diff --git a/docs/.well-known/metagpt_oas3_api.yaml b/docs/.well-known/metagpt_oas3_api.yaml
index 720e4a41a..1f370b62d 100644
--- a/docs/.well-known/metagpt_oas3_api.yaml
+++ b/docs/.well-known/metagpt_oas3_api.yaml
@@ -14,16 +14,16 @@ paths:
   /tts/azsure:
     x-prerequisite:
       configurations:
-        AZURE_TTS_SUBSCRIPTION_KEY:
+        azure_tts_subscription_key:
           type: string
           description: "For more details, check out: [Azure Text-to_Speech](https://learn.microsoft.com/en-us/azure/ai-services/speech-service/language-support?tabs=tts)"
-        AZURE_TTS_REGION:
+        azure_tts_region:
           type: string
           description: "For more details, check out: [Azure Text-to_Speech](https://learn.microsoft.com/en-us/azure/ai-services/speech-service/language-support?tabs=tts)"
       required:
         allOf:
-          - AZURE_TTS_SUBSCRIPTION_KEY
-          - AZURE_TTS_REGION
+          - azure_tts_subscription_key
+          - azure_tts_region
     post:
       summary: "Convert Text to Base64-encoded .wav File Stream"
       description: "For more details, check out: [Azure Text-to_Speech](https://learn.microsoft.com/en-us/azure/ai-services/speech-service/language-support?tabs=tts)"
@@ -94,9 +94,9 @@ paths:
           description: "WebAPI argument, see: `https://console.xfyun.cn/services/tts`"
       required:
         allOf:
-          - IFLYTEK_APP_ID
-          - IFLYTEK_API_KEY
-          - IFLYTEK_API_SECRET
+          - iflytek_app_id
+          - iflytek_api_key
+          - iflytek_api_secret
     post:
       summary: "Convert Text to Base64-encoded .mp3 File Stream"
       description: "For more details, check out: [iFlyTek](https://console.xfyun.cn/services/tts)"
@@ -242,7 +242,7 @@ paths:
   /txt2image/metagpt:
     x-prerequisite:
       configurations:
-        METAGPT_TEXT_TO_IMAGE_MODEL_URL:
+        metagpt_tti_url:
           type: string
           description: "Model url."
       required:
diff --git a/docs/.well-known/skills.yaml b/docs/.well-known/skills.yaml
index a14571926..30c215445 100644
--- a/docs/.well-known/skills.yaml
+++ b/docs/.well-known/skills.yaml
@@ -14,10 +14,10 @@ entities:
         id: text_to_speech.text_to_speech
         x-prerequisite:
           configurations:
-            AZURE_TTS_SUBSCRIPTION_KEY:
+            azure_tts_subscription_key:
               type: string
               description: "For more details, check out: [Azure Text-to_Speech](https://learn.microsoft.com/en-us/azure/ai-services/speech-service/language-support?tabs=tts)"
-            AZURE_TTS_REGION:
+            azure_tts_region:
               type: string
               description: "For more details, check out: [Azure Text-to_Speech](https://learn.microsoft.com/en-us/azure/ai-services/speech-service/language-support?tabs=tts)"
             IFLYTEK_APP_ID:
@@ -32,12 +32,12 @@ entities:
           required:
             oneOf:
               - allOf:
-                - AZURE_TTS_SUBSCRIPTION_KEY
-                - AZURE_TTS_REGION
+                - azure_tts_subscription_key
+                - azure_tts_region
               - allOf:
-                - IFLYTEK_APP_ID
-                - IFLYTEK_API_KEY
-                - IFLYTEK_API_SECRET
+                - iflytek_app_id
+                - iflytek_api_key
+                - iflytek_api_secret
         parameters:
           text:
             description: 'The text used for voice conversion.'
@@ -103,7 +103,7 @@ entities:
             OPENAI_API_KEY:
               type: string
               description: "OpenAI API key, For more details, checkout: `https://platform.openai.com/account/api-keys`"
-            METAGPT_TEXT_TO_IMAGE_MODEL_URL:
+            metagpt_tti_url:
               type: string
               description: "Model url."
           required:
diff --git a/metagpt/config2.py b/metagpt/config2.py
index de0489789..21c17f7be 100644
--- a/metagpt/config2.py
+++ b/metagpt/config2.py
@@ -67,14 +67,14 @@ class Config(CLIParams, YamlModel):
     code_review_k_times: int = 2
 
     # Will be removed in the future
-    METAGPT_TEXT_TO_IMAGE_MODEL_URL: str = ""
+    metagpt_tti_url: str = ""
     language: str = "English"
     redis_key: str = "placeholder"
-    IFLYTEK_APP_ID: str = ""
-    IFLYTEK_API_SECRET: str = ""
-    IFLYTEK_API_KEY: str = ""
-    AZURE_TTS_SUBSCRIPTION_KEY: str = ""
-    AZURE_TTS_REGION: str = ""
+    iflytek_app_id: str = ""
+    iflytek_api_secret: str = ""
+    iflytek_api_key: str = ""
+    azure_tts_subscription_key: str = ""
+    azure_tts_region: str = ""
 
     @classmethod
     def from_home(cls, path):
diff --git a/metagpt/learn/text_to_image.py b/metagpt/learn/text_to_image.py
index e2fac7647..163859fc0 100644
--- a/metagpt/learn/text_to_image.py
+++ b/metagpt/learn/text_to_image.py
@@ -27,7 +27,7 @@ async def text_to_image(text, size_type: str = "512x512", config: Config = metag
     """
     image_declaration = "data:image/png;base64,"
 
-    model_url = config.METAGPT_TEXT_TO_IMAGE_MODEL_URL
+    model_url = config.metagpt_tti_url
     if model_url:
         binary_data = await oas3_metagpt_text_to_image(text, size_type, model_url)
     elif config.get_openai_llm():
diff --git a/metagpt/learn/text_to_speech.py b/metagpt/learn/text_to_speech.py
index 37e56eaff..8dbd6d243 100644
--- a/metagpt/learn/text_to_speech.py
+++ b/metagpt/learn/text_to_speech.py
@@ -39,8 +39,8 @@ async def text_to_speech(
 
     """
 
-    subscription_key = config.AZURE_TTS_SUBSCRIPTION_KEY
-    region = config.AZURE_TTS_REGION
+    subscription_key = config.azure_tts_subscription_key
+    region = config.azure_tts_region
     if subscription_key and region:
         audio_declaration = "data:audio/wav;base64,"
         base64_data = await oas3_azsure_tts(text, lang, voice, style, role, subscription_key, region)
@@ -50,9 +50,9 @@ async def text_to_speech(
             return f"[{text}]({url})"
         return audio_declaration + base64_data if base64_data else base64_data
 
-    iflytek_app_id = config.IFLYTEK_APP_ID
-    iflytek_api_key = config.IFLYTEK_API_KEY
-    iflytek_api_secret = config.IFLYTEK_API_SECRET
+    iflytek_app_id = config.iflytek_app_id
+    iflytek_api_key = config.iflytek_api_key
+    iflytek_api_secret = config.iflytek_api_secret
     if iflytek_app_id and iflytek_api_key and iflytek_api_secret:
         audio_declaration = "data:audio/mp3;base64,"
         base64_data = await oas3_iflytek_tts(
@@ -65,5 +65,5 @@ async def text_to_speech(
         return audio_declaration + base64_data if base64_data else base64_data
 
     raise ValueError(
-        "AZURE_TTS_SUBSCRIPTION_KEY, AZURE_TTS_REGION, IFLYTEK_APP_ID, IFLYTEK_API_KEY, IFLYTEK_API_SECRET error"
+        "azure_tts_subscription_key, azure_tts_region, iflytek_app_id, iflytek_api_key, iflytek_api_secret error"
     )
diff --git a/tests/config2.yaml b/tests/config2.yaml
index 24728d873..090e2b63a 100644
--- a/tests/config2.yaml
+++ b/tests/config2.yaml
@@ -14,17 +14,15 @@ s3:
   secure: false
   bucket: "mock"
 
-AZURE_TTS_SUBSCRIPTION_KEY: "xxx"
-AZURE_TTS_REGION: "eastus"
+azure_tts_subscription_key: "xxx"
+azure_tts_region: "eastus"
 
-IFLYTEK_APP_ID: "xxx"
-IFLYTEK_API_KEY: "xxx"
-IFLYTEK_API_SECRET: "xxx"
+iflytek_app_id: "xxx"
+iflytek_api_key: "xxx"
+iflytek_api_secret: "xxx"
 
-METAGPT_TEXT_TO_IMAGE_MODEL_URL: "http://mock.com"
+metagpt_tti_url: "http://mock.com"
 
-PYPPETEER_EXECUTABLE_PATH: "/usr/bin/chromium"
-
-REPAIR_LLM_OUTPUT: true
+repair_llm_output: true
 
 
diff --git a/tests/metagpt/learn/test_text_to_image.py b/tests/metagpt/learn/test_text_to_image.py
index 167a35891..d3272dadd 100644
--- a/tests/metagpt/learn/test_text_to_image.py
+++ b/tests/metagpt/learn/test_text_to_image.py
@@ -27,7 +27,7 @@ async def test_text_to_image(mocker):
     mocker.patch.object(S3, "cache", return_value="http://mock/s3")
 
     config = Config.default()
-    assert config.METAGPT_TEXT_TO_IMAGE_MODEL_URL
+    assert config.metagpt_tti_url
 
     data = await text_to_image("Panda emoji", size_type="512x512", config=config)
     assert "base64" in data or "http" in data
@@ -52,7 +52,7 @@ async def test_openai_text_to_image(mocker):
     mocker.patch.object(S3, "cache", return_value="http://mock.s3.com/0.png")
 
     config = Config.default()
-    config.METAGPT_TEXT_TO_IMAGE_MODEL_URL = None
+    config.metagpt_tti_url = None
     assert config.get_openai_llm()
 
     data = await text_to_image("Panda emoji", size_type="512x512", config=config)
diff --git a/tests/metagpt/learn/test_text_to_speech.py b/tests/metagpt/learn/test_text_to_speech.py
index 38e051cc6..f01e5d132 100644
--- a/tests/metagpt/learn/test_text_to_speech.py
+++ b/tests/metagpt/learn/test_text_to_speech.py
@@ -20,9 +20,9 @@ from metagpt.utils.s3 import S3
 async def test_azure_text_to_speech(mocker):
     # mock
     config = Config.default()
-    config.IFLYTEK_API_KEY = None
-    config.IFLYTEK_API_SECRET = None
-    config.IFLYTEK_APP_ID = None
+    config.iflytek_api_key = None
+    config.iflytek_api_secret = None
+    config.iflytek_app_id = None
     mock_result = mocker.Mock()
     mock_result.audio_data = b"mock audio data"
     mock_result.reason = ResultReason.SynthesizingAudioCompleted
@@ -32,11 +32,11 @@ async def test_azure_text_to_speech(mocker):
     mocker.patch.object(S3, "cache", return_value="http://mock.s3.com/1.wav")
 
     # Prerequisites
-    assert not config.IFLYTEK_APP_ID
-    assert not config.IFLYTEK_API_KEY
-    assert not config.IFLYTEK_API_SECRET
-    assert config.AZURE_TTS_SUBSCRIPTION_KEY and config.AZURE_TTS_SUBSCRIPTION_KEY != "YOUR_API_KEY"
-    assert config.AZURE_TTS_REGION
+    assert not config.iflytek_app_id
+    assert not config.iflytek_api_key
+    assert not config.iflytek_api_secret
+    assert config.azure_tts_subscription_key and config.azure_tts_subscription_key != "YOUR_API_KEY"
+    assert config.azure_tts_region
 
     config.copy()
     # test azure
@@ -48,8 +48,8 @@ async def test_azure_text_to_speech(mocker):
 async def test_iflytek_text_to_speech(mocker):
     # mock
     config = Config.default()
-    config.AZURE_TTS_SUBSCRIPTION_KEY = None
-    config.AZURE_TTS_REGION = None
+    config.azure_tts_subscription_key = None
+    config.azure_tts_region = None
     mocker.patch.object(IFlyTekTTS, "synthesize_speech", return_value=None)
     mock_data = mocker.AsyncMock()
     mock_data.read.return_value = b"mock iflytek"
@@ -58,11 +58,11 @@ async def test_iflytek_text_to_speech(mocker):
     mocker.patch.object(S3, "cache", return_value="http://mock.s3.com/1.mp3")
 
     # Prerequisites
-    assert config.IFLYTEK_APP_ID
-    assert config.IFLYTEK_API_KEY
-    assert config.IFLYTEK_API_SECRET
-    assert not config.AZURE_TTS_SUBSCRIPTION_KEY or config.AZURE_TTS_SUBSCRIPTION_KEY == "YOUR_API_KEY"
-    assert not config.AZURE_TTS_REGION
+    assert config.iflytek_app_id
+    assert config.iflytek_api_key
+    assert config.iflytek_api_secret
+    assert not config.azure_tts_subscription_key or config.azure_tts_subscription_key == "YOUR_API_KEY"
+    assert not config.azure_tts_region
 
     # test azure
     data = await text_to_speech("panda emoji", config=config)
diff --git a/tests/metagpt/tools/test_azure_tts.py b/tests/metagpt/tools/test_azure_tts.py
index 74d23e439..f72b5663b 100644
--- a/tests/metagpt/tools/test_azure_tts.py
+++ b/tests/metagpt/tools/test_azure_tts.py
@@ -28,10 +28,10 @@ async def test_azure_tts(mocker):
     mocker.patch.object(Path, "exists", return_value=True)
 
     # Prerequisites
-    assert config.AZURE_TTS_SUBSCRIPTION_KEY and config.AZURE_TTS_SUBSCRIPTION_KEY != "YOUR_API_KEY"
-    assert config.AZURE_TTS_REGION
+    assert config.azure_tts_subscription_key and config.azure_tts_subscription_key != "YOUR_API_KEY"
+    assert config.azure_tts_region
 
-    azure_tts = AzureTTS(subscription_key=config.AZURE_TTS_SUBSCRIPTION_KEY, region=config.AZURE_TTS_REGION)
+    azure_tts = AzureTTS(subscription_key=config.azure_tts_subscription_key, region=config.azure_tts_region)
     text = """
         女儿看见父亲走了进来，问道：
             <mstts:express-as role="YoungAdultFemale" style="calm">
diff --git a/tests/metagpt/tools/test_iflytek_tts.py b/tests/metagpt/tools/test_iflytek_tts.py
index 8e4c0cf54..c51f62b8e 100644
--- a/tests/metagpt/tools/test_iflytek_tts.py
+++ b/tests/metagpt/tools/test_iflytek_tts.py
@@ -15,8 +15,8 @@ from metagpt.tools.iflytek_tts import IFlyTekTTS, oas3_iflytek_tts
 async def test_iflytek_tts(mocker):
     # mock
     config = Config.default()
-    config.AZURE_TTS_SUBSCRIPTION_KEY = None
-    config.AZURE_TTS_REGION = None
+    config.azure_tts_subscription_key = None
+    config.azure_tts_region = None
     mocker.patch.object(IFlyTekTTS, "synthesize_speech", return_value=None)
     mock_data = mocker.AsyncMock()
     mock_data.read.return_value = b"mock iflytek"
@@ -24,15 +24,15 @@ async def test_iflytek_tts(mocker):
     mock_reader.return_value.__aenter__.return_value = mock_data
 
     # Prerequisites
-    assert config.IFLYTEK_APP_ID
-    assert config.IFLYTEK_API_KEY
-    assert config.IFLYTEK_API_SECRET
+    assert config.iflytek_app_id
+    assert config.iflytek_api_key
+    assert config.iflytek_api_secret
 
     result = await oas3_iflytek_tts(
         text="你好，hello",
-        app_id=config.IFLYTEK_APP_ID,
-        api_key=config.IFLYTEK_API_KEY,
-        api_secret=config.IFLYTEK_API_SECRET,
+        app_id=config.iflytek_app_id,
+        api_key=config.iflytek_api_key,
+        api_secret=config.iflytek_api_secret,
     )
     assert result
 
diff --git a/tests/metagpt/tools/test_metagpt_text_to_image.py b/tests/metagpt/tools/test_metagpt_text_to_image.py
index 0dcad20d2..d3797a460 100644
--- a/tests/metagpt/tools/test_metagpt_text_to_image.py
+++ b/tests/metagpt/tools/test_metagpt_text_to_image.py
@@ -24,7 +24,7 @@ async def test_draw(mocker):
     mock_post.return_value.__aenter__.return_value = mock_response
 
     # Prerequisites
-    assert config.METAGPT_TEXT_TO_IMAGE_MODEL_URL
+    assert config.metagpt_tti_url
 
     binary_data = await oas3_metagpt_text_to_image("Panda emoji")
     assert binary_data