diff --git a/polaris-common/polaris-model/src/main/java/com/tencent/polaris/api/utils/RuleUtils.java b/polaris-common/polaris-model/src/main/java/com/tencent/polaris/api/utils/RuleUtils.java
index 501df36c5..13e40dafc 100644
--- a/polaris-common/polaris-model/src/main/java/com/tencent/polaris/api/utils/RuleUtils.java
+++ b/polaris-common/polaris-model/src/main/java/com/tencent/polaris/api/utils/RuleUtils.java
@@ -112,7 +112,7 @@ public static boolean matchStringValue(MatchStringType matchType, String actualV
                 String[] tokens = matchValue.split(",");
                 for (String token : tokens) {
                     if (useTrieNode && trieNodeFunction != null) {
-                        if (TrieUtil.checkSimpleApi(trieNodeFunction.apply(matchValue), actualValue)) {
+                        if (TrieUtil.checkSimpleApi(trieNodeFunction.apply(token), actualValue)) {
                             return true;
                         }
                     } else {
@@ -127,7 +127,7 @@ public static boolean matchStringValue(MatchStringType matchType, String actualV
                 String[] tokens = matchValue.split(",");
                 for (String token : tokens) {
                     if (useTrieNode && trieNodeFunction != null) {
-                        if (TrieUtil.checkSimpleApi(trieNodeFunction.apply(matchValue), actualValue)) {
+                        if (TrieUtil.checkSimpleApi(trieNodeFunction.apply(token), actualValue)) {
                             return false;
                         }
                     } else {
diff --git a/polaris-common/polaris-model/src/test/java/com/tencent/polaris/api/utils/RuleUtilsTest.java b/polaris-common/polaris-model/src/test/java/com/tencent/polaris/api/utils/RuleUtilsTest.java
index 6d8062aa2..8dafda7d0 100644
--- a/polaris-common/polaris-model/src/test/java/com/tencent/polaris/api/utils/RuleUtilsTest.java
+++ b/polaris-common/polaris-model/src/test/java/com/tencent/polaris/api/utils/RuleUtilsTest.java
@@ -107,6 +107,16 @@ public void testMatchMetadata() {
         assertThat(matchMetadata(ruleMeta3, destMeta3)).isTrue();
     }
 
+    @Test
+    public void testInMatch() {
+        assertThat(matchStringValue(ModelProto.MatchString.MatchStringType.IN, "123", "123,456")).isTrue();
+        assertThat(matchStringValue(ModelProto.MatchString.MatchStringType.IN, "123", "456,123")).isTrue();
+        assertThat(matchStringValue(ModelProto.MatchString.MatchStringType.IN, "231", "123,456")).isFalse();
+        assertThat(matchStringValue(ModelProto.MatchString.MatchStringType.NOT_IN, "123", "123,456")).isFalse();
+        assertThat(matchStringValue(ModelProto.MatchString.MatchStringType.NOT_IN, "123", "456,123")).isFalse();
+        assertThat(matchStringValue(ModelProto.MatchString.MatchStringType.NOT_IN, "231", "123,456")).isTrue();
+    }
+
     @Test
     public void testRangeMatch() {
         assertThat(matchStringValue(ModelProto.MatchString.MatchStringType.RANGE, "123", "123~456")).isTrue();