diff --git a/main/manager-api/src/main/resources/db/changelog/202505151450.sql b/main/manager-api/src/main/resources/db/changelog/202505151450.sql
new file mode 100644
index 00000000..16c6a79b
--- /dev/null
+++ b/main/manager-api/src/main/resources/db/changelog/202505151450.sql
@@ -0,0 +1,4 @@
+-- 修改自定义TTS接口请求定义
+update `ai_model_provider` set `fields` =
+'[{"key":"url","label":"服务地址","type":"string"},{"key":"method","label":"请求方式","type":"string"},{"key":"params","label":"请求参数","type":"dict","dict_name":"params"},{"key":"headers","label":"请求头","type":"dict","dict_name":"headers"},{"key":"format","label":"音频格式","type":"string"},{"key":"output_dir","label":"输出目录","type":"string"}]'
+where `id` = 'SYSTEM_TTS_custom';
\ No newline at end of file
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 ae81fd14..a350b76a 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
@@ -142,3 +142,10 @@ databaseChangeLog:
         - sqlFile:
             encoding: utf8
             path: classpath:db/changelog/202505142037.sql
+  - changeSet:
+      id: 202505151450
+      author: hrz
+      changes:
+        - sqlFile:
+            encoding: utf8
+            path: classpath:db/changelog/202505151450.sql
diff --git a/main/xiaozhi-server/core/providers/tts/custom.py b/main/xiaozhi-server/core/providers/tts/custom.py
index 1efd7d7f..0b7dd04b 100644
--- a/main/xiaozhi-server/core/providers/tts/custom.py
+++ b/main/xiaozhi-server/core/providers/tts/custom.py
@@ -13,6 +13,7 @@ class TTSProvider(TTSProviderBase):
     def __init__(self, config, delete_audio_file):
         super().__init__(config, delete_audio_file)
         self.url = config.get("url")
+        self.method = config.get("method", "GET")
         self.headers = config.get("headers", {})
         self.params = json.loads(config.get("params"))
         self.format = config.get("format", "wav")
@@ -28,7 +29,10 @@ class TTSProvider(TTSProviderBase):
                 v = v.replace("{prompt_text}", text)
             request_params[k] = v
 
-        resp = requests.get(self.url, params=request_params, headers=self.headers)
+        if self.method.upper() == "POST":
+            resp = requests.post(self.url, json=request_params, headers=self.headers)
+        else:
+            resp = requests.get(self.url, params=request_params, headers=self.headers)
         if resp.status_code == 200:
             with open(output_file, "wb") as file:
                 file.write(resp.content)