diff --git a/hippo4j-common/src/main/java/cn/hippo4j/common/function/Matcher.java b/hippo4j-common/src/main/java/cn/hippo4j/common/function/Matcher.java
index 918ec3ee..a6377d2d 100644
--- a/hippo4j-common/src/main/java/cn/hippo4j/common/function/Matcher.java
+++ b/hippo4j-common/src/main/java/cn/hippo4j/common/function/Matcher.java
@@ -23,5 +23,8 @@ package cn.hippo4j.common.function;
 @FunctionalInterface
 public interface Matcher<T> {
 
+    /**
+     * Returns {@code true} if this matches {@code t}, {@code false} otherwise.
+     */
     boolean match(T t);
 }
diff --git a/hippo4j-common/src/main/java/cn/hippo4j/common/function/NoArgsConsumer.java b/hippo4j-common/src/main/java/cn/hippo4j/common/function/NoArgsConsumer.java
index 878691ec..cc4adc7c 100644
--- a/hippo4j-common/src/main/java/cn/hippo4j/common/function/NoArgsConsumer.java
+++ b/hippo4j-common/src/main/java/cn/hippo4j/common/function/NoArgsConsumer.java
@@ -23,5 +23,8 @@ package cn.hippo4j.common.function;
 @FunctionalInterface
 public interface NoArgsConsumer {
 
+    /**
+     * Execute operation without parameters.
+     */
     void accept();
 }