEvent} handle is always ignored.
 		 * @return <code>false</code> forever
 		 */
@@ -430,7 +429,7 @@ public class DubboServiceDiscoveryAutoConfiguration {
 		}
 
 		/**
-		 * Try to {@link #dispatchServiceInstancesChangedEvent(String, Collection)
+		 * Try to {@link #dispatchServiceInstancesChangedEvent(String, List)
 		 * dispatch} {@link ServiceInstancesChangedEvent} before
 		 * {@link ZookeeperServiceWatch#childEvent(CuratorFramework, TreeCacheEvent)}
 		 * execution if required.
@@ -528,7 +527,7 @@ public class DubboServiceDiscoveryAutoConfiguration {
 
 		/**
 		 * Nacos uses {@link EventListener} to trigger.
-		 * {@link #dispatchServiceInstancesChangedEvent(String, Collection)} , thus
+		 * {@link #dispatchServiceInstancesChangedEvent(String, List)} , thus
 		 * {@link HeartbeatEvent} handle is always ignored
 		 * @return <code>false</code> forever
 		 */
diff --git a/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/http/matcher/AbstractHttpRequestMatcher.java b/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/http/matcher/AbstractHttpRequestMatcher.java
index a2d3ea75..a5ae45bd 100644
--- a/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/http/matcher/AbstractHttpRequestMatcher.java
+++ b/spring-cloud-alibaba-starters/spring-cloud-starter-dubbo/src/main/java/com/alibaba/cloud/dubbo/http/matcher/AbstractHttpRequestMatcher.java
@@ -40,6 +40,7 @@ public abstract class AbstractHttpRequestMatcher implements HttpRequestMatcher {
 	 * <p>
 	 * For example {@code " || "} for URL patterns or {@code " && "} for param
 	 * expressions.
+	 * @return the notation
 	 */
 	protected abstract String getToStringInfix();