diff --git a/trpc-spring-boot-starters/trpc-spring-boot-starter/src/main/java/com/tencent/trpc/spring/boot/starters/context/configuration/bind/TRpcConfigurationBindResult.java b/trpc-spring-boot-starters/trpc-spring-boot-starter/src/main/java/com/tencent/trpc/spring/boot/starters/context/configuration/bind/TRpcConfigurationBindResult.java
index c7237ee8fd..b3450540be 100644
--- a/trpc-spring-boot-starters/trpc-spring-boot-starter/src/main/java/com/tencent/trpc/spring/boot/starters/context/configuration/bind/TRpcConfigurationBindResult.java
+++ b/trpc-spring-boot-starters/trpc-spring-boot-starter/src/main/java/com/tencent/trpc/spring/boot/starters/context/configuration/bind/TRpcConfigurationBindResult.java
@@ -14,7 +14,7 @@
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
 import com.tencent.trpc.core.logger.Logger;
 import com.tencent.trpc.core.logger.LoggerFactory;
 import com.tencent.trpc.core.utils.JsonUtils;
@@ -26,7 +26,7 @@ public class TRpcConfigurationBindResult {
 
     private static final ObjectMapper MAP_CONVERTER = JsonUtils.copy()
             .disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
-            .setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE);
+            .setPropertyNamingStrategy(PropertyNamingStrategies.SNAKE_CASE);
 
     private static final TypeReference<Map<String, Object>> MAP_TYPE = new TypeReference<Map<String, Object>>() {
     };
diff --git a/trpc-spring-boot-starters/trpc-spring-boot-starter/src/test/java/com/tencent/trpc/spring/boot/starters/context/configuration/bind/TRpcConfigurationBindResultTest.java b/trpc-spring-boot-starters/trpc-spring-boot-starter/src/test/java/com/tencent/trpc/spring/boot/starters/context/configuration/bind/TRpcConfigurationBindResultTest.java
new file mode 100644
index 0000000000..46c736306b
--- /dev/null
+++ b/trpc-spring-boot-starters/trpc-spring-boot-starter/src/test/java/com/tencent/trpc/spring/boot/starters/context/configuration/bind/TRpcConfigurationBindResultTest.java
@@ -0,0 +1,65 @@
+/*
+ * Tencent is pleased to support the open source community by making tRPC available.
+ *
+ * Copyright (C) 2026 THL A29 Limited, a Tencent company.
+ * All rights reserved.
+ *
+ * If you have downloaded a copy of the tRPC source code from Tencent,
+ * please note that tRPC source code is licensed under the Apache 2.0 License,
+ * A copy of the Apache 2.0 License can be found in the LICENSE file.
+ */
+
+package com.tencent.trpc.spring.boot.starters.context.configuration.bind;
+
+import com.tencent.trpc.spring.boot.starters.context.configuration.TRpcConfigurationProperties;
+import java.util.List;
+import java.util.Map;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
+
+class TRpcConfigurationBindResultTest {
+
+    @Test
+    void toMapPreservesSnakeCaseConfiguration() {
+        TRpcConfigurationProperties properties = new TRpcConfigurationProperties();
+        properties.getGlobal().setEnvName("test-env");
+        properties.getGlobal().setFullSetName("app.area.unit");
+        properties.getServer().setLocalIp("127.0.0.1");
+        properties.getServer().setRequestTimeout(1234);
+        properties.getServer().setEnableLinkTimeout(false);
+        properties.getServer().setRunListeners(List.of("test-listener"));
+        properties.getClient().setRequestTimeout(2345);
+        properties.getClient().setCallerServiceName("test-caller");
+
+        Map<String, Object> result = new TRpcConfigurationBindResult(properties).toMap();
+
+        Map<?, ?> global = (Map<?, ?>) result.get("global");
+        Assertions.assertNotNull(global);
+        Assertions.assertEquals("test-env", global.get("env_name"));
+        Assertions.assertEquals("app.area.unit", global.get("full_set_name"));
+        Assertions.assertFalse(global.containsKey("envName"));
+        Map<?, ?> server = (Map<?, ?>) result.get("server");
+        Assertions.assertNotNull(server);
+        Assertions.assertEquals("127.0.0.1", server.get("local_ip"));
+        Assertions.assertEquals(1234, server.get("request_timeout"));
+        Assertions.assertEquals(false, server.get("enable_link_timeout"));
+        Assertions.assertEquals(List.of("test-listener"), server.get("run_listeners"));
+        Map<?, ?> client = (Map<?, ?>) result.get("client");
+        Assertions.assertNotNull(client);
+        Assertions.assertEquals(2345, client.get("request_timeout"));
+        Assertions.assertEquals("test-caller", client.get("caller_service_name"));
+    }
+
+    @Test
+    void toMapPreservesExtensionMapKeys() {
+        TRpcConfigurationProperties properties = new TRpcConfigurationProperties();
+        Map<String, Object> extension = Map.of("customKey", "value", "nested", Map.of("userKey", 17));
+        properties.getGlobal().setExt(extension);
+
+        Map<String, Object> result = new TRpcConfigurationBindResult(properties).toMap();
+
+        Map<?, ?> global = (Map<?, ?>) result.get("global");
+        Assertions.assertNotNull(global);
+        Assertions.assertEquals(extension, global.get("ext"));
+    }
+}
diff --git a/trpc-spring-support/trpc-spring/src/test/java/com/tencent/trpc/spring/context/configuration/schema/SchemaTest.java b/trpc-spring-support/trpc-spring/src/test/java/com/tencent/trpc/spring/context/configuration/schema/SchemaTest.java
index e9b0f2159d..821be730af 100644
--- a/trpc-spring-support/trpc-spring/src/test/java/com/tencent/trpc/spring/context/configuration/schema/SchemaTest.java
+++ b/trpc-spring-support/trpc-spring/src/test/java/com/tencent/trpc/spring/context/configuration/schema/SchemaTest.java
@@ -14,7 +14,7 @@
 import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.PropertyNamingStrategy;
+import com.fasterxml.jackson.databind.PropertyNamingStrategies;
 import com.google.common.collect.Lists;
 import com.tencent.trpc.core.utils.JsonUtils;
 import com.tencent.trpc.spring.context.configuration.schema.client.ClientSchema;
@@ -38,7 +38,7 @@ public class SchemaTest {
 
     private static final ObjectMapper MAP_CONVERTER = JsonUtils.copy()
             .disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES)
-            .setPropertyNamingStrategy(PropertyNamingStrategy.SNAKE_CASE);
+            .setPropertyNamingStrategy(PropertyNamingStrategies.SNAKE_CASE);
 
     private static final TypeReference<Map<String, Object>> MAP_TYPE =
             new TypeReference<Map<String, Object>>() {