diff --git a/main/manager-api/src/main/resources/db/changelog/202601261730.sql b/main/manager-api/src/main/resources/db/changelog/202601261730.sql
new file mode 100644
index 00000000..5c2238ad
--- /dev/null
+++ b/main/manager-api/src/main/resources/db/changelog/202601261730.sql
@@ -0,0 +1,14 @@
+-- 更新小智参数中的默认采样率从 16000 改为 24000
+UPDATE `sys_params`
+SET `param_value` = '{
+  "type": "hello",
+  "version": 1,
+  "transport": "websocket",
+  "audio_params": {
+    "format": "opus",
+    "sample_rate": 24000,
+    "channels": 1,
+    "frame_duration": 60
+  }
+}'
+WHERE `id` = 309 AND `param_code` = 'xiaozhi';
diff --git a/main/manager-api/src/main/resources/db/changelog/db.changelog-master.yaml b/main/manager-api/src/main/resources/db/changelog/db.changelog-master.yaml
index 1d0416ef..8efe61b6 100755
--- a/main/manager-api/src/main/resources/db/changelog/db.changelog-master.yaml
+++ b/main/manager-api/src/main/resources/db/changelog/db.changelog-master.yaml
@@ -501,3 +501,10 @@ databaseChangeLog:
         - sqlFile:
             encoding: utf8
             path: classpath:db/changelog/202601231530.sql
+  - changeSet:
+      id: 202601261730
+      author: RanChen
+      changes:
+        - sqlFile:
+            encoding: utf8
+            path: classpath:db/changelog/202601261730.sql
diff --git a/main/xiaozhi-server/core/connection.py b/main/xiaozhi-server/core/connection.py
index 356cbb64..68900bd4 100644
--- a/main/xiaozhi-server/core/connection.py
+++ b/main/xiaozhi-server/core/connection.py
@@ -85,7 +85,7 @@ class ConnectionHandler:
         self.max_output_size = 0
         self.chat_history_conf = 0
         self.audio_format = "opus"
-        self.sample_rate = 16000  # 默认采样率，从客户端 hello 消息中动态更新
+        self.sample_rate = 24000  # 默认采样率，从客户端 hello 消息中动态更新
 
         # 客户端状态相关
         self.client_abort = False